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1) Which of the following is not innervated by the ANS?
A) glands
B) cardiac muscle
C) skeletal muscle
D) smooth muscle
2) Another name for the ANS is the
A) branchial motor system.
C) general peripheral nervous system.
B) general visceral motor system.
D) general somatic motor system.
3) The parasympathetic nervous system is characterized by
A) peripheral ganglia near the organs, and long postganglionic fibers.
B) peripheral ganglia near the spinal cord, and long postganglionic fibers.
C) peripheral ganglia near the spinal cord, and short postganglionic fibers.
D) peripheral ganglia near the organs, and short postganglionic fibers.
4) Which of the following statements concerning the sympathetic division is incorrect?
A) The preganglionic cell bodies form the lateral grey horn in some areas of the
spinal cord.
B) There is a sympathetic trunk ganglion for each of the 31 spinal nerves.
C) It is more complex than the parasympathetic system because it supplies more
structures than the parasympathetic system.
D) There is approximately one chain ganglion for each spinal nerve.
5) The sympathetic system causes
A) increased blood glucose and peristalsis, and decreased heart rate and blood
pressure.
B) decreased blood glucose, heart rate, and blood pressure, and increased
peristalsis.
C) decreased blood glucose and peristalsis, and increased heart rate and blood
pressure.
D) increased blood glucose, heart rate, and blood pressure, and decreased
peristalsis.
6) Which autonomic division increases heart rate?
A) sympathetic
B) cranial
C) somatic
D) parasympathetic
7) The major nerve plexus to the upper limbs is the
A) brachial plexus.
B) lumbar plexus.
C) cervical plexus.
D) sacral plexus.
8) Contraction rate of the diaphragm is controlled by which nerve?
A) trigeminal
B) phrenic
C) vagus
9) A special somatic sensory nerve is the
A) vestibulocochlear.
C) accessory.
D) trochlear
B) facial.
D) trochlear.
10) The cranial nerves whose fibers signal the pharynx to constrict during swallowing
are
A) VI and VII.
B) V and XII.
C) IX and X.
D) I and II.
11) Which of the following is not a joint kinesthetic receptor?
A) Pacini's corpuscles
C) free nerve endings
B) Meissner's corpuscles
D) Ruffini's corpuscles
12) The cranial nerves that have neural connections with the tongue include all of the
following except the
A) glossopharyngeal.
B) facial.
C) accessory.
D) trigeminal.
13) Which of the following nerves does not arise primarily from the brachial plexus?
A) radial
B) median
C) phrenic
D) ulnar
14) Spinal nerves exiting the spinal cord from the level of L4 to about S5 form the
A) thoracic plexus.
C) sacral plexus.
B) femoral plexus.
D) lumbar plexus.
15) The abducens nerve
A) innervates the lateral rectus muscle of the eye.
B) if paralyzed, results in Bell's palsy.
C) exits from the medulla.
D) relays sensory information from the taste buds on the tongue.
16) Spinal nerves are
A) purely sensory nerves.
B) present only in the thoracic region where plexuses are absent.
C) located exclusively in the vertebral canal.
D) present in thirty-one pairs.
17) A person who cannot blink or smile could have damage to which cranial nerve?
A) VII
B) I
C) V
D) III
18) To avoid double vision, which of the following groups of cranial nerves must be
functioning correctly?
A) V, XI, and XII
B) I, IX, and X
C) VII, VIII, and XII
D) III, IV, and VI
19) The only cranial nerve that travels into the abdomen is the
A) glossopharyngeal.
B) vestibulocochlear.
C) vagus.
D) hypoglossal.
20) Disorders of balance may follow trauma to which nerve?
A) abducens
B) trigeminal
C) accessory
D) vestibulocochlear
21) Which of the following structures in the eye are pigmented?
A) lens
B) the retina
C) sclera
D) the cornea
22) Where do tears drain?
A) into the nasal cavity
C) into the Eustachian tube
B) into the lacrimal gland
D) into the pharynx
23) Hair cells are receptor cells for
A) both hearing and equilibrium.
B) smell.
C) taste.
D) fine touch.
24) The middle ear cavity is normally filled with
A) air.
B) perilymph.
C) mucus.
D) endolymph.
25) A "homunculus" can be depicted lying on the precentral gyrus. The reason why the
facial region of this homunculus is so large relates to the fact that
A) our ears are large for hearing.
B) we have very sensitive lips.
C) we have very expressive faces.
D) our eyes are large for seeing.
26) Receptors for hearing are located in the
A) semicircular canals.
C) tympanic membrane.
B) middle ear.
D) cochlea.
27) The sensation of taste involves
A) bending of cilia.
B) photons altering pigment molecules.
C) movement of crystals embedded in gelatinous masses.
D) chemicals binding to microvilli.
28) Nearsightedness is more properly called
A) emmetropia.
B) hyperopia.
C) myopia.
D) presbyopia.
29) The bony labyrinth is located in which portion of the temporal bone?
A) squamous
B) petrous
C) mastoid
D) tympanic
30) The transmission of sound vibrations through the external acoustic meatus occurs
chiefly through
A) nerve fibers.
B) air.
C) bone.
D) fluid.
31) Which of the following controls the amount of light entering the eye?
A) levator palpebrae
B) dilator pupillae
C) ciliary muscle
D) medial rectus
32) It is easy to mix up the terms sulcus and gyrus (on the cerebral cortex). The
difference between these two structures is that
A) a sulcus corresponds to a folia on the cerebellum, while a gyrus corresponds to
a fissure.
B) a sulcus is a groove, and a gyrus is a deeper groove.
C) a sulcus is the same as a fissure on the cerebral cortex, while a gyrus is a lobe.
D) a gyrus is a ridge, and a sulcus is a groove.
33) The cell bodies located in the anterior-most region of the spinal cord’s gray matter
belong to this group.
A) visceral motor
B) visceral sensory
C) somatic motor
D) somatic sensory
34) The function of the blood-brain barrier is to
A) provide an impenetrable barrier between blood and brain, because the brain
gets all its nourishment from the cerebrospinal fluid.
B) prevent all contact between blood-borne molecules and brain tissue.
C) help protect the central nervous system.
D) keep neurons from innervating blood vessels.
35) Cerebrospinal fluid is produced by choroid plexuses in all the following locations
except the
A) fourth ventricle.
B) lateral ventricle.
C) central canal.
D) third ventricle.
36) The sheet of dura mater that separates the right and left cerebral hemispheres is the
A) falx cerebelli.
B) falx cerebri.
C) superior sagittal sinus.
D) tentorium cerebri.
37) Cell bodies of the sensory neurons of the spinal nerves are located in
A) the posterior gray horn of the spinal cord.
B) nuclei of the cranial nerves.
C) the thalamus.
D) the dorsal root ganglia external to the spinal cord.
38) The tough, opaque meningeal layer is the
A) subarachnoid.
C) dura mater.
B) arachnoid.
D) pia mater.
39) Posterior gray horns of the spinal cord consist of
A) motor neurons.
B) cell bodies of interneurons.
C) dorsal roots.
D) sensory ganglia.
40) The cauda equina
A) is a series of nerve roots in the lumbar and sacral region.
B) is confined to the thoracic and cervical segments of the spinal cord.
C) describes the radiating patterns of projection fibers.
D) consists of hair like the tail of a horse.
41) The only one of the meninges that follows the brain surface into a cerebral sulcus is
the
A) alma mater.
B) arachnoid mater.
C) pia mater.
D) dura mater.
42) The main visceral control center of the brain is the
A) cerebral cortex.
B) thalamus.
C) hypothalamus.
D) reticular formation.
43) The brain stem consists of the
A) midbrain only.
B) midbrain, medulla, and pons.
C) cerebrum, pons, midbrain, and medulla.
D) pons, medulla, cerebellum, and midbrain.
44) A receptor that monitors stretch of the patellar tendon can be classified as a
A) nociceptor and proprioceptor.
B) mechanoreceptor and interoceptor.
C) nociceptor and exteroceptor.
D) mechanoreceptor and proprioceptor.
45) A receptor that monitors stretch of the stomach can be classified as a
A) mechanoreceptor and proprioceptor.
B) mechanoreceptor and interoceptor.
C) nociceptor and exteroceptor.
D) nociceptor and proprioceptor.
46) Of the following, the nerve that forms from both the medial and lateral cords of the
brachial plexus is the
A) median.
B) ulnar.
C) musculocutaneous.
D) axillary.
47) Mixed cranial nerves containing both motor and sensory fibers include all of the
following except the
A) vestibulocochlear.
B) trigeminal.
C) vagus.
D) facial.
48) The gastrocnemius muscle is served by the ________ nerve.
A) tibial
B) femoral
C) common peroneal
D) obturator
49) The main nerve to the anterior thigh is the
A) obturator.
B) sciatic.
C) femoral.
50) A lesion to the ulnar nerve causes
A) claw hand.
C) inability to oppose the thumb.
B) wrist drop.
D) the "hand of benediction."
D) sural.