Chapter 15 – ANS Practice Test – Flashcards

The autonomic nervous system controls all of the following except the

Autonomic nervous system fibers are involved in all of the following except

Which one of the following best describes the order of a visceral reflex?

Parasympathetic tone

Sympathetic nerve fibers are not associated with situations involving.

___ is the background rate of sympathetic and parasympathetic activity.

The neurotransmitter(s) associated with autonomic ganglia is(are)

The effect of autonomic fibers on target cells is ___, and/whereas the effect of somatic fibers is ___.

Autonomic nervous system

In response to high blood pressure, stretch receptors called ____ in the walls of arteries carrying blood to the head will trigger a reflex that causes the heart to ____ its beats per minute.

The motor pathway of the autonomic nervous system usually involves __ neurons.

Preganglionic fibers run from

Preganglionic fibers of the autonomic efferent pathway are ____ and secrete ____.

Somatic reflexes act faster than visceral reflexes. These are all reasons for this except

Most fibers of the parasympathetic nervous system travel in

Sympathetic fibers arise only from the ____ region(s) of the spinal cord.

The sympathetic chain of ganglia (paravertebral ganglia) is found at the ___ levels of the spinal cord.

These are all features of the sympathetic division except

These are all characteristics of the parasympathetic division except

These are all characteristics of the enteric nervous systems except

If a cell has α1 adrenergic receptors, it is sensitive to

All of the following are under dual control of the ANS except

Propranolol, a beta-blocker, is typically used to

Which of the following is more effective in producing bronchodilation?

Muscarinic receptors bind

The binding of ___ to a nicotinic receptor of a muscle fiber will ___ it.

Atropine is sometimes used to dilate the pupil for eye examination. Which receptor would atropine block?

Antagonistic effects of the two divisions of the autonomic nervous system are exemplified in the control of

___ is an example of the cooperative effect between the two autonomic nervous system divisions.

Sympathetic fibers do not release

Sympathetic effects tend to last ___ than parasympathetic effects. One reason is that ___.

This enzyme breaks down norepinephrine (NE).

A neuron that synapses in the adrenal medulla is a ____ neuron, and releases the neurotransmitter ____.

Drugs that are monoamine oxidase (MAO) inhibitors would most likely

A possible explanation for the effect of caffeine is that it blocks the receptor for a neuromodulator in the brain called _____, which inhibits ACh release by cholinergic neurons.

Which one of the following is made up of primarily adrenergic fibers?

62. The ___ is an especially important center of autonomic control.

Autonomic function receives input from all these except

Which of the following is associated with the "flight or fight" reaction?

This figure shows the neural pathway through the autonomic nervous system. What does structure "3" represent?

This figure shows the neural pathway through the autonomic nervous system. What structure(s) is(are) associated with the autonomic nervous system?

Most preganglionic fibers in the sympathetic nervous system synapse with 10 to 20 postganglionic neurons. This results in

The solar plexus is used as a name for

The adrenal medulla secretes mostly

This figure shows a division of the autonomic nervous system. The label___ represents the Vagus Nerve (CNX).

Which nerve(s) carries the most parasympathetic fibers?

The parasympathetic division arises from the region(s) of the spinal cord.

Damage to the ___ may affect near vision accomodation.

White rami carry____ neurons, while gray rami carry____neurons.