MCQs-Drugs Affecting Blood and Blood Formation part 3 I Pharmacology KD Tripathi mcqs part 43

>>>Part-1

>>>Part-2


43.1 Choose the most potent and most efficacious LDLcholesterol

lowering HMG-CoA reductase inhibitor:

A. Lovastatin

B. Simvastatin

C. Pravastatin

D. Atorvastatin


43.2 The following is true of simvastatin except:

A. It is more potent than lovastatin

B. At the highest recommended dose, it causes greater LDL-cholesterol lowering than

lovastatin

C. It does not undergo first pass metabolism in liver

D. It can raise HDL-cholesterol level when the same is low at base line


43.3 Select the most appropriate hypolipidemic drug for a patient with raised LDL-cholesterol level but normal triglyceride level:

A. A HMG-CoA reductase inhibitor

B. A fibric acid derivative

C. Gugulipid

D. Nicotinic acid


43.4 Select the drug which reduces cholesterol synthesis

in liver, increases expression of LDL receptors on

hepatocytes and has been found to reduce mortality

due to coronary artery disease:

A. Simvastatin

B. Nicotinic acid

C. Gemfibrozil

D. Colestipol


43.5 The rare but characteristic adverse effect of HMGCoA

reductase inhibitors is:

A. Onycolysis

B. Myopathy

C. Alopecia

D. Oculomucocutaneous syndrome


43.6 Features of atorvastatin include the following:

A. Dose to dose most potent HMG-CoA reductase inhibitor

B. Higher ceiling of LDL-cholesterol lowering

action than lovastatin

C. Antioxidant property

D. All of the above


43.7 Select the hypocholesterolemic drug which interferes

with intestinal absorption of bile salts and cholesterol,

and secondarily increases cholesterol turnover in the liver:

A. Gemfibrozil

B. Cholestyramine

C. Lovastatin

D. Bezafibrate


43.8 Gemfibrozil has the following features except:

A. It lowers plasma LDL cholesterol to a greater extent than triglycerides

B. It tends to raise plasma HDL-cholesterol level

C. It is a first line drug for type III, type IV and type V hyperlipoproteinemia

D. It reduces the incidence of myocardial infarction


43.9 Antiatherosclerotic effect of which class of hypolipidemic

drugs may involve additional mechanisms

like improved endothelial function, reduced LDL

oxidation and antiinflammatory property:

A. Bile acid sequestrant resins

B. Statins

C. Fibrates

D. Nicotinic acid


43.10 Select the hypolipidemic drug that enhances

lipoprotein synthesis, fatty acid oxidation and LDLreceptor

expression in liver through paroxisome

proliferator-activated receptor α:

A. Lovastatin

B. Atorvastatin

C. Bezafibrate

D. Nicotinic acid


43.11 A patient with coronary artery disease has raised

serum triglyceride level (500 mg/dl) but normal total

cholesterol level (150 mg/dl). Which hypolipidemic

drug should be prescribed:

A. Probucol

B. Gemfibrozil

C. Cholestyramine

D. Lovastatin


43.12 The following is true of bezafibrate except:

A. It activates lipoprotein lipase

B. It mainly lowers serum triglyceride level with

smaller effect on LDL cholesterol level

C. It increases the incidence of myopathy due to statins

D. It tends to lower plasma fibrinogen level


43.13 Choose the correct statement about lovastatin:

A. It markedly lowers plasma triglyceride with little effect on cholesterol level

B. It is used as an adjuvant to gemfibrozil for type III hyperlipoproteinemia

C. It is not effective in diabetes associated hypercholesterolemia

D. It is a competitive inhibitor of the rate limiting step in cholesterol synthesis


43.14 Which of the following hypolipidemic drugs is most

effective in raising HDL-cholesterol level and lowers

serum triglycerides:

A. Nicotinic acid

B. Fenofibrate

C. Cholestyramine

D. Pravastatin


43.`15 What is true of nicotinic acid as well as nicotinamide:

A. Both possess vitamin B3 activity

B. Both cause cutaneous vasodilatation

C. Both lower plasma triglyceride and VLDL levels

D. Both cause hyperglycaemia after prolonged medication


43.16 Pretreatment with the following drug can be employed

to reduce intolerable flushing, warmth and itching

caused by nicotinic acid when used for lowering

plasma lipids:

A. Chlorpheniramine

B. Atropine

C. Aspirin

D. Prednisolone


43.17 Which hypolipidemic drug has been used to control

and prevent pancreatitis in familial hypertriglyceridemia:

A. Lovastatin

B. Nicotinic acid

C. Cholestyramine

D. Clofibrate


43.18 Select the first line hypolipidemic drug/drugs for

treating hypertriglyceridemia in a subject with normal

cholesterol level:

A. Fibrates

B. HMG-CoA reductase inhibitors

C. Nicotinic acid

D. Both 'A' and 'C' are correct


43.19 Specific drug therapy to lower serum triglycerides

(TG) in a subject with normal LDL-cholesterol level is indicated:

A. In all subjects with serum TG> 150 mg/dl

B. In subjects with existing coronary artery disease and serum TG > 150 mg/dl

C. In subjects with HDL-cholesterol < 40 mg/dl and serum TG > 150 mg/dl

D. Both 'B' and 'C' are correct


43.20 In a 50-year-old male without any other coronary

artery disease risk factor, hypocholesterolemic drugs

are considered necessary when the serum LDLcholesterol

level is higher than:

A. 130 mg/dl

B. 160 mg/dl

C. 190 mg/dl

D. 240 mg/dl


43.21 High molecular weight, pharmacodynamically inert,

nonantigenic substances which form colloidal solution are used as:

A. Osmotic purgatives

B. Osmotic diuretics

C. Plasma expanders

D. All of the above


43.22 As a plasma expander, dextran has the following advantages except:

A. It exerts oncotic pressure similar to plasma proteins

B. It keeps plasma volume expanded for about 24 hours

C. It is nonpyrogenic

D. It does not interfere with grouping and cross matching of blood


43.23 Hydroxyethyl starch is a:

A. Plasma expander

B. Haemostatic

C. Heparin substitute

D. Bile acid sequestrant


43.24 Plasma expanders are used in the following conditions except:

A. Congestive heart failure

B. Extensive burns

C. Mutilating injuries

D. Endotoxin shock


Ans:

 43.1 D 43.2 C 43.3 A 43.4 A 43.5 B 43.6D 43.7 B 43.8 A 43.9 B 43.10 C 43.11 B 43.12 C 43.13D 43.14 A 43.15 A 43.16 C 43.17 B 43.18D 43.19D 43.20 C 43.21 C 43.22D 43.23 A 43.24 A


1 Comments

Post a Comment
Previous Post Next Post