MEDSCI 142 Final Exam Questions With All Solved Solutions.
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Module
Medsci 142
Institution
Medsci 142
The cerebral hemispheres are connected internally by the: - Answer corpus callosum
The primary motor area of the cerebral cortex is located in the: - Answer precentral gyrus
Lower motor neurons are located in the: - Answer ventral horn of the spinal cord
The primary somatosensory ...
MEDSCI 142 Final Exam Questions With
All Solved Solutions.
The cerebral hemispheres are connected internally by the: - Answer corpus callosum
The primary motor area of the cerebral cortex is located in the: - Answer precentral gyrus
Lower motor neurons are located in the: - Answer ventral horn of the spinal cord
The primary somatosensory cortex is located in the: - Answer parietal Lobe
The factor most affecting the rate of impulse conduction is the: - Answer presence or absence of a
myelin sheath
The cell bodies of first-order neurons in the posterior column-medial lemniscus pathway to the cortex
are located in the: - Answer posterior root ganglia of spinal nerves
The medial lemniscus is a projection tract of second-order neurons extending from the: - Answer
medulla to the thalamus
What symptoms results from a lesion of the primary motor cortex on the left side of the brain? - Answer
a spastic paralysis on the right side of the body
The compound that most often acts as a second messenger is: - Answer cyclic AMP
What is the neurotransmitter is used by pre-ganglionic nerve axons of both the sympathetic and
parasympathetic divisions of the autonomic nervous system? - Answer Acetylcholine
What connects the hypothalamus to the pituitary gland? - Answer the infundibulum
,After a satisfying lunch, you are likely to experience the results of: - Answer Upregulated
parasympathetic system activation
Releasing and inhibiting hormones are produced by the: - Answer hypothalamus to control the anterior
pituitary
The specific effect of a water-soluble hormone on a target cell depends on the: - Answer specific
protein kinase activated.
When a steroid hormone binds to its target cell receptor, it: - Answer turns specific genes of the
nuclear DNA on or off.
The anterior pituitary gland: - Answer synthesises at least 7 different hormones critical in the regulation
of all aspects of homeostasis
During your rat dissection lab, which of the following structures had the most vascular appearance?
a) The spleen
b) The pancreas
c) The Stomach
d) The liver - Answer The spleen
The duodenum receives material from which three organs? - Answer stomach, liver & pancreas
During a rat dissection, a student encounters a tubular part of the gut. The student observes that most
of this tubular section lies outside the abdominal cavity, and she is told that transport is the main
function of the section. Little absorption or secretion occurs there. Is the following statement true "it
does not receive secretions from either the liver or the pancreas"? - Answer TRUE
Which organ is NOT associated with the digestive system?
a) the oesophagus
,b) the spleen
c) the pancreas
d) the stomach - Answer spleen
The frontal lobe of the brain contains:
a) Wernicke's area
b) Supramarginal gyrus
c) Broca's area
d) Calcarine sulcus - Answer Broca's area
First-order sensory neurons conduct impulses from: - Answer a receptor to the CNS
The posterior (dorsal) root ganglion is: - Answer NOT THE the roots of spinal nerves hanging inferiorly
from the inferior end of the spinal cord in the vertebral column.
Cell bodies of motor neurons to skeletal muscles are located in the: - Answer anterior gray horns
Third-order sensory neurons in the posterior column-medial lemniscus pathway extend from the: -
Answer thalamus to the somatosensory area of the cerebral cortex
Paracrines are: - Answer local hormones that act on neighboring cells
Lipid soluble hormones: - Answer must dissociate from a transporter protein in order to leave the
blood stream
A person with a chronically activated sympathetic autonomic nervous system pathway is likely to have all
of the following EXCEPT: - Answer elevated rate of salivation
Identify the organ that is NOT associated with the peritoneum in the Rat. - Answer gall bladder
, For food to be able to pass along the gastrointestinal (GI) tract, the correct order of the organs is: -
Answer oesophagus - stomach - small intestine - caecum - colon - rectum - anus
Which of the following structures are you most likely to find in the rat? - Answer adrenal gland
A person with a chronically activated sympathetic autonomic nervous system pathway is likely to have all
of the following EXCEPT: - Answer elevated rate of salivation
The cell bodies of upper motor neurons are: - Answer NOT THE located in the ventral horn of the spinal
cord OR located in the basal ganglia
The part of a spinal nerve that contains only efferent fibres is the: - Answer ventral root.
Fine control of body motor coordination and balance is a function of the: - Answer cerebellum
The medial lemniscus: - Answer is located in the brainstem.
If a stroke caused damage to the posterior third of the inferior frontal gyrus in the left hemisphere, what
would the expected result be? - Answer Motor/Expressive aphasia
During the rat dissection laboratory you learned the location of various organs within the thorax and
abdomen. In the list of organs which follow, four are located close together and one is remote. Which is
the remote organ? - Answer caecum
Which of the following statements about the rat liver is correct? - Answer NOT THE Like the stomach
and intestine, its blood supply is entirely from systemic arteries. OR Most of the liver lies on the same
side of the body as the pancreas.
The temporal lobe of the brain contains: - Answer Wernicke's area
Afferent nerves conduct nerve impulses from: - Answer NOT THE one effector to another.
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