University of Waterloo BIOL 373 Final Exam Answered Correctly Fall 2024.
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Course
University of Waterloo BIOL 373
Institution
University Of Waterloo BIOL 373
BIOL 373 FINAL EXAM
7 AM/SANIA:
1. In terms of contributions to physiology _______ was to stress physiology as _________
was to homeostasis
a. Claude Bernard, Hans Selye
b. Hans Selye, Walter Cannon
c. Walter Gretzky, Hans Selye
d. Walter cannon, wilder penfield
e. Claude bernard, walter ca...
7 AM/SANIA:
1. In terms of contributions to physiology _______ was to stress physiology as _________
was to homeostasis
a. Claude Bernard, Hans Selye
b. Hans Selye, Walter Cannon
c. Walter Gretzky, Hans Selye
d. Walter cannon, wilder penfield
e. Claude bernard, walter cannon
2. Cerebrospinal fluid exits the ventricular system and reaches the peripheral circulation via
the following route:
1. Arachnoid villi
2.Central canal of spinal cord
3.Fourth ventricle
4.Subarachnoid space
5. Superior sagittal sinus
6. Third ventricle
7.Venous return to right heart
8. Median and lateral apertures
a. 6 → 8 → 4 → 1 → 5 → 7
b. 3 → 8 → 1 → 4 → 5 → 7
c. 3 → 8 → 4 → 1 → 5 → 7
d. 3 → 8 → 4 → 5 → 1 → 7
e. 3 → 2 → 8 → 4 → 5 → 7
3. Clusters of neuron cell bodies and synapses outside the CNS are referred to as:
a. Ganglia
b. Nuclei
c. Cortexes
d. Tracts
e. Roots
4. Clusters of neuron cell bodies and synapse within the CNS are referred to as:
a. Ganglia
b. Tracts
c. Nuclei
d. Cortexes
e. Roots
5. **Spinal nerves:
a. Carry both sensory and motor information (T)
b. Contain only myelinated axons
, c. Have dorsal and ventral roots (T)
d. A and B
e. A,B, and C
(defo typo on prof end cuz both myelinated and unmylinated!)
6. **Spinal nerves...
a. Carry both sensory and motor information
b. Contain both myelinated and unmyelinated axons (different types of fibers = c fibers
are unmyelinated, others are myelinated)
c. Have dorsal and ventral roots
d. A and B
e. A,B, and C
**** Need help with myelinated or unmyelinated
7. Parasympathetic neural information travels in nerves that…
a. Originate in the hypothalamus and travel all the way to their effector organs via single
fibres
b. Exit the CNS at all segments of the vertebral column
c. Exit the CNS at the brainstem and sacral spinal cord
d. Exit the CNS at thoracic and lumbar regions of the vertebral column
8. Gray matter in the central nervous system…
a. Includes descending tracts that carry information from the brain
b. Consists of cell bodies, dendrites, and axon terminals
c. Refers to ascending tracts that carry information to the brain
d. Contains myelinated axons with very few cell bodies
e. A,B,C
9. White matter in the central nervous system…
a. Includes descending tracts that carry information from the brain
b. Contains myelinated axons with very few cell bodies
c. Includes ascending tracts that carry information to the brain
d. A and C
e. A, B and C
10. Cell bodies of somatic motor neurons are located in
a. Ventral root ganglia
b. Ventral horns of the spinal cord
c. Dorsal root ganglia
d. Propriospinal tracts
e. Dorsal horn of the spinal cord
, 11. **An injury at the mid back level (between the shoulder blades) that severs tracts on the
RIGHT side of the spinal cord would result in…
a. Loss of fine touch sensation from the left leg (Since fine touch crosses at the
medulla,but pain and temp dont)
b. Loss of temperature sensation from the left leg
c. Loss of motor control of the left leg
d. A and C
e. A, B, and C
12. **An injury at the mid back level (between the shoulder blades) that severs tracts on the
LEFT side of the spinal cord would result in…
a. Loss of fine touch sensation from the right leg
b. Loss of temperature sensation from the right leg
c. Loss of motor control of the right leg
d. A and C
e. A, B, and C
13. The intensity of a stimulus is encoded within the central nervous system by
a. The amplitude of action potentials arriving via the afferent neuron
b. The frequency of action potentials arriving via the afferent neuron (t)
c. Labelled line coding
d. A and C
e. A, B, and C
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