MCQs-Drugs Acting on Central Nervous System part 2 I Pharmacology KD Tripathi mcqs part 26

 26.1 The following is true about actions of ethylalcohol:

A. It exerts anticonvulsant action followed by lowering of seizure threshold

B. It lowers pain threshold

C. It increases confidence and reduces number of errors

D. It increases heat production and helps to keep warm in cold weather

26.2 Effect of alcohol on sleep has the following feature:

A. It is a dependable hypnotic but is not prescribed because of abuse potential

B. It consistently improves the quality of sleep

C. It can disorganise sleep architecture

D. It suppresses sleep apnoea 

26.3 Patients treated with the following drug should be

cautioned not to consume alcoholic beverages:

A. Mebendazole

B. Metronidazole

C. Methimazole

D. Metamizol

26.4 Regular low-to-moderate alcohol consumption is associated with:

A. Lower incidence of coronary artery disease

B. Myocardial depression

C. Physical dependence

D. Wernicke's encephalopathy

26.5 Moderate amounts of alcohol produce the following effects except:

A. Flushing

B. Tachycardia

C. Diuresis

D. Rise in body temperature

26.6 Consumption of alcoholic beverages in moderate

amounts can be allowed for the following category of

subjects:

A. Epileptics

B. Patients with history of myocardial infarction

C. Gastroesophageal reflux patients

D. Pregnant women

26.7 Safe limit of daily alcohol consumption is:

A. Same for men and women

B. Relatively lower for women than for men

C. Relatively higher for women than for men

D. Less than half for women than for men

26.8 What is considered to be the safe limit of daily alcohol

consumption by an adult man in the absence of

contraindications and interacting drugs:

A. 20-40 ml of whisky

B. 50-100 ml of whisky

C. 120-180 ml of whisky

D. 200-300 ml of whisky 

26.9 Which of the following motivating factors is the least

important for the alcohol drinking habit:

A. Physical dependence on alcohol

B. Pleasurable feelings induced by alcohol

C. Attitude to relate drinking with enjoyment

D. Social belief that alcohol intoxicated subject

is unmindful of his actions 

26.10 Select the drug that has been found to reduce alcohol

craving and chances of resumed heavy drinking by

alcoholics after they have undergone a detoxification

programme:

A. Chlordiazepoxide

B. Chlorpromazine

C. Methadone

D. Naltrexone

26.11 Disulfiram is used for the treatment of:

A. Acute alcoholic intoxication

B. Both physically and psychologically dependent alcoholics

C. Alcoholics psychologically but not physically dependent on alcohol

D. Both ‘A’ and ‘B’ are correct  

26.12 Ethanol is used in methanol poisoning because it:

A. Antagonises the actions of methanol

B. Stimulates the metabolism of methanol and reduces its blood level

C. Inhibits the metabolism of methanol and generation of toxic metabolite

D. Replenishes the folate stores depleted by methanol 

26.13 Which of the following is a specific inhibitor of the

enzyme alcohol dehydrogenase and is useful in the

treatment of methanol poisoning:

A. Disulfiram

B. Ethylene glycol

C. Calcium leucovorin

D. Fomepizole 

Ans:

26.1 A 26.2 C 26.3 B 26.4 A 26.5D 26.6 B 26.7 B 26.8 B 26.9 A 26.10D 26.11 C 26.12 C 26.13D