A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. Respiratory and cardiac analeptics are all of the following agents EXCEPT:
A. Cordiamine
B. Bemegride
C. Caffeine
D. Camphor
2. Currently used dopamine agonists decreasing pituitary prolactin secretion are following:
A. Bromocriptine
B. Cabergoline
C. Pergolide
D. All of these
3. Which of the following statements is correct?
A. MAO-A metabolizes dopamine; MAO-B metabolizes serotonin
B. MAO-A metabolizes norepinephrine and dopamine; MAO-B metabolizes serotonin
C. MAO-A metabolizes norepinephrine and serotonin; MAO-B metabolizes dopamine
D. MAO-A metabolizes dopamine; MAO-B metabolizes norepinephrine and serotonin
4. Correct statements about magnesium include all of the following, EXCEPT:
A. Magnesium is mainly an intracellular cation, and is the fourth most abundant cation in the body
B. The recommended dietary amounts of magnesium have been set at 6 mg/kg day (350-400 mg)
C. The most common specific causes encountered in clinical practice are: diet, alcoholism (drinking), diarrhea and malabsorption, diabetes mellitus, diuretics, and drugs such as aminoglycosides and amphotericin
D. It is a physiological calcium agonist
5. Which of the following is recycled via VMAT into vesicles after response termination?
A. NE
B. L-DOPA
C. NET
D. EPI
6. Most common congenital anomaly associated with lithium
A. Cardiac Malformations
B. Neural tube defects
C. Renal anomaly
D. Fetal Hydantoi syndrome
7. Tick the drug used as an oral anticoagulant:
A. Heparin
B. Daltreparin
C. Dicumarol
D. Enoxaparin
8. All of the following drugs used for iron deficiency anemia EXCEPT:
A. Ferrous sulfate
B. Folic acid
C. Ferrous gluconate
D. Ferrous fumarate
9. ?2-agonists are only approved for hypertension and work by decreasing sympathetic tone and increasing vagal tone. Which of the following is NOT a ?2-agonist?
A. Methyldopa
B. Guanabenz
C. Guanfacine
D. Epinephrine
10. Thiazolidinediones act by:
A. Diminishing insulin resistance by increasing glucose uptake and metabolism in muscle and adipose tissues
B. Reducing the absorption of carbohydrate from the gut
C. Stimulating the beta islet cells of pancreas to produce insulin
D. All of these
11. Indicate the sympathomimetic, which may be useful in the emergency management of cardiac arrest:
A. Methoxamine
B. Phenylephrine
C. Epinephrine
D. Xylometazoline
12. All of the following statements concerning the use of angiotensin-converting enzyme (ACE) inhibitors in the treatment of heart failure are true EXCEPT:
A. They improve hemodynamics by decreasing afterload
B. They can increase plasma cholesterol levels
C. They may slow the progression of heart failure by preventing myocardial and vascular remodeling
D. They are effective first-line agents in the treatment of chronic heart failure
13. Methemoglobinemia is possible adverse effect of:
A. Aspirin
B. Paracetamol
C. Analgin
D. Ketorolac
14. Which of the following hormones is produced by the anterior lobe of the pituitary?
A. Thyrotropin-releasing hormone (TRH)
B. Corticotropin-releasing hormone (CRH)
C. Growth hormone (somatotropin, GH)
D. Growth hormone-releasing hormone (GHRH)
15. Tachyphylaxis refers to which of the following?
A. Responsiveness increased rapidly after administration of a drug
B. Responsiveness decreased rapidly after administration of a drug
C. Responsiveness increased rapidly after maintenance of a drug (hypersensitive)
D. Responsiveness decreased rapidly after maintenance of a drug (desensitized)
16. Indicate cholinesterase activator:
A. Pralidoxime
B. Edrophonium
C. Pilocarpine
D. Isoflurophate
17. Combination of sulfonamides with trimethoprim:
A. Decreases the unwanted effects of sulfonamides
B. Increases the antimicrobial activity
C. Decreases the antimicrobial activity
D. Increases the elimination of sulfonamides
18. Which of the following is NOT a second messenger associated with G proteins?
A. DAG
B. GDP
C. IP3
D. cAMP
19. The effect of the drug on parasympathetic function declines rapidly in all organs EXCEPT:
A. Eye
B. Heart
C. Smooth muscle organs
D. Glands
20. Sources of human insulin production are:
A. Recombinant DNA techniques by inserting the proinsulin gene into E. coli or yeast
B. Postmortem insulin extraction from human autopsy pancreas
C. All of these
D. None of these
Dr K Chaudhry 5 Alpha Inmternational City, Fatehabad 125050 M: 9810570740, 9810571993facebook.com/doctorkc