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BIOS 252 Midterm Exam / BIOS252 Midterm Exam (Review and Essay Question Answer) (Up-to-date, ): Anatomy and Physiology II with Lab: Chamberlain College of Nursing |100% Correct |$12.49
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BIOS 252 Midterm Exam / BIOS252 Midterm Exam (Review and Essay Question Answer) (Up-to-date, ): Anatomy and Physiology II with Lab: Chamberlain College of Nursing |100% Correct |
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BIOS 252 Midterm Exam / BIOS252 Midterm Exam (Review and Essay Question Answer) (Up-to-date, ): Anatomy and Physiology II with Lab: Chamberlain College of Nursing |100% Correct |
BIOS252 A& P II Midterm Exam / BIOS 252 A& P II Midterm Exam (Review and Essay Question Answer) (Up-to-date, ): Chamber...
1. T Tubules are extensions of the _____ in skeletal muscle?
a. Sarcolemma
2. CN III innervates with of of the following muscle?
a. Medial Rectus
3. The brain and spinal chord are part of the ______ nervous system?
a. Central
4. A wheelbarrow is an example of a _______ class lever?
a. Second
5. The muscle contraction pulling on its insertion point, corresponds to what part of
the lever system?
a. Effort
6. A synovial joint corresponds to what part of the lever stem?
a. Fulcrum
7. When would voltage-gated Sodium channels open rapidly?
a. When a depolarizing graded potential makes the axon membrane
depolarize to threshold
8. Which of the following muscle closes the lips?
a. Orbicularis Oris
9. Synergists prevent unwanted movements during an action, or aid the agonist
during the movement.
, a. True
10. EPSP stands for _________
a. Excitatory postsynaptic potential
11. EPSPs occur when ______
a. Sodium channels are opened and sodium enters the cell
12. The Platysma muscle is a muscle of mastication
a. FALSE
13. The type of muscle contraction where the muscle contracts but exhibits no change
in length is called
a. Isometric contraction
14. Calcium is released from the SR when an action potential opens gated ion
channels located in the
a. T tubules
15. The neurotransmitter found at synapses between the motor neurons and human
skeletal muscles, or at the neuromuscular junction is ________
a. Acetylcholine
16. The neurotransmitters that function primarily in the CNS are dopamine and
serotonin
a. TRUE
17. A propagated change in the membrane potential of part of the cell membrane is an
action potential
a. False – the entire cell membrane
18. A chemical synapse is most likely to dominate which system?
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