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MEDISCI 142 Questions And Correct Answers
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MEDISCI 142 Questions And Correct Answerswhen you initially began your rat dissection the first serous membrane which you cut
with scissors was the
a) parietal pleura
b) diaphragm
c) parietal peritoneum
d) visceral peritoneum
e) epidermis and dermis - ANSWER c) parietal peritoneum
a lesion involving the supra marginal and angular gyros region on the left hemisphere of
the brain would cause a
a) sensory/fluent aphasia
b) spastic paralysis
c) visual field blindness
d) deficit in reading and writing
e) conduction aphasia - ANSWER d) deficit in reading and writing
the part of a spinal nerve that contains only efferent fibres is the:
a) dorsal root
b) ventral ramus
c) ventral root
d) plexus
e) dorsal ramus - ANSWER c) ventral root
the pyramidal tract has all of the following characteristics, EXCEPT:
,a) passes down the spinal cord as the lateral cortiscospinal tract
b) is responsible for the voluntary control of muscles on the opposite side of the body
c) originates from upper motor neurons in the precentral gyrus
d) whose pathology due to a disease results in flaccid paralysis
e) essentially contains fast conducting myelinated fibres - ANSWER d) whose pathology
due to a disease results in flaccid paralysis
an organ in the rat which manufactures proteins and then releases them both into the
gut and into the blood stream is the:
a) parotid gland
b) spleen
c) pancreas
d) adrenal gland
e) thymus gland - ANSWER c) pancreas
with respect to the digestive system of the rat, which of the following is the correct
statement:
a) bile is stored and concentrated in the gall bladder and released in a pulsatile fashion
b) as chyme leaves the stomach it passes from the duodenum, to the ileum next, then to
the jejunum
c) the liver has exocrine and endocrine functions
d) in the large intestine, content approaching the rectum and semi fluid, whereas
contents leaving the caecum are formed into firm faeces
e) the part of the stomach that stores food is opaque, whereas that portion which
secretes acid and enzymes is thin and transparent - ANSWER c) the liver has exocrine
and endocrine functions
posterior (dorsal) root ganglion is the:
a) a depression in the dorsal aspect of the spinal cord
b) the pointed end of the spinal cord
,c) where the cell bodies of sensory neurons are located
d) the roots of spinal nerves hanging inferiorly from the inferior end of the spinal cord in
the vertebral column
e) an extension of the Pia mater that anchors the spinal cord to the coccyx - ANSWER c)
where the cell bodies of sensory neurons are located
the primary motor area of the cerebral cortex is located in the:
a) temporal lobe
b) occipital lobe
c) precentral gyrus
d) insula
e) postcentral gyrus - ANSWER c) precentral gyrus
cell bodies of motor neurons to skeletal muscles are located in the:
a) posterior white column
b) anterior gray horns
c) central canal
d) anterior white columns
e) lateral gray horns - ANSWER b) anterior gray horns
the basal ganglia includes all of the following structures, EXCEPT:
a) substantia nigra
b) putamen
c) globus pallidus
d) caudate nucleus
e) cerebellum - ANSWER e) cerebellum
which of the following is a characteristic of a ventral root of the spinal cord?
, a) it carries sensation from a specific region of the skin called "dermatome"
b) it carries unmyelinated fibres that conduct pain and temperature sensation
c) it carries myelinated fibres that conduct discriminatory sensation
d) it carries cell bodies of pseudounipolar neurons in a ganglion
e) it contains myelinated axons from the lower motor neurons
structure which prevents you from chocking from the fruit burst lolly is called the:
a) oesophagus
b) upper oesophageal sphincter
c) epiglottis
d) trachea
e) glottis - ANSWER c) epiglottis
an organ which manufactures proteins and then releases them both into the gut and into
the blood stream is the:
a) parotid gland
b) thymus gland
c) pancreas
d) adrenal gland
e) spleen - ANSWER c) pancreas
the temporal lobe of the brain contains:
a) wenicke's area
b) primary motor cortex
c) primary visual cortex
d) broca's area
e) primary somatosensory area - ANSWER a) wenicke's area
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