medical MCQs – Page 454

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

9061. Nitrous oxide is carried in the blood stream by_____________?
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A. Red Blood cells

B. White blood cells

C. Serum

D. Haemoglobin

9062. Drugs showing zero order kinetics of elimination_____________?
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A. Are more common than first order kinetics

B. Show a plot of drug concentration versus time that is linear

C. Have a half life independent of dose

D. Decrease in concentration exponentially with time

9063. Rapid onset of inhalational GA depends on____________?
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A. All of the above

B. Cerebral blood flow

C. Partial pressure of GA

D. Blood solubility

9064. Loading dose depends on_____________?
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A. Volume of distribution

B. Half life

C. Clearance

D. Rate of administration

9065. All of the following are tocolytic except_______________?
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A. Atosiban

B. Ritodrine

C. Natrexam

D. Isoxsuprine

9066. Which of the following is not a contraindication in the therapy with opioids_____________?
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A. Use in severe constant pain

B. Use in head injury patient

C. Use of agonist with mixed agonist-antagonist

D. use in impaired pulmonary function

9067. Drug injury may be caused by therapeutic drugs or______________?
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A. Carcinogens

B. Nontherapeutic agents

C. All of the above

D. Allergens

9068. American society of anesthesiologists physical status classification system, P2 is a is a patient who______________?
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A. Is healthy

B. With mild systemic disease

C. None of the above

D. With severe systemic disease

9069. Cardiac arrhythmias are most commonly seen during administration of____________?
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A. Nitrous oxide

B. Ethyl Ether

C. Thiopental

D. Halothane

9070. Pregnant patient can be safely given______________?
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A. Barbiturates

B. Paracetamol

C. Metronidazole

D. Tetracycline

9071. Plasma concentration of drug at time 0 is 96g/mL. if t1/2 is 2 hours concentration is plasma at 10 hours will be___________?
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A. 3

B. 24

C. 48

D. 12

9072. Not true about penicillin G is______________?
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A. More concentrated in prostatic secretions and intraocular fluids

B. Very active against sensitive gram positive cocci

C. Destroyed by gastric acid

D. Used for treatment of meningococcal meningitis

9073. NSAID which undergoes enterohepatic circulation______________?
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A. Phenylbutazone

B. Piroxicam

C. Ibuprofen

D. Aspirin

9074. A patient is talking terfenadine for cold and comes for tooth extraction. What tablet you have given which makes him suffer from cardiac arrhythmia______________?
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A. Doxycycline

B. Erythromycin

C. Penicillin

D. Streptomycin

9075. Bronchospasm can be precipitated by______________?
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A. Salbutamol

B. propranolol

C. Atropine

D. Adrenaline

9076. General anaesthetic most likely to cause bronchodilation is_____________?
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A. Fentanyl

B. Ketamine

C. Thiopentone

D. Propofol

9077. Which of the following is a leukotriene antagonist ?
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A. Misopristol

B. Nedocromil

C. Zileuton

D. Montelukast

9078. A child is brought with drowsiness, decreased deep tendon reflexes and seizures. On examination the child has a blue line on gums. There is history of constipation. Which will be most appropriate drug that should be used in this child ?
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A. EDTA

B. Penicillamine

C. DMSA

D. BAL

9079. Lidocaine produces its antiarrhythmic effects by_____________?
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A. Increasing A-V conduction

B. Increasing cardiac conduction velocity

C. Increasing spontaneous pacemaker activity

D. Decreasing cardiac excitability

9080. Finasteride is a ?
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A. PDE inhibitor

B. Androgen receptor blocker

C. Alpha blocker

D. 5 alpha reductase inhibitor

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