Assignment Ch. 14 Module 1: Sections 14.01-14.02 Dynamic Study Module

During vigorous activity, which of the following actions would be decreased?

:(

Which of the following letters represents the system that conducts the fastest impulses?

A

Match the following: "A."

A cell body found in the spinal cord/Is always stimulatory

Match the following: "C."

A cell body of a parasympathetic postganglionic motor neuron/Fibers originate in the thoracic and lumbar regions of the spinal cord

Name the neurotransmitter released at point C is the following figure.

Acetylcholine

Name the neurotransmitter released at points A and B in the following figure.

Acetylcholine

Which of the labeled structures indicate(s) a ganglion?

B and C

Which of the diagrams best represents the structure of the nervous system?

C

Which of the following would not occur when the parasympathetic system is active?

Cold, sweaty skin

Match the following: "D."

Fibers originate in the brain (cranium) and sacral spinal cord

Match the following parasympathetic action with its target organ: Decreases activity.

Heart

Which of the following would not take place during exercise or vigorous physical activity?

Increased digestive activity to allow more glucose absorption for energy

Which fibers release norepinephrine (NE)?

Sympathetic postganglionic fibers

Which of the following release norepinephrine?

Sympathetic postganglionic fibers

Which of the following statements is true?(cell bod)

The cell body of the first neuron, the preganglionic neuron, resides in the brain or spinal cord. Its axon, the preganglionic axon, synapses with the second motor neuron.

During vigorous activity, which of the following actions would be decreased?

The digestion of food

Which of the following statements is true?

The postganglionic neuron (sometimes called the ganglionic neuron), is the second motor neuron. Its cell body is in an autonomic ganglion outside the CNS. Its axon, the postganglionic axon, extends to the effector organ.

Match the following: "B."

The system of motor neurons that innervates smooth and cardiac muscle and glands

Which is statement is true of the interaction between the autonomic and somatic nervous systems?

The two systems interact closely.

What is the function of the somatic nervous system?

To stimulate skeletal musclesterm

Although all body systems contribute, the stability of our internal environment depends largely on the ANS. Thus, the ANS plays a rather large role in __________.

homeostasis

The autonomic nervous system differs from the somatic nervous system in all of the following characteristics except __________.

its classification as a branch of the motor (efferent) division of the PNS

The division of the autonomic nervous system that puts you into "fight-or-flight" mode is the __________.

sympathetic division