Take Quiz: Drug Affecting ANS

Question 1

Which of the following term indicates a substance secreted into the blood by a neuron:*

A. Neurohormone

B. Neuromodulator

C. Neuromediator

D. Neurotransmitter

Question 2

The most frequent type of drug interaction that occurs in patients using drugs of the sedative hypnotic class is*

A. Additive CNS depression

B. Antagonism of sedative or hypnotic actions

C. Competition for plasma protein binding

D. Induction of liver drug-metabolizing enzymes

E. Inhibition of liver drug-metabolizing enzymes

Question 3

The most likely mechanism involved in the antiseizure activity of carbamazepine is*

A. Block of sodium ion channels

B. Block of calcium ion channels

C. Facilitation of GABA actions on chloride ion channels

D. Glutamate receptor antagonism

E. Inhibition of GABA transaminase

Question 4

The inhalation anesthetic with the fastest onset of action is*

A. Enflurane

B. Isoflurane

C. Nitric oxide

D. Nitrogen dioxide

E. Nitrous oxide

Question 5

Epinephrine added to a solution of lidocaine for a peripheral nerve block will*

A. Increase the risk of convulsions

B. Increase the duration of anesthetic action of the local anesthetic

C. None of the above

Question 6

Following is the main inhibitory transmitter in the brain*

A. Dopamine

B. Norepinephrine

C. Glycine

D. GABA

Question 7

The mechanism of action of benzodiazepines is*

A. Activation of GABAB receptors

B. Antagonism of glycine receptors in the spinal cord

C. Blockade of the action of glutamic acid

D. Increased GABA mediated chloride ion conductance

E. Inhibition of GABA aminotranferase

Question 8

Which of the following is a common effect of muscarinic stimulant drugs?*

A. Decreased peristalsis

B. Decreased secretion by salivary glands

C. Hypertension

D. Inhibition of sweat glands

E. Miosis

Question 9

Which of the following drugs is a volatile substance that is administered by inhalation?*

A. Thiopental

B. Halothane

C. Alprazolam

D. Buspirone

E. Phenytoin

Question 10

One of epinephrine’s actions on the heart is*

A. Acceleration due to depression of the vagus

B. Increase in refractory period

C. Depression of the SA node