Identify structure A on the top diagram.
A. autonomic ganglion
B. somatic motor neuron
C. effector organ (smooth muscle of GI tract)
D. postganglionic neuron
E. preganglionic neuron
(
Question 2) Identify structure B on the bottom diagram.
A. autonomic ganglion
B. somatic motor neuron
C. effector organ (smooth muscle of GI tract)
D. postganglionic neuron
E. preganglionic neuron
(
Question 3) The ________________ division of the ANS functions mainly to prepare the body for energy-expending, stressful situations.
A. craniosacral
B. parasympathetic
C. somatic
D. sympathetic
E. sensory
(
Question 4) Acetylcholine will cause the pupil of the eye to constrict. A drug acts on receptors for acetylcholine to cause the pupils of the eye to dilate. Nicotine does not bind to receptors in smooth muscle cells of the iris.
Therefore, the drug which causes the pupils to dilate is a
A. nicotinic blocking agent.
B. muscarinic blocking agent.
C. a nicotinic agent.
D. a muscarinic agent.
E. an adrenergic agent.
(
Question 5) When a person consumes a substantial amount of nicotine, the response
A. increases parasympathetic responses.
B. increases sympathetic responses.
C. decreases parasympathetic responses.
D. decreases sympathetic responses.
E. both increases parasympathetic responses and increases sympathetic responses.
(
Question 6) The _______________ division of the ANS functions mainly under ordinary, restful conditions.
A. parasympathetic
B. somatic
C. sympathetic
D. thoracolumbar
E. sensory
(
Question 7) The two divisions of the ANS have antagonistic effects on each of the following EXCEPT
A. the diameter of the blood vessels in skeletal muscles
B. the diameter of bronchioles in the lungs
C. gastrointestinal peristalsis
D. heart rate
E. the eye
(
Question 8) Stimulation by the autonomic nervous system results in increased insulin secretion from the pancreas during and after a meal. The following are most likely to be true.
A. increased insulin secretion is due to parasympathetic stimulation
B. acetylcholine agonists will stimulate insulin secretion
C. increased insulin secretion is due to sympathetic stimulation
D. increased insulin secretion is due to adrenergic agonists
E. increased insulin secretion is due to parasympathetic stimulation and acetylcholine agonists will stimulate insulin secretion
(
Question 9) Sympathetic effects are always stimulatory, while parasympathetic effects are always inhibitory.
Indicate whether the statement is true or false.
(
Question 10) Which of the following occurs when the parasympathetic system is stimulated?
A. increased blood pressure
B. increased motility of the digestive tract
C. increased metabolism
D. increased heart rate
E. decreased motility of the digestive tract
Quick Reply
