Question 1

A drug that selectively stimulates alpha-1 adrenergic receptors will cause:

Accepted Answer

A)  vasoconstriction of peripheral arterioles.
B)  increased heart rate.
C)  decreased blood pressure.
D)  bronchodilation.
E)  all of the aboveF) B) and E)
G) C) and D)

Question 2

Adrenergic antagonists that are selective for the beta-1 subtype (i.e. ,beta-1 blockers) can be useful in the treatment of:

Accepted Answer

A)  high blood pressure.
B)  heart failure.
C)  certain cardiac arrhythmias.
D)  recovery from myocardial infarction.
E)  all of the aboveF) A) and E)
G) A) and D)

Question 3

Bronchospasms associated with respiratory ailments such as asthma,bronchitis,and emphysema are often treated with:

Accepted Answer

A)  beta-1 adrenergic agonists.
B)  beta-1 adrenergic antagonists (blockers) .
C)  beta-2 adrenergic agonists.
D)  beta-2 adrenergic antagonists (blockers) .
E)  alpha-1 adrenergic agonists.F) A) and E)
G) A) and C) C

Question 4

To increase cardiac output,a drug should selectively _____ receptors on the heart.

Accepted Answer

A)  stimulate alpha-1
B)  inhibit alpha-1
C)  stimulate alpha-2
D)  inhibit alpha-2
E)  stimulate beta-1F) A) and B)
G) B) and D) E

Question 5

Stimulation of alpha-2 adrenergic receptors on spinal interneurons typically results in _______ in excitability of ______ supplied by these interneurons.

Accepted Answer

A)  an increase;motor neurons
B)  a decrease;motor neurons
C)  an increase;sensory
D)  a decrease;sensory
E)  none of the above;alpha-2 receptors are not located in the spinal cordF) C) and D)
G) A) and B) B

Exam 20: Adrenergic Drugs

A drug that selectively stimulates alpha-1 adrenergic receptors will cause:

Correct Answer
verified

Adrenergic antagonists that are selective for the beta-1 subtype (i.e. ,beta-1 blockers) can be useful in the treatment of:

Correct Answer
verified

Bronchospasms associated with respiratory ailments such as asthma,bronchitis,and emphysema are often treated with:

Correct Answer
verified
C

To increase cardiac output,a drug should selectively _____ receptors on the heart.

Correct Answer
verified
E

Stimulation of alpha-2 adrenergic receptors on spinal interneurons typically results in _ in excitability of supplied by these interneurons.

Correct Answer
verified
B

Exam 20: Adrenergic Drugs

A drug that selectively stimulates alpha-1 adrenergic receptors will cause:

Correct AnswerverifiedShow Answer

Adrenergic antagonists that are selective for the beta-1 subtype (i.e. ,beta-1 blockers) can be useful in the treatment of:

Correct AnswerverifiedShow Answer

Bronchospasms associated with respiratory ailments such as asthma,bronchitis,and emphysema are often treated with:

Correct AnswerverifiedC

To increase cardiac output,a drug should selectively _____ receptors on the heart.

Correct AnswerverifiedE

Stimulation of alpha-2 adrenergic receptors on spinal interneurons typically results in _______ in excitability of ______ supplied by these interneurons.

Correct AnswerverifiedB

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified
E

Stimulation of alpha-2 adrenergic receptors on spinal interneurons typically results in _ in excitability of supplied by these interneurons.

Correct Answer
verified
B