Sympathetics

Question 1

Alpha-1 (3)

Answer 1

Protein class (q)

1. Increase vascular smooth muscle contraction
2. Increase pupillary dilator muscle (mydriasis)
3. Increase intestinal and bladder sphincter muscle contraction

Question 2

Alpha-2 (5)

Answer 2

Protein class (i)

1. Decrease sympathetic (adrenergic) outflow
2. Decrease insulin release
3. Decrease lipolysis
4. Increase platelet aggregation
5. Decrease aqueous humor production

Question 3

Beta-1 (4)

Answer 3

Protein class (s)

1. Increase heart rate
2. Increase contractility
3. Increase renin release
4. Increase lipolysis

Question 4

Beta-2 (7)

Answer 4

Protein class (s)

1. Vasodilation
2. Bronchodilation
3. Increase lipolysis
4. Increase insulin release
5. Decrease uterine tone (tocolysis)
6. Ciliary muscle relaxation
7. Increase aqueous humor production

Question 5

Beta-3 (3)

Answer 5

Protein class (s)

1. Increase lipolysis
2. Increase thermogenesis in skeletal muscle
3. Increase bladder relaxation