ANS / PARASYMPA

Question 1

The Autonomic Nervous System is concerned primarily with control and integration of visceral functions like the ff except?

a. Cardiac output
b. Blood flow
c. Digestion
d. Posture

Answer 1

d. Posture

Question 2

The primary neurotransmitter released at the parasympathetic post-ganglionic fiber is:

a. Epinephrine
b. Norepinephrine
c. Acetylcholine
d. Dopamine

Answer 2

c. Acetylcholine

Question 3

The principal site of autonomic nervous system organization is the:

a. Hypothalamus
b. Medulla
c. Cerebral cortex
d. Pituitary gland

Answer 3

a. Hypothalamus

Question 4

Stimulation of the parasympathetic nervous system will lead to the ff effect:

a. Tachycardia
b. Mydriasis
c. Contraction of the trigone muscles
d. Bronchoconstriction

Answer 4

d. Bronchoconstriction

Question 5

Direct acting parasympathetic agonists that are esters of choline

a. Muscarine
b. Arecholine
c. Methacholine
d. Pilocarpine

Answer 5

c. Methacholine

Question 6

Choline ester most susceptible to cholinesterase hydrolysis

a. Acetylcholine
b. Betanechol
c. Carbachol
d. Methacholine

Answer 6

a. Acetylcholine

Question 7

indirect acting parasympathetic agonist used in the management of Alzheimer’s disease:

a. Neostigmine
b. Galantamine
c. Pyridostigmine
d. Physostigmine

Answer 7

b. Galantamine

Question 8

Which of the ff agents causes reversible blockade of the actions of parasympathomimetics at muscarinic receptors?

a. Echothiophate
b. Atropine
c. Mecamylamine
d. Edrophonium

Answer 8

b. Atropine

Question 9

Antimuscarinic agent that is the mainstay in the treatment of motion sickness

a. Atropine
b. Meclizine
c. Diphenhydramine
d. Scopolamine

Answer 9

d. Scopolamine

Question 10

Nondepolarizing, noncompetitive antagonists at nicotinic receptors

a. Hexamethonium
b. Atropine
c. Scopolamine
d. Parathion

Answer 10

a. Hexamethonium

Question 11

The ff statements are true of Myasthenia Gravis except?

a. It is an autoimmune disorder
b. Occurs at birth
c. Initial symptoms include ptosis and muscle weakness
d. May be managed by Anticholinesterases

Answer 11

b. It occurs at birth

Question 12

The clinical hallmark for MG is:

a. Fluctuating fatigable muscle weakness that worsens with activity
b. Ocular symptoms with generalized weakness\
c. Limb weakness may be more severe proximally than distally
d. The disease remains to be ocular

Answer 12

a. Fluctuating fatigable muscle weakness that worsens with activity

Question 13

The ff drugs are some of the more common prescription drugs associated with worsening MG:

a. Ciprofloxacin
b. Penicillamine
c. Statins
d. All

Answer 13

d. All

Question 14

Pharmacologic management of MG includes:

a. Pyridostigmine
b. Corticosteroids
c. Azathioprine
d. All are correct

Answer 14

d. All are correct

Question 15

Organophosphate poisoning may be due to the ff agents:

a. Parathion
b. Echothiopate
c. Sarin
d. Tabun

Answer 15

a. Parathion

Question 16

Manifestations of Organophosphate poisoning include:

a. Nausea and Vomitting
b. Drying of secretions
c. Mydriasis
d. All are correct

Answer 16

a. Nausea and Vomitting

Question 17

Management of organophosphate poisoning includes this cholinesterase generator:

a. Atropine
b. Activated charcoal
c. Pralidoxime
d. Scopolamine

Answer 17

c. Pralidoxime

Question 18

The most commonly encountered risk factor for COPD is:

a. Tobacco smoking
b. Presence of Bronchial asthma
c. Exposure to asbestos
d. Exposure to pollution

Answer 18

a. Tobacco smoking

Question 19

Management of COPD includes this Long Acting Antimuscarinic (LAMA) agent:

a. Salbutamol
b. Atropine
c. Budesonide
d. Tiotropium

Answer 19

d. Tiotropium

Question 20

A short acting antimuscarinic (SAMA) agent that can help provide small benefits of COPD:

a. Aclidinium
b. Umeclidinium
c. Ipatropium
d. Tiotropium

Answer 20

c. Ipatropium