31) Dual i innervation i refers i to i an i organ i receiving
A) two i nerves i from i the i spinal icord.
B) both i autonomic i and i somatomotor i nerves.
C) both i sympathetic i and i parasympathetic i innervation.
D) nerves i from i both i the i brain iand i the i spinal icord.
E) both iA iand
BiAnswer: i C
i
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
32) Sympathetic i and i parasympathetic i fibers i that i innervate i the i heart i pass i through i the
A) celiac i plexus.
B) hypogastric i plexus.
C) cardiac i plexus.
D) sphenopalatine i ganglia.
E) otic
i ganglia.
Answer: i C
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
33) Control i of i the i diameter i of i the i respiratory i passages i depends i upon
A) sympathetic i stimulation i only.
B) parasympathetic i stimulation i only.
C) somatomotor i stimulation i only.
D) both i parasympathetic i and i sympathetic i levels i of i stimulation.
E) sensory i receptors i sensitive i to i changes i in i lung
ventilation.iAnswer: i D
i
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
34) Autonomic i tone i is i an iimportant i aspect i of i ANS i function i because i it
A) allows i ANS i neurons i to i be i silent i under i normal iconditions.
B) allows i ANS i neurons i to i increase iactivity i on i demand i but i not i decrease i their iactivity.
C) allows i ANS i neurons i to i decrease i their iactivity i on i demand i but i not i increase i their iactivity.
D) allows i ANS i neurons i to i increase i or i decrease i their i activity, i providing i a i range i of i control ioptions.
E) provides i for i a i narrow i range i of icontrol i options i that i keeps i target i tissues iconstantly
active. iAnswer: i D
i
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
35) A i decrease i in i the i autonomic i tone i of i the i smooth i muscle i in ia i blood i vessel i would i result iin
A) an i increase i in i vessel i diameter.
B) a i decrease i in i vessel i diameter.
C) oscillation i in i vessel i diameter.
D) an i increase i in iblood i flow i through i the i vessel.
E) both iA iand
DiAnswer: i E
i
Diff: i2
Skill: i Level i2 iQuestions: iReviewing iConcepts
Page i 411
A) two i nerves i from i the i spinal icord.
B) both i autonomic i and i somatomotor i nerves.
C) both i sympathetic i and i parasympathetic i innervation.
D) nerves i from i both i the i brain iand i the i spinal icord.
E) both iA iand
BiAnswer: i C
i
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
32) Sympathetic i and i parasympathetic i fibers i that i innervate i the i heart i pass i through i the
A) celiac i plexus.
B) hypogastric i plexus.
C) cardiac i plexus.
D) sphenopalatine i ganglia.
E) otic
i ganglia.
Answer: i C
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
33) Control i of i the i diameter i of i the i respiratory i passages i depends i upon
A) sympathetic i stimulation i only.
B) parasympathetic i stimulation i only.
C) somatomotor i stimulation i only.
D) both i parasympathetic i and i sympathetic i levels i of i stimulation.
E) sensory i receptors i sensitive i to i changes i in i lung
ventilation.iAnswer: i D
i
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
34) Autonomic i tone i is i an iimportant i aspect i of i ANS i function i because i it
A) allows i ANS i neurons i to i be i silent i under i normal iconditions.
B) allows i ANS i neurons i to i increase iactivity i on i demand i but i not i decrease i their iactivity.
C) allows i ANS i neurons i to i decrease i their iactivity i on i demand i but i not i increase i their iactivity.
D) allows i ANS i neurons i to i increase i or i decrease i their i activity, i providing i a i range i of i control ioptions.
E) provides i for i a i narrow i range i of icontrol i options i that i keeps i target i tissues iconstantly
active. iAnswer: i D
i
Diff: i1
Skill: i Level i1 iQuestions: iReviewing iFacts iand iTerms
35) A i decrease i in i the i autonomic i tone i of i the i smooth i muscle i in ia i blood i vessel i would i result iin
A) an i increase i in i vessel i diameter.
B) a i decrease i in i vessel i diameter.
C) oscillation i in i vessel i diameter.
D) an i increase i in iblood i flow i through i the i vessel.
E) both iA iand
DiAnswer: i E
i
Diff: i2
Skill: i Level i2 iQuestions: iReviewing iConcepts
Page i 411
