VMED 5171 - Exam 1 Practice Question (Dr. Strain) (Latest 2024 / 2025 UPDATES STUDY) Exam Reviews | Questions and Verified Answers | 100% Correct | Grade A
VMED 5171 - Exam 1 Practice Question
(Dr. Strain)
C - -Which one of the following will not increase action potential conduction velocity?
A...
VMED 5171 - Exam 1 Practice Question
(Dr. Strain)
C- ✅✅-Which one of the following will not increase action potential conduction velocity?
A.Myelination
B.Increased axon diameter
C.Decreased temperature
D.Pre-existing membrane depolarization
A- ✅✅-Voltage-gated Na+ channels:
A.Inactivate shortly after activation
B.Are located on post-synaptic membranes
C.Are found under myelin on myelinated axons
D.Non-selectively permit ions through when activated
E- ✅✅-Which one of the following is/are not an electrotonic potential? If all ARE, answer 'E".
A.Receptor potential
B.EPSP
C.IPSP
D.Generator potential
E.All are electrotonic potentials
A- ✅✅ -The Nernst equation describes the potential that develops across a semi-permeable
membrane. Based on the equation, applied to a cell, what would happen to the magnitude of the
Nernst potential if the temperature is increased?
A.Increase
B.Decrease
C.No change
B- ✅✅-The adequate stimulus for a muscle spindle would be:
A.Change in pressure
B.Change in muscle length
C.Change in temperature
D.Electromagnetic radiation
C- ✅✅ -Activation of Ib afferent fibers from Golgi tendon organs, due to excess muscle
stretch, causes:
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