Question 1

Which of the following is not a reason that somatic reflexes act faster than visceral reflexes?

Accepted Answer

A)  The effector pathway in the somatic reflex arc is myelinated. 
B)  The effector pathway in the visceral reflex arc involves more neurons. 
C)  The effector pathway in the visceral reflex arc involves more chemical synapses. 
D)  Some of the neurons in the effector pathway in the visceral reflex arc are unmyelinated. 
E)  The effector organs in the somatic reflex are closer to the spinal cord. 
A)  The effector pathway in the somatic reflex arc is myelinated. 
B)  The effector pathway in the visceral reflex arc involves more neurons. 
C)  The effector pathway in the visceral reflex arc involves more chemical synapses. 
D)  Some of the neurons in the effector pathway in the visceral reflex arc are unmyelinated. 
E)  The effector organs in the somatic reflex are closer to the spinal cord.

Question 2

The autonomic nervous system is composed of ganglia in the central nervous system and ganglia in the periphery.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is not a feature of the sympathetic division of the ANS?

Accepted Answer

A)  It originates in the thoracolumbar region of the spinal cord. 
B)  It has long postganglionic fibers. 
C)  It has long preganglionic fibers. 
D)  Its ganglia are adjacent to the spinal column. 
E)  It has an extensive neural divergence and a relative widespread effect. 
A)  It originates in the thoracolumbar region of the spinal cord. 
B)  It has long postganglionic fibers. 
C)  It has long preganglionic fibers. 
D)  Its ganglia are adjacent to the spinal column. 
E)  It has an extensive neural divergence and a relative widespread effect.

Question 4

The autonomic nervous system controls all of the following except the __________.

Accepted Answer

A)  adrenal gland 
B)  smooth muscle in the walls of the aorta 
C)  cardiac muscle in the right atrium 
D)  skeletal muscle in the rectus abdominis 
E)  parotid salivary gland 
A)  adrenal gland 
B)  smooth muscle in the walls of the aorta 
C)  cardiac muscle in the right atrium 
D)  skeletal muscle in the rectus abdominis 
E)  parotid salivary gland

Question 5

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

Accepted Answer

A)  no 
B)  one 
C)  two 
D)  three 
E)  four 
A)  no 
B)  one 
C)  two 
D)  three 
E)  four

Question 6

Vasomotor tone is controlled by using the sympathetic division for vasodilation and the parasympathetic division for vasoconstriction.

Accepted Answer

A) True 
 B)False

Question 7

Propranolol,a beta-blocker,is typically used to __________.

Accepted Answer

A)  increase heart rate 
B)  decrease heart rate 
C)  produce vasoconstriction of the coronary arteries 
D)  produce vasodilation of blood vessels of skeletal muscle 
E)  produce bronchodilation 
A)  increase heart rate 
B)  decrease heart rate 
C)  produce vasoconstriction of the coronary arteries 
D)  produce vasodilation of blood vessels of skeletal muscle 
E)  produce bronchodilation

Question 8

Under normal circumstances,both divisions of the autonomic nervous system are active simultaneously.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is not under dual control of the ANS?

Accepted Answer

A)  Pupil diameter 
B)  Heart rate 
C)  Salivary gland activity 
D)  Adrenal medulla activity 
E)  Gastrointestinal motility 
A)  Pupil diameter 
B)  Heart rate 
C)  Salivary gland activity 
D)  Adrenal medulla activity 
E)  Gastrointestinal motility

Question 10

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

Accepted Answer

A)  activate the parasympathetic division and allow for normal digestive system activities 
B)  block ACh receptors on skeletal muscle and cause flaccid paralysis 
C)  stimulate β-2 receptors and cause an increase in heart rate and dilation of bronchioles 
D)  decrease the amount of NE destroyed and may be used as an antidepressant 
E)  inhibit uptake of dopamine and cause depression 
A)  activate the parasympathetic division and allow for normal digestive system activities 
B)  block ACh receptors on skeletal muscle and cause flaccid paralysis 
C)  stimulate β-2 receptors and cause an increase in heart rate and dilation of bronchioles 
D)  decrease the amount of NE destroyed and may be used as an antidepressant 
E)  inhibit uptake of dopamine and cause depression

Question 11

Most autonomic efferent pathways involve one neuron.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

A)  acetylcholine (ACh) 
B)  norepinephrine (N
E)  
C)  muscarine 
D)  alpha adrenaline 
E)  nicotine 
A)  acetylcholine (ACh) 
B)  norepinephrine (N
E)  
C)  muscarine 
D)  alpha adrenaline 
E)  nicotine

Question 13

Which of the following structures is not associated with the autonomic nervous system?

Accepted Answer

A)  Preganglionic neuron 
B)  Postganglionic neuron 
C)  Splanchnic nerve 
D)  Oculomotor nerve 
E)  All of these are associated with the autonomic nervous system. 
A)  Preganglionic neuron 
B)  Postganglionic neuron 
C)  Splanchnic nerve 
D)  Oculomotor nerve 
E)  All of these are associated with the autonomic nervous system.

Question 14

__________ nerve(s)pass(es)throughout sympathetic ganglia without synapsing.

Accepted Answer

A)  Facial 
B)  Trigeminal 
C)  Vagus 
D)  Celiac 
E)  Splanchnic 
A)  Facial 
B)  Trigeminal 
C)  Vagus 
D)  Celiac 
E)  Splanchnic

Question 15

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

Accepted Answer

A)  Alpha 1 adrenergic receptor 
B)  Nicotinic receptor 
C)  Muscarinic receptor 
D)  Alpha 2 adrenergic receptor 
E)  Beta receptor 
A)  Alpha 1 adrenergic receptor 
B)  Nicotinic receptor 
C)  Muscarinic receptor 
D)  Alpha 2 adrenergic receptor 
E)  Beta receptor

Question 16

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

Accepted Answer

A)  acetylcholine;excite 
B)  norepinephrine;excite 
C)  monoamine oxidase;inhibit 
D)  acetylcholine;inhibit 
E)  acetylcholinesterase;excite 
A)  acetylcholine;excite 
B)  norepinephrine;excite 
C)  monoamine oxidase;inhibit 
D)  acetylcholine;inhibit 
E)  acetylcholinesterase;excite

Question 17

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

Accepted Answer

A)  blood clotting 
B)  blood flow to the skeletal muscles 
C)  sweating 
D)  hair erection 
E)  gastrointestinal motility 
A)  blood clotting 
B)  blood flow to the skeletal muscles 
C)  sweating 
D)  hair erection 
E)  gastrointestinal motility

Question 18

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

Accepted Answer

A)  Preganglionic neurons of the sympathetic division 
B)  Postganglionic neurons of the sympathetic division 
C)  Postganglionic neurons of the parasympathetic division 
D)  All motor fibers of the somatic motor system 
E)  Preganglionic neurons of parasympathetic division 
A)  Preganglionic neurons of the sympathetic division 
B)  Postganglionic neurons of the sympathetic division 
C)  Postganglionic neurons of the parasympathetic division 
D)  All motor fibers of the somatic motor system 
E)  Preganglionic neurons of parasympathetic division

Question 19

Preganglionic fibers run from the _________ to the __________.

Accepted Answer

A)  posterior root ganglia;gray matter 
B)  posterior root ganglia;autonomic ganglia 
C)  gray matter;posterior root ganglia 
D)  gray matter;autonomic ganglia 
E)  autonomic ganglia;visceral effectors 
A)  posterior root ganglia;gray matter 
B)  posterior root ganglia;autonomic ganglia 
C)  gray matter;posterior root ganglia 
D)  gray matter;autonomic ganglia 
E)  autonomic ganglia;visceral effectors

Question 20

Sympathetic fibers do not release __________.

Accepted Answer

A)  acetylcholine 
B)  nitric oxide (NO) 
C)  substance P 
D)  neuropeptide Y 
E)  norepinephrine 
A)  acetylcholine 
B)  nitric oxide (NO) 
C)  substance P 
D)  neuropeptide Y 
E)  norepinephrine

Exam 15: The Autonomic Nervous System and Visceral Reflexes

Which of the following is not a reason that somatic reflexes act faster than visceral reflexes?

The autonomic nervous system is composed of ganglia in the central nervous system and ganglia in the periphery.

Which of the following is not a feature of the sympathetic division of the ANS?

The autonomic nervous system controls all of the following except the __________.

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

Vasomotor tone is controlled by using the sympathetic division for vasodilation and the parasympathetic division for vasoconstriction.

Propranolol,a beta-blocker,is typically used to __________.

Under normal circumstances,both divisions of the autonomic nervous system are active simultaneously.

Which of the following is not under dual control of the ANS?

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

Most autonomic efferent pathways involve one neuron.

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

Which of the following structures is not associated with the autonomic nervous system?

__________ nerve(s)pass(es)throughout sympathetic ganglia without synapsing.

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

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

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

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

Preganglionic fibers run from the _________ to the __________.

Sympathetic fibers do not release __________.

Major Themes of Anatomy and Physiology

The Chemistry of Life

Cellular Form and Function

Genetics of Cellular Function

Histology

The Integumentary System

Bone Tissue

The Skeletal System

Joints

The Muscular System

Muscular Tissue

Nervous Tissue

The Spinal Cord,spinal Nerves,and Somatic Reflexes

The Brain and Cranial Nerves

Sense Organs

The Endocrine System

The Circulatory System: Blood

The Circulatory System: Heart

The Circulatory System: Blood Vessels and Circulation

The Lymphatic and Immune Systems

The Respiratory System

The Urinary System

Fluid, electrolyte, and Acidbase Balance

The Digestive System

Nutrition and Metabolism

The Male Reproductive System

The Female Reproductive System

Human Development and Aging

Atlas a General Orientation to Human Anatomy

Filters

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

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

Preganglionic fibers run from the _ to the __.