Final Review

Question 1

Dobutamine is:

A.  Beta-2 agonist
B.  Alpha-1 blocker
C.  Muscarinic blocker
D.  Adrenergic reuptake inhibitor
E.  Beta-1 agonist

Answer 1

E. Beta-1 agonist

Question 2

Name two uses for reversible alhpa-1 blockers.

Answer 2

**azosin (like prazosin) are reversible a1b-blockers. Main use is to Decrease blood pressure

2. Hypertrophy of the prostate, urinary retention (remember tamsulosin or Flomax is an a1a/d-blocker)

Question 3

Name one use for an irreversible alpha-1 blocker.

Answer 3

Phenoxybenzamine – to treat high blood pressure –

pheochromocytoma (tumors of adrenal medulla)

Question 4

What is the main side effect of B blockers?

Answer 4

Bronchoconstriction

Question 5

Name an alpha 2 agonist.

Answer 5

Clonidine

Question 6

What can be used to prevent premature delivery besides ritodrine?

Answer 6

-magnesium

Question 7

What can be used during delivery to cause uterine contractions?

Answer 7

Prostaglandins

Question 8

What causes myasthenia gravis?

Answer 8

Reduced number of ACh receptors or receptors blocked by

antibodies in muscle cells

Question 9

What is the sympathetic neurotransmitter/receptor in sweat glands?

Answer 9

• Acetylcholine

- M3 receptors

Question 10

In a normal person, effect of norepinephrine on heart rate:

Answer 10

Decrease (reflex bradycardia)

Question 11

Effect of norepinephrine on heart rate in an organ bath

Answer 11

Increase

Question 12

Effect of norepinephrine on heart rate in a person with transplanted heart

Answer 12

increase