Human Physiology EEOB 2520 Exam 7 All Possible Questions and Answers 2024/2025
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Course
Human Physiology EEOB 2520
Institution
Human Physiology EEOB 2520
Which is a correct statement about cross bridge cycling?
A. actin does not initiate binding to myosin
B. actin pulls myosin
C. ATP's energy is used to unbind myosin and actin
D. the release of ADP and Pi triggers the deflex - ️️A
Correct statements about crossbridge cycling are that actin ...
Human Physiology EEOB 2520 Exam 7
Which is a correct statement about cross bridge cycling?
A. actin does not initiate binding to myosin
B. actin pulls myosin
C. ATP's energy is used to unbind myosin and actin
D. the release of ADP and Pi triggers the deflex - ✔️✔️A
Correct statements about crossbridge cycling are that actin does not initiate binding to
myosin, ATP's
energy is not used to unbind myosin and actin, myosin pulls actin, and the release of
ADP and Pi triggers the flex
The load on a skeletal muscle has a(n) ____ relationship with the speed to complete the
movement and a(n) ____ relationship with the ability to complete the movement.
A. direct-direct
B. inverse-direct
C. direct-inverse
D. inverse-inverse - ✔️✔️D
In a neuromuscular junction, ____-gated _____ channels open first, allowing
neurotransmitters to be exocytosed from the neuron in order to activate ligand-gated
_____ channels to open in the membrane of the muscle fiber.
A. mechanically-sodium-calcium
B. voltage-sodium-calcium
C. mechanically-calcium-sodium
D. voltage-calcium-sodium - ✔️✔️D
In a neuromuscular junction, voltage-gated calcium channels open first, allowing
neurotransmitters to be
exocytosed from the neuron in order to activate ligand-gated sodium channels to open
in the membrane
of the muscle fiber.
At lunch, your friend is eating "the other white meat" (aka a pork chop). You correctly
inform him that he is eating meat ____ in myogloblin and _____ in glycogen.
A. high-low
B. low-low
C. high-high
D. low-high - ✔️✔️D
At lunch, your friend is eating "the other white meat" (aka a pork chop). You correctly
inform him that
he is eating meat low in myoglobin and high in glycogen.
During a contraction caused by a single action potential, the latent period occurs ____
the peak of tension is reached. There is more time spent ____ this peak than _____ it.
, A. before-before-after
B. before-after-before
C. after-before-after
D. after-after-before - ✔️✔️B
During a contraction caused by a single action potential, the latent period occurs before
the peak of
tension is reached. There is more time spent after this peak than before it.
On Sunday, Brutus relaxed on his couch and rewatched the second half of the Maryland
victory. After the game was over, he stood up from the couch and his leg muscles
mainly using ATP created by _____. He then went for a causal bike ride along the
Olentangy River and had his leg muscles mainly using ATP created by _____.
A. glycolysis-ETC
B. creatine phosphate-substrate-level phosphorylation
C. substrate-level phosphorylation-oxidative phosphorylation
D. substrate-level phosphorylation-glycolysis - ✔️✔️C
On Sunday, Brutus relaxed on his couch and rewatched the second half of the Maryland
victory. After
the game was over, he stood up from the couch and had his leg muscles mainly using
ATP created by substrate-level phosphorylation. He then went for a casual bike ride
along the Olentangy River and had his leg muscles mainly using ATP created by
oxidative phosphorylation.
To hold your pencil, the muscles controlling your fingers are experiencing _____ tetanus
which has the level of calcium in those myofibers being ____ over time.
A. unfused-constant
B. unfused-variable
C. fused-constant
D. fused-variable - ✔️✔️B
To hold your pencil, the muscles controlling your fingers are experiencing unfused
tetanus which has the level of calcium in those myofibers being variable over time.
The knee-jerk response is triggered by the information from the ____ system and will
lead to _____ muscle.
A. proprioception-inhibition of the flexor
B. proprioception-stimulation of the extensor
C. somatosensory-inhibition of the flexor
D. somatosensory-stimulation of the extensor - ✔️✔️B
The knee-jerk response is triggered by information from the proprioception system and
will lead to stimulation of the extensor muscle.
Numerous OSU students have been training for this Sunday's Columbus Marathon.
They were working to increase their ____ and reduce their _____ in their leg muscles.
A. ATPase activity-anaerobic capacity
B. mitochondria-ATPase activity
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