Download Spring 03

Systemic Anatomy Exam V
Prepared especially for the Trimester One Class, Spring 2003
Please place the single best answer for each of the following questions unless the question is marked by the
letters, MACA, in which you should mark all correct answers. There will be no questions once the exam begins
as interpretation of the question is a part of the examination.
FORM A
1) Which of the following is NOT innervated by GVE neurons?
a) multiunit smooth muscle cell
b) skeletal muscle cell
c) glandular epithelium
d) single unit smooth muscle cell
e) cardiac muscle cell
2) In which of the following locations would I NOT find a preganglionic neuron cell body? (MACA)
a) lateral horn of the spinal cord
b) brain stem
c) adrenal medulla
d) sacral segments S2,3,4
e) prevertebral ganglia
3) Splanchnic nerves are found ____ the diaphragm.
a) above
b) below
4) Sympathetic GVE neurons emerge from the spinal cord in ______ roots of the spinal nerve.
a) the dorsal
b) the ventral
c) both dorsal and ventral roots
5) Sympathetic preganglionic neuron fibers exit the spinal nerve via ____ to enter the paravertebral ganglia.
a) the white rami communicantes
b) the gray rami communicantes
c) both the white and gray rami communicantes
6) Splanchnic nerves typically synapse in ______ ganglia.
a) paravertebral ganglia
b) prevertebral ganglia
c) terminal ganglia
7) Gray rami communicantes are found associated with ____ .
a) T1 through L2 spinal nerves
b) C1 through T12 spinal nerves
c) all spinal nerves
d) only those spinal nerves below the diaphragm
e) sacral segments S2,3,4
page 1, SA Exam V, Q.# 1-7
8) What neurotransmitter(s) is released from preganglionic sympathetic neurons?
a) epinephrine
b) acetylcholine
c) norepinephrine
d) two of the above
9) What enzyme inactivates the neurotransmitter released from preganglionic sympathetic neurons?
a) MAO
b) COMT
c) acetylcholinesterase
d) two of the above
10) Which of the following is not considered a catecholamine?
a) dopamine
b) epinephrine
c) acetylcholine
d) norepinephrine
11) Choose the INCORRECT statement concerning epinephrine.
a) is a positive chronotropic agent
b) will cause miosis
c) will cause blood glucose levels to rise
d) will cause cutaneous vasoconstriction
e) will cause bronchodilation
12) Which of the following tissues are innervated by cholinergic postganglionic sympathetic axons? (MACA)
a) smooth muscle of the eye
b) eccrine sweat glands
c) apocrine sweat glands
d) blood vessels in skeletal muscle resulting in dilation
e) pilo erector muscles
13) Which of the following are considered cholinergic neurons? (MACA)
a) parasympathetic preganglionic neurons
b) parasympathetic postganglionic neurons
c) sympathetic preganglionic neurons
d) sympathetic postganglionic neurons innervating the heart
e) sympathetic postganglionic neurons innervating the smooth muscle of the gut
14) The cranial portion of the parasympathetic nervous system innervates which of the following structures?
(MACA)
a) the salivary glands
b) the lacrimal glands
c) smooth muscles of the eye
d) the heart
e) the reproductive organs
page 2, SA Exam V, Q.# 8-14
15) Which of the following cranial nerves transmits GVE fibers? (MACA)
a) CN IV
b) CN V
c) CN VII
d) CN III
e) CN IX
16) Parasympathetic GVE fibers are carried in which of the following spinal nerves?
a) T1 – L2
b) C2-C4
c) T12 – L5
d) splanchnic
e) none of the above
17) Where are the nuclei that give rise to parasympathetic GVE fibers located in the CNS?
a) lateral horn of the spinal column T1 – L2
b) sacral segments S2,3,4
c) cerebellum
d) brain stem
e) cerebrum
18) Preganglionic fibers from cell bodies located in the ____ are conveyed by the oculomotor nerve and
synapse in the _____ ganglion.
a) superior salivatory nucleus; sphenopalatine
b) dorsal motor nucleus; terminal
c) Edinger Westphall nucleus; ciliary
d) inferior salivatory nucleus; otic
e) posterior salivatory; superior cervical
19) Postganglionic neurons of the oculomotor nerve innervates which of the following structures? (MACA)
a) smooth muscles of the eye causing miosis
b) smooth muscles of the eye causing mydriasis
c) salivary glands causing secretion
d) heart slowing the rate
e) smooth muscles of the eye responsible for accommodation
20) Preganglionic fibers from cell bodies located in the ____ are conveyed by the facial nerve and synapse in
the _____ ganglion.
a) superior salivatory nucleus; sphenopalatine
b) dorsal motor nucleus; terminal
c) Edinger Westphall nucleus; ciliary
d) inferior salivatory nucleus; otic
e) posterior salivatory; superior cervical
21) Postganglionic neurons of the facial nerve innervates which of the following structures? (MACA)
a) smooth muscles of the eye causing miosis
b) sublingual salivary gland
c) parotid salivary gland
d) lacrimal gland
e) the heart slowing rate
page 3, SA Exam V, Q.# 15-21
22) Preganglionic fibers from cell bodies located in the ____ are conveyed by the glossopharyngeal nerve and
synapse in the _____ ganglion.
a) superior salivatory nucleus; sphenopalatine
b) dorsal motor nucleus; terminal
c) Edinger Westphall nucleus; ciliary
d) inferior salivatory nucleus; otic
e) posterior salivatory; superior cervical
23) Postganglionic neurons of the glossopharyngeal nerve innervates which of the following structures?
a) smooth muscles of the eye causing miosis
b) sublingual salivary gland
c) parotid salivary gland
d) lacrimal gland
e) the heart slowing rate
24) Preganglionic fibers from cell bodies located in the ____ are conveyed by the vagus nerve and synapse in
the _____ ganglion.
a) superior salivatory nucleus; sphenopalatine
b) dorsal motor nucleus; terminal
c) Edinger Westphall nucleus; ciliary
d) inferior salivatory nucleus; otic
e) posterior salivatory; superior cervical
25) Postganglionic neurons of the vagus nerve innervates which of the following structures? (MACA)
a) the heart
b) the smooth muscles of the eye
c) the parotid salivary gland
d) glands of the stomach
e) the glands of the bronciholes
26) Neurotransmitters cross the synaptic cleft by what process?
a) active transport
b) passive diffusion
c) facilitated diffusion
d) osmosis
e) none of the above
27) Which of the following tissues contain nicotinic receptors? (MACA)
a) cardiac muscle cells
b) postganglionic neurons
c) smooth muscle cells
d) myoneural junction of skeletal muscle
e) glandular epithelium
28) Stimulation of nicotinic receptors would have which of the following effects? (MACA)
a) release of norepinephrine from postganglionic sympathetic neurons
b) release of acetylcholine from postganglionic parasympathetic neurons
c) contraction of skeletal muscle fiber
d) release of acetylcholine form postganglionic sympathetic cholinergic fibers
page 4, SA Exam V, Q.# 22-28
29) Stimulation of muscarinic receptors would have which of the following effects? (MACA)
a) miosis
b) mydriasis
c) increase heart rate
d) decrease heart rate
e) increase peristalsis
30) Choose the INCORRECT match.
a) pediculosis – infestation with lice
b) plumbism – chronic lead poisoning
c) pruritus – inflammation of the pleura
d) taxis – movement
e) syncope – to faint
31) Choose the INCORRECT match.
a) virulence – level of pathogenicity
b) myringotomy – to puncture the ear drum
c) pathognomonic – disease of the nasal passages
d) hypercapnia – increased levels of CO2 in the blood stream
e) palsy - paralysis
32) What effect would a muscarinic blocking agent like atropine have upon heart rate?
a) speed it up
b) slow it down
c) no effect
33) Why would you be unable to focus your vision on objects near to you after your eyes have been dilated in
the ophthalmologists office with an anticholinergic drug?
a) paralysis of the radial muscles of the iris
b) disruption in the axoplasmic flow of the optic nerve
c) paralysis of the ciliary muscles of the eye (muscles of accommodation)
d) paralysis of the extrinsic ocular muscles
e) none of the above
34) Parasympathetic fibers to sweat glands on the medial aspect of the foot would arise from which spinal
segments?
a) T11-T12
b) L1-L4
c) L5, S1,2,3
d) S4
e) none of the above
35) Preganglionic sympathetic axons are ____ and postganglionic axons are ___ in length comparatively.
a) long; short
b) short; long
c) long; long
d) short; short
36) What direct effect does the ANS have upon skeletal muscle fibers?
a) cause contraction
b) cause dilation
c) no effect
page 5, SA Exam V, Q.# 29-36
37) Epinephrine would have all but which one of the following effects upon the body?
a) tachycardia
b) positive inotrope
c) decrease peristalsis
d) bronchodilate
e) miosis
38) What effect would bilaterally cutting the vagus nerves have upon heart rate?
a) tachycardia
b) bradycardia
c) no effect
39) What effect would a positive chronotropic drug have upon the heart?
a) tachycardia
b) bradycardia
c) no effect
40) Stimulation of adrenergic receptors would have all but which one of the following effects?
a) tachycardia
b) bronchodilate
c) decrease release of norepinephrine
d) penile erection
e) mydriasis
41) Stimulation of alpha receptors would have what effect upon blood pressure?
a) increase it
b) decrease it
c) no effect
42) Beta blockers have what effect upon heart rate?
a) increase it
b) decrease it
c) no effect
43) Blood pressure = (peripheral resistance) x (_______).
a) the length of blood vessels
b) the viscosity of blood
c) the heart rate
d) the diameter of blood vessels
44) The _____ valves are closed during ventricular systole.
a) atrioventricular
b) semilunar
45) The chordae tendonae directly attach the free edges of the valves to the ______.
a) papillary muscles
b) trabeculae carnae
c) pectinate muscles
d) base of the valves
e) sinoatrial node
page 6, SA Exam V, Q.# 37-45
46) Blood flows from the right ventricle directly into the _______.
a) aorta
b) pulmonary trunk
c) inferior vena cava
d) superior vena cava
47) The contractile impulse travels from the SA node to the internodal fibers directly to the _____.
a) atrioventricular node
b) Purkinje fibers
c) apex of the heart
d) bundle of His
e) interseptal fibers
48) Where is the sinoatrial node of the heart located?
a) the left atrium
b) the left ventricle
c) the right atrium
d) the right ventricle
49) Which of the following fibers carry the conduction impulse from the apex of the ventricles up toward the
base of the heart?
a) internodal fibers
b) AV bundle (of His)
c) right bundle branch
d) left bundle branch
e) Purkinje fibers
50) The subclavian artery becomes the axillary artery once it passes what structure?
a) the teres minor muscle
b) the teres major muscle
c) the first rib
d) the clavicle
e) the head of the humerus
page 7, SA Exam V, Q. # 46-50
The end of exam 5, Your grades will be emailed to you by the close of the day. See you tomorrow.