CNS Pharmacology MCQs

Which one of the following muscle relaxant has the maximum duration of action ?

A. Atracurium
B. Vecuronium
C. Rocuronium
D. Doxacurium

The statement Not true of Selective Cox – 2 inhibitor is ______?

A. The analgesic and anti-inflammatory effects identical to that of Non-selective NSAID
B. They do not offer the cardio protective effect
C. Safe in patients with renal insufficiency
D. Fewer incidence of gastrointestinal side effect

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

Which of the following is true about parasympathetic nervous system ?

A. Ach is transmitter at both pre & post synaptic junction
B. It causes dilatation of skeletal muscles
C. Post ganglionic fibres are longer than pre ganglionic fibres
D. Noradrenalin is the neurotransmitter at post ganglionic junction

BEnzodiazepines are true in ______?

A. Produce distortion in sleep more than other sedatives
B. More safe than other sedatives when take in larger amounts
C. After metabolism of other drugs in liver
D. All have metabolically active substrates

Which one of the following is NOT an ergot alkaloids _____?

A. Bromocriptine
B. Lysergic acid diethylamide (LSD)
C. Ketanserin
D. Methysergide

Benzodiazepine antagonist is ____?

A. Flumazenil
B. Furazolidone
C. Naloxone
D. Naltrexone

Atypical Antipsychotic are all except _____?

A. Olanzepine
B. Clozapine
C. Risperidone
D. Thioridazone

Which one of the following NSAIDs has adverse effects on liver ?

A. Acetaminophen
B. Aspirin
C. Ibuprofen
D. Diclofenac Sodium

Which of the following drug induces parkinsonism ?

A. Chlorpheniramine
B. Chlorpromazine
C. Chloroquine
D. Chlorhexidine

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