Pharmacology mcq for anti cancer chemotherapy drugs. A too expensive b the problem is cholinergic in nature c dopamine does not cross the bloodbrain barrier d levodopa has a higher affinity for the d2 receptor. Most of the antiviral drugs currently available are used to treat infections caused by hiv, herpes viruses, hepatitis b and c viruses, and influenza a and b viruses. Microbiology mcqs pdf helps with theoretical, conceptual, and analytical study for selfassessment, career tests. Tolerance and drug resistance can be a consequence of. Antiviral agents must either block viral entry into or exit from the cell or be active inside the host cell.
Antiviral drugs are used for the treatment of viral infections, such as human immunodeficiency virus hiv, hepatitis, and influenza. The steadystate concentration of a drug can be double by. Structure of rnadependent rna polymerase from 2019. Antiviral agents are most active,when viruses are replicating. The difference between the amount of drug absorbed and the amount excreted b. Antiviral drugs and treatments chapter exam instructions. A drug is exposed more prominent liver metabolism d a drug can be administrated in a variety of doses. Antiviral medications antiviral drugs used to treat infections caused by viruses other than hiv antiretroviral drugs used to treat infections caused by hiv, the virus that causes aids herpessimplex viruses hsv1 oral herpes hsv2 genital herpes varicella zoster virus chickenpox shingles 111812 dr.
Answer the following questions and then press submit to get your score. Always identical with different formulations of the same drug e. Antiviral agents knowledge for medical students and. A are issued by a medicines regulatory agency b have to be updated every year c are intended for patients use d are the same for generic formulations as. The global antiviral drugs market size was valued at usd 56. Most antivirals target specific viruses, while a broadspectrum antiviral is effective against a wide range of viruses. Drug resistance is a term used to describe the loss of effectiveness of antimicrobial or antitumour drugs. Challenges to the development of effective antiviral agents myriad number of agents need knowledge of replication at molecular level to define targets viruses as intracellular parasites make targeting more difficult to avoid host toxicity.
The auc relating plasma concentration of drug to time after administration d. Antiviral drugs pdf aspects of clinical use and recent advances antiviral drugs pdf free download, antiviral drugs pdf, antiviral drugs ebook content the articles that appear in antiviral drugs aspects of clinical use and recent advances cover several topics that reflect the varied mechanisms of viral disease pathogenesis and treatment. You can only get them if you have a prescription from a health care provider. Topic wise pharmacology questions and answers pdf 2020. Identification of antiviral drug candidates against sars. Microbiology multiple choice questions and answers mcqs. Currently, antiviral therapy is available only for a limited number of infections. However, in the current work, we did not observe any antiviral activity of either favipiravir or atazanavir.
The virus then goes to the lions, where the genetic material gets inserted into a lion virus. What you should know about flu antiviral drugs cdc. These pharmacoloy questions were submitted by prof. Early antiviral treatment may only be required in patients, with a very aggressive fulminant hepatitis or who are immunocompromised for people with chronic hepatitis b, antiviral drug therapy used to slow down liver damage and prevent complications cirrhosis and liver cancer alpha interferon. Atripla fixed dose drug baloxavir marboxil xofluza combivir fixed dose drug fixed dose combination antiretroviral fusion inhibitor. This quiz and corresponding worksheet will test you on your understanding of. Question 1 which of the following drugs inhibit herpes viruses. Amantidine blocks viral dna packaging and assembly d. Choose your answers to the questions and click next to see the next set of questions. Page 1 of 10 bds second professional examination 2007. In summary, we selected and screened 50 fdaapproved drugs based on our sarscov screening and our screening campaign revealed 24 potential antiviral drug candidates against sarscov2. Every usmle lecture goes with mcqs, cases and pdf lecture notes. The proportion of the drug in a formulation that is found in the systemic circulation c. Ribavirin and acyclovir are both antiviral drugs typically prescribed by physicians to treat the herpes virus.
Once infected, could biomedical approaches to boosting innate immune responses an alternative to antibiotics and antiviral drugs, a similar strategy to some cancer gene therapy approaches that. Antiviral drugs are a class of medication used for treating viral infections. Reverse genetics systems advances in the study of highly pathogenic coronaviruses and potential pancoronavirus drug candidates partially depend on the technology to genetically manipulate covs to probe mechanisms of viral pathogenesis and antiviral drug activity. All of the following antiviral drugs are the analogs of nucleosides, except. Test your knowledge on antiviral drugs by taking this quiz. Pharmacology multiple choice question bank primary exam for fanzca july 2001 update mcqpharmjul2001v3. Bds second professional examination 2007 pharmacology and dental materia medica mcqs model paper total no. In this video we are providing 15 mcqs related to antiviral drugs pharmacology, which is very important for the gpat, niper, drug. Antiviral drugs are prescription medicines pills, liquid, an inhaled powder, or an intravenous solution that fight against flu viruses in your body.
Show all questions antifungal polyene macrolide that preferentially binds to fungal ergosterol which alters cellular permeability. Antiviral drugs are a relatively newer group of drugs that are used in the treatment of viral infections. Each of the questions or incomplete statements is followed by five suggested answers. Pharmacology mcq for neet pg gpat pharmacist nursing.
Unlike most antibiotics, antiviral drugs do not destroy their target pathogen. Antiviral agents generally are designed to block viral replication or disable viral proteins. Pharmacology questions and answers pdf free download for medical mbbs students objective mcqs interview lab viva multiple choice questions pharmacology faqs. Examples of antiviral drugs include agents to combat herpes viruses, influenza viruses, and hiv. The earlier that treatment is given, better the result. Antimicrobial, antiviral and antifungal pharmacology mcq. Test your knowledge of these most important medicines with our hiv drugs quiz ten questions that offer a fundamental insight into the classes of hiv drug available, how they work, and the unwanted effects theyre associated with. Antiviral product development conducting and submitting virology studies to the agency this guidance represents the food and drug administrations fdas current thinking on this topic. Up to 10 ama pra category 1 credits not designated for selfassessment may still be earned by completing only the multiple choice questions and issue evaluation. Antiviral drugs can make illness milder and shorten the time you are sick.
Only amoxicillin can be given with food to prevent the drug binding with the food and not being absorbed or gastric acid neutralizing the drug there is a 510% chance of second reaction. Hypernatraemia can occur if penicillin is given in very high doses and patients have renal or cardiovascular diseases. These drugs act by arresting the viral replication cycle at various stages. Shah murad, head of the department, pharmacology and therapeutics, at lahore medical and dental college. Roizman b campadellifiume g longnecker r herpesviruses chapter 24 in acheson nh, fundamentals of molecular virology, 2nd edition p. Antiviral drugs are different from antibiotics, which fight against. Flu antivirals are prescription medicines pills, liquid, intravenous solution, or an inhaled powder and are not available overthecounter. Antifungal drugs are some of the most widely prescribed drugs not least because fungal diseases afflict up to 1 billion people as of 2010. Antiviral drug, any agent used in the treatment of an infectious disease caused by a virus. Participants have up to 3 years from the date of publication to earn cme credits. Distribution of drugs to specific tissues a is independent of blood flow to the organ b is independent of the solubility of the drug in that tissue c depends on the unbound drug concentration gradient between blood and tissue d is increased for drugs that are strongly bound to plasma proteins e has no effect on the halflife of the. In vitro systems for pancoronavirus drug discovery 2. Which of the following drugs has a max dose of 120mgkgd and a black box warning for seizures from mineralelectrolyte imbalance and toxicity in renal impaired patients.
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