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Between 4 and 12 Gy antibiotics qt prolongation tinidazole 300mg fast delivery, the percentage of unstable clones remained the same at 10­20%. A study conducted with a human Hela hybrid cell system (Redpath and others 2001) reported a frequency of 4 Ч 10­8 transformants per viable cell per milligray beyond a threshold of ~0. Note that these results for transformation are quite variable and that the frequencies are ten- to a thousandfold lower than the frequencies for radiation-induced genomic instability. However, as discussed earlier under adaptive response, studies of malignant transformation in immortalized (already-transformed) cell lines may have little relevance to malignant transformation of normal nonimmortalized cells, especially in vivo where complex interactive processes can occur. In summary, results of experiments that quantified chromosomal aberrations, malignant transformations, or mutations induced by relatively low total doses or low doses per fraction suggest that the dose-response relationship over a range of 20­200 mGy is generally linear and not affected significantly by either an adaptive or a bystander effect (Table 2-1). No data are available in this dose range for radiation-induced genomic instability. The question of the shape of the dose-response relationship up to about 20 mGy remains, although several of the dose-response relationships described above appear to be consistent with extrapolation linearly down to about 5 mGy. As has been pointed out (Cornforth and Bedford 1983), a macroscopic X-ray dose of about 5 mGy would, on the average, result in one to two electron tracks crossing the nucleus of each cell. Since the tracks are produced randomly, the proportion of nuclei traversed by zero, one, or two electron tracks would be about 0. For lower doses, a larger and larger proportion of cell nuclei would receive no dose (track) at all. The nuclei that would receive a track would all receive (on the average) the same dose because the proportion receiving two or more tracks would diminish rapidly. Therefore, unless interactions among neighboring or surrounding cells influence the response, if 5 mGy produces an effect and if the effect is linear above 5 mGy, the doseresponse curve must also be linear from 0 to 5 mGy. For example, the calculated doses for an average of one electron track per nucleus are as follows: about 5 mGy for 60 keV and a 6-µm diameter sphere, about 4 mGy for 60 keV and a 7-µm sphere, about 3 mGy for 300 keV and a 6-µm sphere, and about 2 mGy for 300 keV and a 7-µm sphere. For the very low doses for which important signal transduction events may result from ionizations in either the nucleus or the cytoplasm, the volume of the whole cell might be most appropriate for these types of calculations. Possibly, the shape of the dose-response relationship up to 5 mGy might be determined with in vitro and in vivo experiments in which multiple doses of about 1­5 mGy are delivered over a long period. However, the question must be addressed rigorously by defining the molecular processes responsible for the end points in question at these very low doses. Considering the levels of background radiation, the maximal permissible levels of exposure of radiation workers now in effect, and the fact that much of the epidemiology of lowdose exposures includes people who in the past have received up to 500 mGy, the committee has focused on evaluating radiation effects in the low dose range of <100 mGy, with emphasis on the lowest doses when relevant data are available. Considerable emphasis has been placed on the dose-response and mechanisms for inducing chromosomal aberrations and gene mutations because, as discussed in Chapter 3, there is evidence that the induction of cancer is associated with these cellular responses. The ability to demonstrate this phenomenon, however, is variable, and no mechanisms have been clearly identified to explain such effects. These factors together with quantitative data on the induction of gene or chromosomal mutations in somatic cells are discussed. Radiation genomic instability has been demonstrated by the manifestation of chromosomal damage in a certain fraction of irradiated cells over many cell cycles after they were irradiated. Data are critically needed for the definition of molecular targets and processes responsible for genomic instability in order to define and understand the dose-response relationship, and especially why the induction frequency saturates with only about 10­30% of the surviving cells manifesting genomic instability. A possibility that has not been investigated is that only a certain fraction of the cells, such as those in a certain part of the cell cycle, are susceptible to radiation-induced genomic instability. Because chromosomal instability has been associated with breakagefusion-bridge cycles, the role of telomeres may be particularly relevant. Furthermore, from limited data, the similarity in the frequencies of genomic instability induced in X-irradiated cells and the frequencies of chromosomal aberrations induced directly by irradiation may suggest that the induction of chromosomal aberrations is a primary event that plays a major role in radiation-induced genomic instability. However, until the molecular mechanisms responsible for genomic instability and its relationship to carcinogenesis are understood, extrapolation of the limited dose-response data for genomic instability to radiation-induced cancers in the low-dose range <100 mGy is not warranted. An apparent adaptive response has been well documented for cell lethality, chromosomal aberrations, mutations, and in vitro transformation. The phenomena are illustrated by a reduction in response to a challenge dose of about 1 Gy delivered a few hours after a low priming dose of about 10­ 20 mGy. There is much variability in the ability to demonstrate the adaptive response, however. Data are needed, particularly at the molecular level, on adaptation induced when both priming and challenging doses are in the low- dose range <100 mGy; relevant end points should include not only chromosomal aberrations and mutations but also genomic instability and, if possible, tumor induction. Studies of the adaptive response for malignant transformation in immortalized (already-transformed) cell lines may have little relevance to malignant transformation of normal nonimmortalized cells, especially in vivo, where complex interactive processes can occur.

Inverse dose-rate effect for the induction of 6-thioguanine-resistant mutants in Chinese hamster V79-S cells by 60Co gamma rays natural oral antibiotics for acne discount tinidazole 300 mg line. Relationship of leukemia risk to radiation dose following cancer of the uterine corpus. Congenital anomalies: estimates of detriment in terms of years of life lost and years of impaired life. Some selected common multifactorial diseases: estimates of detriment in terms of years lost and impaired life. A cohort study with regard to the risk of haematological malignancies in patients treated with x-rays for benign lesions in the locomotor system. Mortality from cardiovascular disease more than 10 years after radiotherapy for breast cancer: nationwide cohort study of 90,000 Swedish women. Thyroid neoplasia, autoimmune thyroiditis, and hypothyroidism in persons exposed to I-131 from the Hanford Nuclear Site. Risk of thyroid cancer in the Bryansk Oblast of the Russian Federation after the Chernobyl Power Station accident. Recombination involving interstitial telomere repeat-like sequences promotes chromosomal instability in Chinese hamster cells. Role of radiotherapy and chemotherapy in the risk of second malignant neoplasms after cancer in childhood. Second malignant neoplasms after a first cancer in childhood: temporal pattern of risk according to type of treatment. Cancer mortality among atomic bomb survivors exposed in utero or as young children, October 1950-May 1992. The concept of mutation component and its use in risk estimation for multifactorial diseases. Radiation-induced release of transforming growth factor alpha activates the epidermal growth factor receptor and mitogen-activated protein kinase pathway in carcinoma cells, leading to increased proliferation and protection from radiation-induced cell death. Comparisons of tritiated thymidine, tritiated water, and cobalt-60 gamma rays in inducing chromosomal aberrations. Comparison of lethality and chromosomal damage induced by x-rays in synchronized Chinese hamster cells in vitro. The sex ratio of children in relation to paternal preconceptional radiation dose: a study in Cumbria, Northern England. Biological effectiveness of neutrons from Hiroshima bomb replica: results of a collaborative cytogenetic study. Malignant and benign neoplasms of the thyroid in patients treated for hyperthyroidism: a report of the cooperative thyrotoxicosis therapy follow-up study. Modification of cancer risks in offspring by sibling and parental cancers from 2,112,616 nuclear families. Cancer mortality and morbidity among workers at the Sellafield plant of British Nuclear Fuels. Fetal death and congenital malformation in babies born to nuclear industry employees: report from the nuclear industry family study. Biological basis of germline mutation: comparisons of spontaneous germline mutation rates among drosophila, mouse, and human. Further evidence for elevated human minisatellite mutation rate in Belarus eight years after the Chernobyl accident. Stage specificity, dose response, and doubling dose for mouse minisatellite germ-line mutation induced by acute radiation. Induction of minisatellite mutations in the mouse germline by low-dose chronic exposure to gamma-radiation and fission neutrons. Telomere dynamics, end-to-end fusions and telomerase activation during the human fibroblast immortalization process. Human papillomavirus type 16 E7 oncoprotein-induced abnormal centrosome synthesis is an early event in the evolving malignant phenotype.

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The resident will consult other physicians when the patient requires a different level of knowledge antibiotics for sinus infection safe for breastfeeding order tinidazole 300 mg fast delivery. The resident will understand that surgical practice is not isolated and that it is part of a large system of health care. Additionally many surgeons have operating rooms in their office which raises important patient safety issues. In order to learn the important working relationship between outpatient plastic surgery and outpatient anesthesia; a rotation in the anesthesia department was established. Residents should be able to administer conscious sedation, intubate patients, induce anesthesia and recover patients in the outpatient surgery unit. Rotation Goals: the anesthesia rotation will provide an educational experience to plastic surgery residents which will provide increased safety for patients undergoing plastic surgery procedures Rotation Objectives: Residents will learn: G. Types of inhalant anesthetics and intravenous anesthetics and how they are used. Residents will be exposed to the classification of anesthetic risks and how these risks apply to the selection of patients to be done in the outpatient setting. Residents will know the most commonly used inhalant and intravenous agents, their indications and risks of use. Residents will become familiar with the anesthesia and monitoring equipment used in the operating room. Communication between the anesthesiology staff and the patients are important to avoid patient safety issues. Patients must be counseled about the safety of continuing home medications before and after anesthesia. The importance of communication between the anesthesia staff and the physician is very important. What position is best and will avoid problems with airway management and nerve injury? Importance of communication during procedures between the anesthesia staff and the surgeon so that the surgeon is aware of problems arising during the procedure. Residents will become aware of the issues of anesthesia consents and how to best alert patients to the risks of anesthesia while maintaining patient confidence. The importance of avoiding complications from the anesthesia which will require hospital admission. Necessity of good working understanding between surgeon and anesthesia staff about the appropriateness of selecting outpatient setting for complicated patients or procedures. We also hope that the experience will inspire the residents to continue activities in maxillofacial surgery following graduation. During this rotation the residents will gain experience in the treatment of mandibular and maxillary fractures. At the end of the rotation they should be well prepared to start training in complex craniomaxillofacial surgery. Residents will learn to evaluate and diagnose fractures of the maxilla and mandible. Residents will use radiographs, including cat scans and Panorex to document the fractures Airway issues and neurosurgical issues involving maxillofacial fractures will be learned Occlusion and malocclusion will be studied in detail Residents will learn procedures involved in oral surgery a. Residents will be exposed to orthognathic procedures and the diagnosis of occlusion, including cephalometrics and modeling. Residents will learn the basic principles in evaluation and management of tempromandibular joint disorders B. Residents will learn the anatomy of the maxillofacial area Residents will learn the principles of occlusion and malocclusion Residents will be familiar with the principles of rigid and semi rigid fixation of maxillofacial fractures the function of the tempromandibular joint and the muscles of mastication will be learned. Residents will learn the classification of maxillofacial injuries and be familiar with the surgical repair of each. Interpersonal and Communication Skills In order to be able to communicate in a helpful manner, residents are expected to become familiar with terms that oral surgeons use to communicate. Residents will work in the oral surgery clinics and will show interest and eagerness to participate in care in the clinics. Professionalism Residents will act professionally at all times while on the service and approach the oral surgery residents and faculty with respect and due consideration for their skills 2.

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The nurse checked her blood pressure upon arrival and was shocked at how high it was virus 2014 order tinidazole with mastercard, 150/90. Upon physical exam, you reconfirm the hypertension in both arms and feel a weak femoral pulse just below her inguinal ligament. A patent ductus arteriosus Tetralogy of Fallot Transposition of the great arteries Grooving of the inferior surface of the ribs An enlarged right heart border Thorax 471 355. In angina pectoris, the pain that is often referred down the left arm, is mediated by increased activity in the c-fibers in which of the following nerves? Carotid branch of the glossopharyngeal nerves Greater splanchnic nerves Phrenic nerves Cardiac plexus Vagus nerve and recurrent laryngeal nerves 356. The sonographer, who immediately performs the echo study, is convinced that the baby girl has transposition of her great vessels. Which of the following is the most likely additional heart defect that is present in the newborn girl? Overriding aorta Ventricular septal defect Ligamentum arteriosum Coarctation of the aorta Aortic aneurysm 357. To improve the blood flow to the interventricular septum, a coronary bypass procedure is elected. During surgery the anterior interventricular artery is located and prepared to receive a graft. The vessel lying adjacent to the anterior interventricular artery is which of the following? Anterior cardiac vein Coronary sinus Great cardiac vein Middle cardiac vein Small cardiac vein 472 Anatomy, Histology, and Cell Biology 358. When choosing vessels for bypass surgery for occluded coronary arteries, sections of the internal thoracic artery have been preferred in recent years over lower leg veins, since they seem to last longer. In coronary bypass surgery, the transplanted blood vessel is placed in which of the following positions? The proximal end is attached to the ascending aorta and the distal end is attached distal to the occluded corinary artery d. The distal end of the artery is anastomosed to the great cardiac vein and the proximal end is attached distal to the occluded corinary artery 359. The first (S1, or "lub") heart sound and the second (S2, or "dup") heart sound originate, respectively, from which of the following? Closure of the atrioventricular valves followed by closure of the semilunar valves d. Closure of the atrioventricular valves followed by opening of the semilunar valves. Opening of the atrioventricular valves followed by closure of the atrioventricular valves 360. Structure(s) that normally transit the diaphragm by way of the esophageal hiatus include which of the following? Azygos vein Hemiazygos vein Azygos and hemiazygos veins Anterior and posterior vagal trunk Thoracic duct Thorax 473 361. When you listen to her chest there is an extra sound or murmur, especially during systole. There is no enlargement of the aortic knob, but the left inferior border of the heart margin also appears slightly enlarged. You schedule the girl for an echocardiogram because you suspect which of the following? Tetralogy of Fallot coarctation of the aorta transposition of the great vessels aortic stenosis ventricular septal defect 362. When removing blood from the left pleural space, a chest tube is placed into the pleural space typically below the normal extent of the lung. The chest tubes are most conveniently placed at the midaxillary line through intercostal muscles midway between the ribs to avoid damaging subcostal nerve arteries and veins and their collateral branches. Left subclavian artery Pulmonary trunk (bifurcated) Left atrium Right atrium Thorax 475 364.

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The genetic code is universal to all organisms xeno antibiotics tinidazole 1000mg without a prescription, with the exception of the mitochondrial protein production system in which four codons are differently interpreted. This alters the number of codons for four amino acids and creates an additional stop codon in the mitochondrial coding system. The proteins produced in the mitochondria combine with proteins produced by nuclear genes to form the functional proteins of the mitochondrial complexes. The primary polypeptide chains produced by the translation process undergo a variety of modifications that include chemical modification, such as phosphorylation or hydroxylation, addition of chemical groups such as carbohydrates or lipids, and internal cleavage to generate smaller mature products or to remove signal sequences in proteins once they have been secreted or transported across intracellular membranes. Many polypeptides subsequently combine with others to form the subunits of functionally active multiple protein complexes. Some genes contain an emormous number of exons, for example, there are 118 exons in the collagen 7A1 gene. Generally the variation between small and large genes is due to the number and size of the introns. This, together with alternative splicing, enables the production of several different isoforms of a protein from a single gene. A single cell does not express all of its genes, and active genes are packaged into a more accessible chromatin configuration which allows them to be transcribed. Some genes are expressed at low levels in all cells and are called housekeeping genes. Others are tissue specific and are expressed only in certain tissues or cell types. Some chromosomes carry more genes than others, although this is not directly related to their size. Chromosomes 19 and 22, for example, are gene rich, whilst chromosomes 4 and 18 are gene poor. These genes are often clustered, as with the globin gene clusters on chromosomes 11 and 16. The repeat motif may consist of several thousand base pairs in megasatellites, 20­30 base pairs in minisatellites and simple 2 or 3 base pair repeats in microsatellties. In these tandem repeats the number of times that the core sequence is repeated varies among different people, giving rise to hypervariable regions. This approach revolutionised the predictive tests available for mendelian disorders such as Duchenne muscular dystrophy and cystic fibrosis before the genes were isolated and the disease causing mutations identified. Chromatin fibre Double helix Nucleosomes Metaphase chromosome Loops of chromatin Figure 15. At the first meeting the total number of autosomal genes whose chromosomal location had been identified was 64. The corresponding number of mapped genes had risen to 928 by the ninth meeting in 1987 as molecular techniques replaced those of traditional somatic cell genetics. The total number of mapped X linked loci also rose, from 155 in 1973 to 308 in 1987. The number of mapped genes has continued to increase rapidly since then, reflecting the development of new molecular biological techniques and the institution of the Human Genome Project. The database has evolved in the face of an explosion of information on human genetics into a freely available online resource, which is being continually updated and revised. The human genome project consortium used a hierarchical shotgun approach in which overlapping bacterial clones were sequenced using mapping data from publicly available maps. The first draft of the human sequence covering 90% of the gene-rich regions of the human genome was published in a historic article in Nature in February 2001 (Volume 409, No 6822). As a result of this monumental work, the overall size of the human genome has been determined to be 3. The consortium has estimated that there are approximately 32 000 human genes (far fewer than expected) of which 15 000 are known and 17 000 are predictions based on new sequence data. The Human Genome Sequencing Project has been complicated by the involvement of commercial organisations. Celera Genomics started sequencing in 1998 using a whole genome shotgun cloning method and published its own draft 82 Established 8486 genes or phenotype loci Phenotypic 769 descriptions Other loci or 2342 phenotypes Total 11 597 62 166 685 0 3 37 23 0 60 Table 16. Access to its information is restricted and Celera expect gene patent rights arising from use of its data. Despite the huge milestone achieved by these human genome sequencing projects, the data generated represent only the first step in understanding the way genes work and interact with each other.

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About the Security Industries Authority Staff

The Security Industies Authority is headed by a Registrar as the CEO and has thirteen (13) other staff members from all four (4) regions of the country working under him. These includes the Manager Finance and Administration, Manager Licensing and Compliance and four (4) Regional inspectors(MOMASE, Islands, Highland and Southern).

The Inspectors job are very challenging because they are at the front line of enforcement to ensure that private security companies are compliant with the provisions of the Security Protection Act to operate a security company. Most of them are former officers of the Royal PNG Constabulary. Apart from them we also have a efficient staff made up of the Executive Secretary, Accounts Officer, HR Officer , I.T Officer & an Office Janitor in Head Office Port Moresby while Admin Assistance/ Driver and an Office Admin/ Reception in Lae Momase & Highlands Region branch office.

Staff Profiles


Mr. Paul Kingston Isari

Registrar & CEO of PNG Security Industries Authority


Mr. Philip Gene, BAC, CPA PNG

Manager Finance & Administration


Mr. Spencer Gelo

Manager Licencing & Compliance

POM Office Staff

Front left – right Ms Margaret Biskum- Security Inspector New Guinea Islands, Ms Alicia Nana – Executive Secretary & Mrs Mackey Kembi Office Janitor

Back left – right Mr. Rinson Ngale – Security Inspector NCD/Southern Region, Mr. Emmanuel Tumbe HR Officer, Mr. Elijah Fave – Accounts Officer, Mr. Andrew Kaiap – I.T Officer


Lae Office Staff

Front left – right Ms Nelison Roberts – Office Secretary / Reception , Mr. Elvis Otare – Office Admin Assistance / Driver & Acting Momase Region Inspector

Back left – right Vacant – Office Manager & Security Inspector Momase Region, Mr. Pius Moi – Acting Office Manager Security Inspector Highlands Region

Security Industries Authority organizational chart


Vacancies for Council Representatives from the Security
Industry to sit in the Council

The Security Industries Authority currently does not have any vacant Council Representative position. There in total six (6) nominated representative from Security Industries in the council.(see SIA Council)

Qualified candidates will be made known here if there is a vacant in Council Representative positions.

Security Industries Authority Position Vacancies

SIA Currently has no vacancy positions available. Public will be notified for any positions available in the future.

Criteria for appointment to the Security Industries Council

  1. The candidates must have a sound knowledge in the operations of private security companies and are quite versed with the Security Protection Act 2004.
  2. The candidates shall not be currently employed in any licensed security companies that are currently registered with the Security Industries Authority or were not previously employed by any licensed security companies.
  3. The candidates shall not be a current owner or a shareholder of a licensed security company currently registered with the Security Industries Authority and the IPA (Investment promotion Authority).
  4. The candidates shall not be a previous owner or a shareholder of a licensed security company registered with the Security Industries Authority or with the IPA. (Investment promotion Authority).
  5. Interested persons may submit their application with a CV with three (3) references named and attached with their latest passport size photos.
  6. Both male and females are encouraged to participate.
  7. Only registered security companies and permitted security guards will participate in the nominations.
  8. All candidates shall be subjected to a fit and proper persons test before they are formally appointed for 3 years term by the Minister for Police & Internal Security.

For enquiries on this matter

Visit us at the Top floor of the Former Fraud Squad blue building, Gorobe Street, Badili, 2 Mile, Port Moresby NCD or Lae at Post Office Building, second street, top floor, suite # 14, Lae Morobe Province or write to the Chairman Security Industries Council PO BOX 80 Port Moresby National capital District. You can also contact Manager Licensing & Compliance – Mr. Spencer Gelo on telephone 3239851 / 3257930, or email executivesecretary@sia.gov.pg

Invitation to the Stake Holders and the Industry to make a submission on the amendments to current security Protection Act

The Registrar now invites all the registered security companies, service receivers and interested stake holders for their written submission to amend the current Security Protection Act to cover many grey areas of the law.

The submissions should clearly state what provisions of the current Security Protection Act 2004 and the Security Protection regulation 2012 are to be amended to enhance the growth of the industry. This is necessary in light of numerous complaints from the security companies and interested stake holders of the short falls in the current Act which is said to be hindering the growth of the industry.

All submissions must be dropped at The Authority Head Office: Former Fraud Squad Office, Top Floor, Gorobe Street, 2 Mile Drive, Badili,Boroko NCD in Port Moresby. They can also be posted or emailed using the address on the last page. Copies of the current Security Protection Act 2004 can be obtained at the Security Industries Authority office for K35 to use as a guide to prepare the submissions.

Appointment to the Board of Complaints

The Security Industries Authority in compliance with section 57 of the Security Protection Act 2004 has already advertised in the media in early February 2013 seeking for two (2) interested persons to sit on the Board of Complaints.

The purposes of the Board of Complaints is to hear allegations made against licensed security companies by the general public and to award appropriate disciplinary penalties to protect the integrity of the security industry. Several applications have already been received and the short listed candidates will be advised in writing by the chairman shortly before a final selection is made for their three (3) yeas appointments by the Minister for Police and Internal Security.