©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
MEDSCI 142 Exam Questions With Correct
Answers
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
, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
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?
, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
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:
, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
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
12/3/2024 11:27AM
MEDSCI 142 Exam Questions With Correct
Answers
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
, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
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?
, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
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:
, ©SIRJOEL EXAM SOLUTIONS
12/3/2024 11:27AM
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
