receptor, major tissues, major functions

Question 1

alpha 1 receptors act on what tissues and have what major function?

Answer 1

act on smooth muscle and sphincters to contract them

Question 2

alpha 2 receptors act on what tissues and have what major function?

Answer 2

act on nerve endings and they decrease neurotransmitter release

Question 3

beta 1 receptors act on what tissues and have what major function?

Answer 3

act on cardiac and kidney muscle, they increase HR, and force of contraction, and increase renin release

Question 4

beta 2 receptors act on what tissues and have what major function?

Answer 4

affect smooth muscle in bronchi, liver, and skeletal muscle. To relax smooth muscle, increase gluconeogenesis, and glycogenolysis

Question 5

beta 3 receptors act on what tissues and have what major function?

Answer 5

act on adipose, to increase lipolysis

Question 6

dopamine 1 receptors act on what tissues and have what major function?

Answer 6

act on renal, mesenteric, and cardiac smooth muscle to relax renal vessel smooth muscle

Question 7

alpha 1 sympathomimetics are used for

Answer 7

decongestion of mucosa
additives to local anesthetics
for hypotension
myadrisis induction

Question 8

alpha 2 sympathomimetics are used for

Answer 8

hypertension treatment

Question 9

beta 1 sympathomimetics are used for

Answer 9

acute HF with low CO and hypotension, cardiogenic shock, cardiac arrest

Question 10

beta 2 sympathomimetics are used for

Answer 10

COPD, prevention of premature labor

Question 11

beta 3 sympathomimetics are used for

Answer 11

overactiv urinary bladder with incontinence