Question 1

The sympathetic preganglionic neuron cell bodies are housed in the ________ horn of the appropriate thoracolumbar regions of the spinal cord.

Accepted Answer

The answer of The sympathetic preganglionic neuron cell bodies are...

Question 2

Select all that are examples of how autonomic reflexes help maintain homeostasis.

Accepted Answer

A)  Decreasing blood pressure 
B)  Emptying of the bladder 
C)  Initiating defecation 
D)  Preventing overstretching of skeletal muscles 
A)  Decreasing blood pressure 
B)  Emptying of the bladder 
C)  Initiating defecation 
D)  Preventing overstretching of skeletal muscles

Question 3

Postganglionic axons of the parasympathetic branch of the ANS cause increased secretion by the lacrimal glands.

Accepted Answer

A) True 
 B)False

Question 4

Stimulation of β2 receptors in the lung causes

Accepted Answer

A)  bronchoconstriction. 
B)  bronchodilation. 
A)  bronchoconstriction. 
B)  bronchodilation.

Question 5

The postganglionic parasympathetic fibers that are controlled by pelvic splanchnic nerves innervate the
A: Large intestine
B: Reproductive organs
C: Salivary glands
D: Pupillary constrictor muscles
E: Urinary bladder
F: Ureters

Accepted Answer

A)  a, d, e 
B)  b, c, e 
C)  a, b, e, f 
D)  c, d, f 
E)  a, c 
A)  a, d, e 
B)  b, c, e 
C)  a, b, e, f 
D)  c, d, f 
E)  a, c

Question 6

The lack of extensive divergence of parasympathetic preganglionic axons prevents the mass activation seen in the sympathetic division.

Accepted Answer

A) True 
 B)False

Question 7

Muscarinic receptors are proteins that bind the neurotransmitter

Accepted Answer

A)  acetylcholine. 
B)  epinephrine. 
C)  norepinephrine. 
A)  acetylcholine. 
B)  epinephrine. 
C)  norepinephrine.

Question 8

The cardiac sphincter is innervated by parasympathetic axons coming from the ________ plexus.

Accepted Answer

A)  esophageal 
B)  abdominal aortic 
C)  pulmonary 
D)  hypogastric 
E)  cardiac 
A)  esophageal 
B)  abdominal aortic 
C)  pulmonary 
D)  hypogastric 
E)  cardiac

Question 9

Many different neurons can stimulate an autonomic ganglion cell simultaneously due to

Accepted Answer

A)  convergence. 
B)  reciprocity. 
C)  divergence. 
D)  reverberation. 
A)  convergence. 
B)  reciprocity. 
C)  divergence. 
D)  reverberation.

Question 10

Sympathetic splanchnic nerves are composed of

Accepted Answer

A)  preganglionic sympathetic axons that synapse in a sympathetic trunk ganglion. 
B)  preganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion. 
C)  postganglionic sympathetic axons that synapse in a sympathetic trunk ganglion. 
D)  postganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion. 
E)  None of the choices is correct. 
A)  preganglionic sympathetic axons that synapse in a sympathetic trunk ganglion. 
B)  preganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion. 
C)  postganglionic sympathetic axons that synapse in a sympathetic trunk ganglion. 
D)  postganglionic sympathetic axons that did not synapse in a sympathetic trunk ganglion. 
E)  None of the choices is correct.

Question 11

The sympathetic and parasympathetic systems have ________ effects on heart rate.

Accepted Answer

A)  antagonistic 
B)  cooperative 
C)  synergistic 
D)  negligible 
A)  antagonistic 
B)  cooperative 
C)  synergistic 
D)  negligible

Question 12

Consider a basketball player whose heart is racing during the final moments of a game. With seconds on the clock, she makes a jump shot. Her excitement is a function of her ________ nervous system, and her movements are a function of her ________ nervous system.

Accepted Answer

A)  parasympathetic; sympathetic 
B)  sympathetic; parasympathetic 
C)  somatic; sympathetic 
D)  sympathetic; somatic 
E)  somatic; parasympathetic 
A)  parasympathetic; sympathetic 
B)  sympathetic; parasympathetic 
C)  somatic; sympathetic 
D)  sympathetic; somatic 
E)  somatic; parasympathetic

Question 13

Parasympathetic stimulation of the ciliary muscles allows one to see close-up objects.

Accepted Answer

A) True 
 B)False

Question 14

The somatic nervous system can both excite and inhibit effectors.

Accepted Answer

A) True 
 B)False

Question 15

There are ________ prevertebral ganglia.

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  12 
A)  2 
B)  3 
C)  4 
D)  5 
E)  12

Question 16

Specific prevertebral ganglia are named after the

Accepted Answer

A)  effector organ stimulated by the postganglionic axon. 
B)  major abdominal arteries around which they are found. 
C)  vertebra from under which the preganglionic axon travels. 
D)  distance from the corresponding parasympathetic ganglion. 
E)  early anatomist who discovered and described them. 
A)  effector organ stimulated by the postganglionic axon. 
B)  major abdominal arteries around which they are found. 
C)  vertebra from under which the preganglionic axon travels. 
D)  distance from the corresponding parasympathetic ganglion. 
E)  early anatomist who discovered and described them.

Question 17

When neurotransmitter binds to muscarinic receptors on smooth muscle cells in the gastrointestinal tract,

Accepted Answer

A)  motility increases. 
B)  motility decreases. 
A)  motility increases. 
B)  motility decreases.

Question 18

The preganglionic axons of CN III extend to the ________ ganglion.

Accepted Answer

A)  pterygopalatine 
B)  submandibular 
C)  otic 
D)  pelvic 
E)  ciliary 
A)  pterygopalatine 
B)  submandibular 
C)  otic 
D)  pelvic 
E)  ciliary

Question 19

Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia, as well as preganglionic axons from the vagus nerve?

Accepted Answer

A)  Esophageal plexus 
B)  Pulmonary plexus 
C)  Abdominal aortic plexus 
D)  Hypogastric plexus 
E)  Cardiac plexus 
A)  Esophageal plexus 
B)  Pulmonary plexus 
C)  Abdominal aortic plexus 
D)  Hypogastric plexus 
E)  Cardiac plexus

Question 20

Which of the following is correct about the autonomic nervous system (ANS)?

Accepted Answer

A)  The ANS is part of both the CNS and the PNS. 
B)  ANS functions are involuntary. 
C)  ANS motor neurons innervate cardiac muscle fibers, smooth muscle fibers, and glands. 
D)  ANS motor pathways always include two neurons. 
E)  All of the choices are correct. 
A)  The ANS is part of both the CNS and the PNS. 
B)  ANS functions are involuntary. 
C)  ANS motor neurons innervate cardiac muscle fibers, smooth muscle fibers, and glands. 
D)  ANS motor pathways always include two neurons. 
E)  All of the choices are correct.

Exam 15: Nervous System: Autonomic Nervous System

The sympathetic preganglionic neuron cell bodies are housed in the ________ horn of the appropriate thoracolumbar regions of the spinal cord.

Select all that are examples of how autonomic reflexes help maintain homeostasis.

Postganglionic axons of the parasympathetic branch of the ANS cause increased secretion by the lacrimal glands.

Stimulation of β2 receptors in the lung causes

The postganglionic parasympathetic fibers that are controlled by pelvic splanchnic nerves innervate the A: Large intestine B: Reproductive organs C: Salivary glands D: Pupillary constrictor muscles E: Urinary bladder F: Ureters

The lack of extensive divergence of parasympathetic preganglionic axons prevents the mass activation seen in the sympathetic division.

Muscarinic receptors are proteins that bind the neurotransmitter

The cardiac sphincter is innervated by parasympathetic axons coming from the ________ plexus.

Many different neurons can stimulate an autonomic ganglion cell simultaneously due to

Sympathetic splanchnic nerves are composed of

The sympathetic and parasympathetic systems have ________ effects on heart rate.

Consider a basketball player whose heart is racing during the final moments of a game. With seconds on the clock, she makes a jump shot. Her excitement is a function of her ________ nervous system, and her movements are a function of her ________ nervous system.

Parasympathetic stimulation of the ciliary muscles allows one to see close-up objects.

The somatic nervous system can both excite and inhibit effectors.

There are ________ prevertebral ganglia.

Specific prevertebral ganglia are named after the

When neurotransmitter binds to muscarinic receptors on smooth muscle cells in the gastrointestinal tract,

The preganglionic axons of CN III extend to the ________ ganglion.

Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia, as well as preganglionic axons from the vagus nerve?

Which of the following is correct about the autonomic nervous system (ANS)?

The Sciences of Anatomy and Physiology

Atoms, Ions, and Molecules

Energy, Chemical Reactions, and Cellular Respiration

Biology of the Cell

Tissue Organization

Integumentary System

Skeletal System: Bone Structure and Function

Skeletal System: Axial and Appendicular Skeleton

Skeletal System: Articulations

Muscle Tissue

Muscular System: Axial and Appendicular Muscles

Nervous System: Nervous Tissue

Nervous System: Brain and Cranial Nerves

Nervous System: Spinal Cord and Spinal Nerves

Nervous System: Senses

Endocrine System

Cardiovascular System: Blood

Cardiovascular System: Heart

Cardiovascular System: Vessels and Circulation

Lymphatic System

Immune System and the Bodys Defense

Respiratory System

Urinary System

Fluid and Electrolytes

Digestive System

Nutrition and Metabolism

Reproductive System

Development, Pregnancy, and Heredity

Filters

Stimulation of β₂ receptors in the lung causes

Consider a basketball player whose heart is racing during the final moments of a game. With seconds on the clock, she makes a jump shot. Her excitement is a function of her nervous system, and her movements are a function of her nervous system.