BIOL 237

Sample Questions

Autonomic Nervous System

1 through 5: Determine in each case if the characteristic or action described is

(A) cholinergic, nicotinic, (B) cholinergic, muscarinic, (C) alpha adrenergic, (D) beta adrenergic.

1. Excitatory receptors at the eccrine sweat glands.

2. Excitatory receptors on the heart.

3. Stimulates secretion of glands and increase motility in the gastrointestinal tract.

4. Receptors which cause focusing of the lens for near objects.

5. Receptors which dilate vessels leading to the skeletal muscles.

-------------------------------------------------------------------------------------------------------------------------

6, 7. When your ophthalmologist applies drops to your eyes in order to examine the eye, the drug is blocking the ___(6)___ receptors which produce pupillary constriction, while not affecting the ___(7)___ receptors which control contraction in the eye’s extrinsic muscles.

(A) cholinergic, nicotinic, (B) cholinergic, muscarinic, (C) alpha adrenergic, (D) beta adrenergic.

--------------------------------------------------------------------------------------------------------------------------

8 through 15 Matching: Choose the correct division for each function listed:

(A) sympathetic division, (B) parasympathetic division, (C) somatic division.

8. Increase in heart rate and volume.

9. Release of epinephrine by the adrenal medulla.

10. Blinking.

11. Constriction of vessels leading to the GI tract

12. Foreceful contraction of GI sphincter muscles along with inhibition of motility in other GI muscles.

13. Constriction of the pupil

14. Dilation of vessels leading to the skeletal muscles

15. Salivation