MCQOPTIONS
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MCQOPTIONS
This section includes 529 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.
| 351. |
Drugs that does not cross Blood Brain Barrier______________? |
| A. | Atropine |
| B. | Neostigmine |
| C. | Physostigmine |
| D. | Scopolamine |
| Answer» C. Physostigmine | |
| 352. |
Drugs showing zero order kinetics of elimination_____________? |
| A. | Are more common than first order kinetics |
| B. | Decrease in concentration exponentially with time |
| C. | Have a half – life independent of dose |
| D. | Show a plot of drug concentration versus time that is linear |
| Answer» D. Show a plot of drug concentration versus time that is linear | |
| 353. |
Drugs producing ototoxicity and Nephro toxicity are______________? |
| A. | Tetracyclines |
| B. | Aminoglycosides |
| C. | Quinalones |
| D. | Macrolides |
| Answer» C. Quinalones | |
| 354. |
Drugs exhibiting first pass metabolism are all EXCEPT one______________? |
| A. | Morphine |
| B. | Nitroglycerine |
| C. | Propranolol |
| D. | Salicylates |
| Answer» E. | |
| 355. |
Drugs like barbiturates precipitate symptoms of prophyria because______________? |
| A. | They depress ALA synthase |
| B. | They inhibit ALA synthase |
| C. | They induce heme oxygenase |
| D. | They inhibit heme oxygenase |
| Answer» B. They inhibit ALA synthase | |
| 356. |
Drugs causing hyperglycemia_______________? |
| A. | B-blocker |
| B. | Glucocorticoids |
| C. | Acetylcholine |
| D. | a-blockers |
| Answer» C. Acetylcholine | |
| 357. |
Drug which is used to control status epilepticus is______________? |
| A. | Diazepam |
| B. | Sodium nitroprusside |
| C. | Glyceryl trinitrite |
| D. | Pheno barbital |
| Answer» B. Sodium nitroprusside | |
| 358. |
Drug which crosses placental barrier is____________? |
| A. | phenytoin |
| B. | Diazepam |
| C. | Corticosteroids |
| D. | All of the above |
| Answer» E. | |
| 359. |
Drug which is most unsafe during pregnancy is____________? |
| A. | Ethambutol |
| B. | Streptomycin |
| C. | Kanamycin |
| D. | B & C |
| Answer» E. | |
| 360. |
Drug which causes gingival hyperplasia_____________? |
| A. | Nifedipine |
| B. | Erythromycin |
| C. | Cyclosporin |
| D. | Aspirin |
| E. | Both A & C |
| Answer» F. | |
| 361. |
Drug that does not cause sedation________________? |
| A. | Buspirone |
| B. | Nitrazepam |
| C. | Zopiclone |
| D. | Diazepam |
| Answer» B. Nitrazepam | |
| 362. |
Drug to be avoided in a patient allergic to penicillin is_____________? |
| A. | Sulphonamide |
| B. | Tetracycline |
| C. | Ampicillin |
| D. | Cholarmphenicol |
| Answer» D. Cholarmphenicol | |
| 363. |
Drug of choice to treat fungal infection in AIDS is_____________? |
| A. | Acyclovir |
| B. | Ketoconazole |
| C. | Aerosolized pentamidine |
| D. | Didanasine |
| Answer» C. Aerosolized pentamidine | |
| 364. |
Drug of choice in Amoebic liver abscess besides metronidazole is_____________? |
| A. | Ciprofloxacin |
| B. | Chloroquin |
| C. | Mebendazole |
| D. | Bephenium Naphthoate |
| Answer» C. Mebendazole | |
| 365. |
Drug not requiring dose adjustment in renal disease is___________? |
| A. | Aminoglycoside |
| B. | Vancomycin |
| C. | Calcium channel blocker |
| D. | Metronidazole |
| Answer» D. Metronidazole | |
| 366. |
Drug injury may be caused by therapeutic drugs or______________? |
| A. | Carcinogens |
| B. | Allergens |
| C. | Nontherapeutic agents |
| D. | All of the above |
| Answer» D. All of the above | |
| 367. |
Drug efficacy refers to_________________? |
| A. | Range of disease in which the drug beneficial |
| B. | Maximal intensity of response that can be produced by the drug |
| C. | The therapeutic does range of the drug |
| D. | The therapeutic index of the drug |
| Answer» C. The therapeutic does range of the drug | |
| 368. |
Drug chemically related to penicillins is_____________? |
| A. | Tetracycline |
| B. | Sulphonamide |
| C. | Cephalosporin |
| D. | Lincemycin |
| Answer» D. Lincemycin | |
| 369. |
Drug binds to activate the receptor is same fashion, which directly or indirectly brings effect, is_____________? |
| A. | Inverse agonist |
| B. | Antagonist |
| C. | Agonist |
| D. | Partial agonist |
| Answer» D. Partial agonist | |
| 370. |
DOPA and 5-Hydroxytryptophan are clinically important because_____________? |
| A. | They cross blood Brain Barriers |
| B. | They are acidic precursors of Brain amines |
| C. | They act as neuromodulators |
| D. | They are metabolites of various neurogenic amines |
| Answer» B. They are acidic precursors of Brain amines | |
| 371. |
Doalin pectrose is_____________? |
| A. | Mummifying agent |
| B. | Anticoagulant |
| C. | Counter irritant |
| D. | Anti diarroheal |
| Answer» E. | |
| 372. |
Diuretics cause loss of_______________? |
| A. | Sodium |
| B. | Calcium |
| C. | Potassium |
| D. | Iron |
| Answer» D. Iron | |
| 373. |
Dissociative Sedation and analgesia described by Robert and Rosebaum in 1971 is____________? |
| A. | 5 to 20% N20 |
| B. | 20 to 30% N20 |
| C. | 30 to 50% N20 |
| D. | 50 to 70% N20 |
| Answer» E. | |
| 374. |
Disseminated candidiasis requires intensive therapy with_____________? |
| A. | Nystatin |
| B. | Amphotericin |
| C. | Interferons |
| D. | Thiobendazole |
| Answer» C. Interferons | |
| 375. |
Digitalis induced automaticity is enhanced by______________? |
| A. | High K+ levels |
| B. | High Ca2+ levels |
| C. | High Na+ levels |
| D. | Low K+ levels |
| Answer» E. | |
| 376. |
Desfuroxamide is a drug used for____________? |
| A. | Kala azar |
| B. | Pernicious anaemia |
| C. | Pain control |
| D. | Thalassemia |
| Answer» E. | |
| 377. |
Dermatologic manifestation of drug allergy are managed by_____________? |
| A. | Lorazepam |
| B. | Pirenzepine |
| C. | Ranitidine |
| D. | Chlorpheniramine |
| Answer» E. | |
| 378. |
Delay in blood coagulation results from_____________? |
| A. | Human thrombin |
| B. | Heparin |
| C. | Ferric chloride |
| D. | Vit-K |
| Answer» C. Ferric chloride | |
| 379. |
D-tubocurarine blocks the neuromuscular transmission by___________? |
| A. | Blocking acetylcholine receptors |
| B. | Prevent release of acetyl choline |
| C. | Destroys acetyl choline |
| D. | Inactivate acetylcholine esterase enzyme |
| Answer» B. Prevent release of acetyl choline | |
| 380. |
Cyclosporin is used an______________? |
| A. | Anticancer drug |
| B. | Antibiotic |
| C. | Antiarrythmic |
| D. | Immunosuppresant |
| Answer» E. | |
| 381. |
Curare poisoning is characterised by________________? |
| A. | Hypertension |
| B. | Hypotension |
| C. | Doesn’t release histamine |
| D. | Oral route of administration is the best route |
| Answer» C. Doesn’t release histamine | |
| 382. |
Cross resistance of isoniazid is seen with_____________? |
| A. | Rifampicin |
| B. | Ethionamide |
| C. | Cycloserine |
| D. | Ethambutol |
| Answer» C. Cycloserine | |
| 383. |
Concurrent administration of tetracyclines is most likely to impair the action of_____________? |
| A. | Lincomycin |
| B. | Chloramphenicol |
| C. | Erythromycin |
| D. | Penicillin |
| Answer» E. | |
| 384. |
Complete drug elimination occurs after how many hours, if t½ is 4 hrs______________? |
| A. | 12 hrs |
| B. | 20 hrs |
| C. | 25 hrs |
| D. | 30 hrs |
| Answer» C. 25 hrs | |
| 385. |
Combination of ampicillin and gentamicin is an example of_____________? |
| A. | Indifference |
| B. | Synergy |
| C. | Antagonism |
| D. | Bacterial symbiosis |
| Answer» C. Antagonism | |
| 386. |
Combination chemotherapy is used in tuberculosis in order to reduce____________? |
| A. | Side effects of drugs |
| B. | Cost of therapy |
| C. | Dosage of drugs |
| D. | Development of drug resistance |
| Answer» E. | |
| 387. |
Colour of teeth stained by tetracycline appear _________ under UV light? |
| A. | Red |
| B. | Green |
| C. | Yellow |
| D. | Brown |
| Answer» D. Brown | |
| 388. |
Clotting time is most like to be prolonged by the administration of____________? |
| A. | Vitamin K |
| B. | Barbiturates |
| C. | Acetominophen |
| D. | Acetyl salicylic acid |
| Answer» E. | |
| 389. |
Cloidogrel is an______________? |
| A. | Anti hypertensive |
| B. | Antidiabetic |
| C. | Antipalatelet |
| D. | Anticoagulant |
| Answer» D. Anticoagulant | |
| 390. |
Clavulanic acid added to ampicillin causes_____________? |
| A. | Increase effectivity against gram-negative organisms |
| B. | Inhibition of B-lactamases |
| C. | Increase the effectiveness against delta lactamase producing organism |
| D. | Increase effectivity against gram-positive organisms |
| Answer» C. Increase the effectiveness against delta lactamase producing organism | |
| 391. |
Clavulanic acid is given in combination with amoxicillin in order to____________? |
| A. | Reduce the risk allergic reactions: |
| B. | Prolong amoxicillin’s half-life |
| C. | Reduce the severity of diarrhea |
| D. | Extend amoxicillin’s antibacterial spectrum |
| Answer» E. | |
| 392. |
Chloroxylenol has_______________? |
| A. | Local anesthetic property |
| B. | Local anesthetic and antiseptic action |
| C. | Antiseptic |
| D. | Antibiotic action |
| Answer» D. Antibiotic action | |
| 393. |
Chloramphenicol can cause_____________? |
| A. | Staining of teeth |
| B. | Aplastic anaemia |
| C. | Bone marrow suppression |
| D. | B & C |
| Answer» E. | |
| 394. |
Cephalosporines have all of the following interactions except_____________? |
| A. | Show cross sensitivity with penicillins |
| B. | Are penicillinase resistant |
| C. | Have a broad spectrum but are inactive against anaerobes |
| D. | Are used in upper respiratory tract infections |
| Answer» C. Have a broad spectrum but are inactive against anaerobes | |
| 395. |
Cephalosporin active against pseudomonas aeruginosa______________? |
| A. | Cefoperazone |
| B. | Cefaclor |
| C. | Ceftriaxone |
| D. | Cefotaxime |
| Answer» B. Cefaclor | |
| 396. |
Centrineuraxial (spinaland epidural) anaesthesia is not contraindicated in____________? |
| A. | Platalets <80,000 |
| B. | Patient on aspirin |
| C. | Patient on oral anticoagulants |
| D. | Raised intracranial pressure |
| Answer» C. Patient on oral anticoagulants | |
| 397. |
Cell wall synthesis is inhibited by all except____________? |
| A. | Lincomycin |
| B. | Penicillin |
| C. | Cephalexin |
| D. | Ampicillin |
| Answer» B. Penicillin | |
| 398. |
Cardiac arrhythmias are most commonly seen during administration of____________? |
| A. | Thiopental |
| B. | Halothane |
| C. | Ethyl Ether |
| D. | Nitrous oxide |
| Answer» C. Ethyl Ether | |
| 399. |
Carbamazepine is a type of___________? |
| A. | Antidepressant |
| B. | Antinflammatory |
| C. | Antibiotic |
| D. | Antiemetic |
| Answer» B. Antinflammatory | |
| 400. |
Buprenorphine acts by following mechanism________________? |
| A. | Mu receptor antagonist |
| B. | Kappa receptor antagonist |
| C. | Mu receptor partial agnoist |
| D. | Kappa receptor partial agonist |
| Answer» D. Kappa receptor partial agonist | |