Anatomy test bank chapter 16
________ reflexes perform the simplest functions of the autonomic nervous
system.
A) Somatic
B) Cranial
C) Spinal
D) Visceral
E) Consensual - ANS - D) Visceral
\A certain drug decreases heart rate by blocking a receptor on cardiac pacemaker
cells. This drug probably binds to ________ receptors.
A) nicotinic cholinergic
B) muscarinic cholinergic
C) alpha-1 adrenergic
D) alpha-2 adrenergic
E) beta-1 adrenergic - ANS - E) beta-1 adrenergic
\A decrease in the autonomic tone of the smooth muscle in a blood vessel would
result in
A) no change in vessel diameter.
B) a decrease in vessel diameter.
C) oscillation in vessel diameter.
D) a decrease in blood flow through the vessel.
E) an increase in blood flow through the vessel. - ANS - E) an increase in blood
flow through the vessel.
\A doctor places drops in the eyes to dilate the pupils for an examination. The
type of drug that is used is a(n) ________ drug.1. sympathomimetic2.
parasympathomimetic
3. adrenergic activating 4. cholinergic activating
A) 1, 2
B) 3
C) 4
D) 1, 3
E) 2, 4 - ANS - D) 1, 3
\A pedestrian narrowly avoids being hit by an oncoming car. He notices that it
takes a little while for his heart rate and respiratory rate to return to normal. This
is likely because
A) the parasympathetic nervous system has become activated
,B) sympathetic activation of the adrenal medulla has released epinephrine and
norepinephrine into the bloodstream.
C) the splanchnic nerves have become activated.
D) somatic motor neurons have increased the heart and respiratory rate.
E) the corticospinal pathway has become activated. - ANS - B) sympathetic
activation of the adrenal medulla has released epinephrine and norepinephrine
into the bloodstream.
\A state of unconsciousness in which an individual cannot be aroused even by
strong stimuli is
A) somnolence.
B) sleep.
C) stupor.
D) coma.
E) a chronic vegetative state. - ANS - D) coma.
\A visceral motor neuron whose cell body is within the CNS is called
a(n)________ neuron.
A) upper motor
B) lower motor
C) preganglionic
D) postganglionic
E) somatomotor - ANS - C) preganglionic
\All parasympathetic neurons are A) adrenergic.
B) cholinergic.
C) nitroxidergic.
D) gamma-aminobutyric.
E) dopaminergic. - ANS - B) cholinergic.
\Almost 75 percent of all parasympathetic outflow travels along the ________
nerve(s).
A) splanchnic
B) facial
C) vagus
D) glossopharyngeal
E) trigeminal - ANS - C) vagus
\Alzheimer's disease is characterized by all of the following except that it
A) is the most common cause of senile dementia.
B) is characterized by a progressive loss of memory.
C) has a clear genetic basis.
D) is associated with the formation of plaques and neurofibrillary tangles.
E) may be associated with damage to the nucleus basalis. - ANS - C) has a clear
genetic basis.
, \An age-related decline in mental function characterized by difficulties with spatial
orientation, memory, language, and personality is called
A) delirium agitans.
B) senile dementia.
C) persistent vegetative state.
D) somnolence of the aged.
E) progressive cerebral dysfunction. - ANS - B) senile dementia.
\An inhaler used to treat airway constriction in asthma or allergy might contain a
drug that
A) activates β1 adrenergic receptors.
B) activates β2 adrenergic receptors.
C) activates muscarinic cholinergic receptors.
D) blocks β2 adrenergic receptors.
E) activates β2 adrenergic receptors or activates muscarinic cholinergic
receptors. - ANS - B) activates β2 adrenergic receptors.
\As the result of an accident, the white rami communicantes of spinal nerves T1
and T2 on
the left side of Brad's body are severed. What organ(s) would you expect to be
affected by this injury?
A) left pupil
B) right pupil
C) heart
D) both pupils
E) left pupil and heart - ANS - E) left pupil and heart
\Autonomic disorders would not cause
A) excessive perspiration.
B) appetite.
C) sexual arousal.
D) problems in maintenance of blood pressure.
E) problems related to skeletal muscle function. - ANS - E) problems related to
skeletal muscle function.
\Autonomic tone is an important aspect of ANS function because it
A) allows ANS neurons to be silent under normal conditions.
B) allows ANS neurons to increase activity on demand but not decrease their
activity.
C) allows ANS neurons to decrease their activity on demand but not increase
their activity.
D) allows ANS neurons to increase or decrease their activity, providing a range of
control options.
________ reflexes perform the simplest functions of the autonomic nervous
system.
A) Somatic
B) Cranial
C) Spinal
D) Visceral
E) Consensual - ANS - D) Visceral
\A certain drug decreases heart rate by blocking a receptor on cardiac pacemaker
cells. This drug probably binds to ________ receptors.
A) nicotinic cholinergic
B) muscarinic cholinergic
C) alpha-1 adrenergic
D) alpha-2 adrenergic
E) beta-1 adrenergic - ANS - E) beta-1 adrenergic
\A decrease in the autonomic tone of the smooth muscle in a blood vessel would
result in
A) no change in vessel diameter.
B) a decrease in vessel diameter.
C) oscillation in vessel diameter.
D) a decrease in blood flow through the vessel.
E) an increase in blood flow through the vessel. - ANS - E) an increase in blood
flow through the vessel.
\A doctor places drops in the eyes to dilate the pupils for an examination. The
type of drug that is used is a(n) ________ drug.1. sympathomimetic2.
parasympathomimetic
3. adrenergic activating 4. cholinergic activating
A) 1, 2
B) 3
C) 4
D) 1, 3
E) 2, 4 - ANS - D) 1, 3
\A pedestrian narrowly avoids being hit by an oncoming car. He notices that it
takes a little while for his heart rate and respiratory rate to return to normal. This
is likely because
A) the parasympathetic nervous system has become activated
,B) sympathetic activation of the adrenal medulla has released epinephrine and
norepinephrine into the bloodstream.
C) the splanchnic nerves have become activated.
D) somatic motor neurons have increased the heart and respiratory rate.
E) the corticospinal pathway has become activated. - ANS - B) sympathetic
activation of the adrenal medulla has released epinephrine and norepinephrine
into the bloodstream.
\A state of unconsciousness in which an individual cannot be aroused even by
strong stimuli is
A) somnolence.
B) sleep.
C) stupor.
D) coma.
E) a chronic vegetative state. - ANS - D) coma.
\A visceral motor neuron whose cell body is within the CNS is called
a(n)________ neuron.
A) upper motor
B) lower motor
C) preganglionic
D) postganglionic
E) somatomotor - ANS - C) preganglionic
\All parasympathetic neurons are A) adrenergic.
B) cholinergic.
C) nitroxidergic.
D) gamma-aminobutyric.
E) dopaminergic. - ANS - B) cholinergic.
\Almost 75 percent of all parasympathetic outflow travels along the ________
nerve(s).
A) splanchnic
B) facial
C) vagus
D) glossopharyngeal
E) trigeminal - ANS - C) vagus
\Alzheimer's disease is characterized by all of the following except that it
A) is the most common cause of senile dementia.
B) is characterized by a progressive loss of memory.
C) has a clear genetic basis.
D) is associated with the formation of plaques and neurofibrillary tangles.
E) may be associated with damage to the nucleus basalis. - ANS - C) has a clear
genetic basis.
, \An age-related decline in mental function characterized by difficulties with spatial
orientation, memory, language, and personality is called
A) delirium agitans.
B) senile dementia.
C) persistent vegetative state.
D) somnolence of the aged.
E) progressive cerebral dysfunction. - ANS - B) senile dementia.
\An inhaler used to treat airway constriction in asthma or allergy might contain a
drug that
A) activates β1 adrenergic receptors.
B) activates β2 adrenergic receptors.
C) activates muscarinic cholinergic receptors.
D) blocks β2 adrenergic receptors.
E) activates β2 adrenergic receptors or activates muscarinic cholinergic
receptors. - ANS - B) activates β2 adrenergic receptors.
\As the result of an accident, the white rami communicantes of spinal nerves T1
and T2 on
the left side of Brad's body are severed. What organ(s) would you expect to be
affected by this injury?
A) left pupil
B) right pupil
C) heart
D) both pupils
E) left pupil and heart - ANS - E) left pupil and heart
\Autonomic disorders would not cause
A) excessive perspiration.
B) appetite.
C) sexual arousal.
D) problems in maintenance of blood pressure.
E) problems related to skeletal muscle function. - ANS - E) problems related to
skeletal muscle function.
\Autonomic tone is an important aspect of ANS function because it
A) allows ANS neurons to be silent under normal conditions.
B) allows ANS neurons to increase activity on demand but not decrease their
activity.
C) allows ANS neurons to decrease their activity on demand but not increase
their activity.
D) allows ANS neurons to increase or decrease their activity, providing a range of
control options.
