pharmacology Mcqs
252. Which of the following is not true about ACE inhibitors ?
comments icon0
A. Postural hypotension is seen

B. Used in asthma

C. Na level decrease

D. Increase quality of life

253. Relative contraindications for the administration of Ketamine hydrochioride include all of the following EXCEPT ?
comments icon0

A. Age < 5 years

B. History of epilepsy

C. Recent anterior myocardial infarction

D. Raised intracranial tension

254. Which factor of the following contributes to short duration of anesthetic action of single dose thiopental_____________?
comments icon0

A. Rapid biotransformation

B. Ability to enter and leave brain tissue every rapidly

C. Rapid accumulation in body fat

D. High lipid solubility
255. The principle central action of caffeine is on the________________?
comments icon0

A. Spinal cord

B. Hypothalamus

C. Corpus callosum

D. Cerebral cortex
256. Which of the following is not true for histamine ?
comments icon0

A. Causes pain when injected subcutaneously

B. Causes arteriolar dialation

C. Is released following injury and in certain allergic responses

D. causes bronchodialtion
258. Which of the following sympathominetic agents is the most bronchodilator_____________?
comments icon0

A. Amphetamine

B. Isoproterenol

C. Phenylephrine

D. Nor epinephrine

260. All of the following are vasodilators except______________?
comments icon0

A. Procaine

B. Cyclopropane

C. Etomidate

D. Cocaine
261. Drugs like barbiturates precipitate symptoms of prophyria because______________?
comments icon0

A. They inhibit ALA synthase

B. They depress ALA synthase

C. They induce heme oxygenase

D. They inhibit heme oxygenase

264. About articaine, all are true except_____________?
comments icon0

A. More breaks down causes more toxicity

B. Mandibular infiltration is more effective than nerve block in mandibular molar teeth

C. Is amide which is metabolized in liver

D. Plasma half-life is 90 min
267. Drug which causes gingival hyperplasia_____________?
comments icon0

A. Nifedipine

B. Erythromycin

C. Cyclosporin

D. Aspirin

E. Both A & C
268. Which one of the anti hypertensives is contraindicated in pregnancy ?
comments icon0

A. Nifedipine

B. a-Methldopa

C. Enlapril

D. Hydralazine

270. Blockers are used in all except_____________?
comments icon0
A. Thyrotoxcosis

B. Phenochyromocytoma

C. Secondary shock

D. Migraine

272. Teratogenicity is_______________?
comments icon0

A. Drug dependence

B. Carcinoma forming tendency

C. Intolerance to a drug

D. Fetal malformation
274. Heroin, an addict drug contains______________?
comments icon0

A. Pentazocine

B. ASA

C. Acetyl morphine

D. Propoxyphene

276. All of the following are predominant arteriolar dilators except____________?
comments icon0

A. Nifedipine

B. Sodium Nitro prusside

C. Hydrallazine

D. Nitrates
277. A prodrug is____________?
comments icon0

A. The oldest member of a class of drugs

B. The proto type member of a class of drugs

C. A drug that is stored in body tissues and is then gradually released in the direction

D. An inactive drug that is transformed in the body to an active metabolite
278. Toxic optic neuropathy can be caused by all of the following EXCEPT____________?
comments icon0

A. Ethylene glycol

B. Tetracycline

C. Ethambutol

D. Ciprofloxacin
279. Salicylate administration is contraindicated in pregnancy because_______________?
comments icon0

A. Readily croses placental barrier

B. Causes pulmonary hypertension of newborn

C. It delay onset of labour

D. All of these
281. Magnesium and Aluminium are added in Antacid because_____________?
comments icon0

A. Mg Causes constipation, Al causes diarrhoea

B. Mg Causes Diarrhoea, Al Causes Constipation

C. Mg act as buffering agent and Al antagonize its action

D. Both increase gastric motility

282. The most important property in determining the induction of a general anaesthetic agent is_____________?
comments icon0

A. Alveolar exchage

B. Pulmonary ventilation

C. solubility of anaesthetic in tissue

D. Solubility of anaesthetic in blood
284. Which drug may be administered even when the patient is on alcoholic beverages ?
comments icon0
A. Animal charcoal

B. Glibenclamide

C. Chloral hydrate

D. Cefixime

285. Drugs that does not cross Blood Brain Barrier______________?
comments icon0

A. Atropine

B. Scopolamine

C. Physostigmine

D. Neostigmine
286. Which drugs had high first pass effect_____________?
comments icon0

A. Amiodarone

B. Phenytoin

C. Disorpyamide

D. Verapamil
287. Less gastrointestinal bleed is seen in the following NSAID_______________?
comments icon0

A. Naproxen

B. Ibuprofen

C. C0X2 specific inhibitors

D. Meloxicam

288. Therapeutic index is____________?
comments icon0

A. ED 100/LD 100

B. LD 100/Ed100

C. LD 50/ED500

D. ED50/LD50

289. I.V anesthesia is_________________?
comments icon0
A. Propofol

B. Flumazanil

C. Naloxane

D. Sevoflurane

292. What is the advantage of sublingual route of administration of drugs_____________?
comments icon0

A. Can be spitted out with signs of toxicity

B. Easy to administer

C. prevents or bypasses first pass effects

D. Lipid soluble

293. Dermatologic manifestation of drug allergy are managed by_____________?
comments icon0

A. Pirenzepine

B. Ranitidine

C. Chlorpheniramine

D. Lorazepam

294. Action of tannic acid is_______________?
comments icon0

A. All of the following

B. Astrigent

C. Blood coagulant

D. Styptic

295. Side effect of antihistaminic is_______________?
comments icon0
A. Drowsiness

B. Headache

C. Vertigo

D. Cough

296. Blood spills in hospitals are cleaned by_______________?
comments icon0

A. Iodine compound

B. Quaternary ammonium compound

C. Absolute alchohol

D. Sodium hypochlorite
297. Combination of ampicillin and gentamicin is an example of_____________?
comments icon0

A. Indifference

B. Synergy

C. Bacterial symbiosis

D. Antagonism

298. The antiseptic recommended for application in oral mucosa is_____________?
comments icon0

A. None of the above

B. Iodine

C. Mebromine

D. Hydrogen peroxide

299. Use of morphine is contraindicated in the following conditions except_______________?
comments icon0

A. Head injury

B. Bronchial asthma

C. Acute abdominal pain before diagnosis

D. Acute myocardial infarcation
300. Hepatic first pass metabolism is important in____________?
comments icon0

A. Drugs given IM

B. Drugs given IV

C. None of the above

D. Drugs taken orally