Ch.15 Exam review questions

Question 1

what are the two major subdivisions of the Autonomic nervous system?

Answer 1

Sympathetic and parasympathetic

Question 2

which of the following characteristics describes the sympathetic division?

Answer 2

The sympathetic nervous system increases blood pressure, dilates bronchioles, stimulates the adrenal medulla to release its hormones, and causes ejaculation, fight or flight

Question 3

which of the following characteristics describes the parasympathetic division?

Answer 3

the parasympathetic nervous system increases digestive activity and decreases heart rate, rest and digest.

Question 4

which of the following descriptions of a preganglionic neuron is correct?

Answer 4

lie within the spinal cord and their axons traverse the ventral horn to exit in ventral roots where they form synapses onto postganglionic neurons.

Question 5

which of the following descriptions of a preganglionic neuron is not correct?

Answer 5

Forms gap junctions with postganglionic neurons in autonomic ganglia.

Question 6

which of the following responses is caused by the activation of the sympathetic division?

Answer 6

increase heart rate, pupils dilate, blood pressure increase, decrease blood flow in kidneys, release of glucose, increases blood glucose level, digestive problems .

Question 7

which of the following responses is not caused by the activation of the sympathetic division?

Answer 7

airway constriction