Straighterline Anatomy & Physiology I Final Exam Review (Latest 2024 / 2025 Update) Questions and Verified Answers | 100% Correct | Grade A
Question:
What is the major function of the sarcoplasmic reticulum?
Answer:
To regulate the levels of calcium in the cells of the body.
Question:
A muscle with the major responsibility for a certain movement.
Answer:
Prime Mover
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Question:
A "rectus" muscle has fibers that run in what direction?
Answer:
Runs vertically on each side of the anterior wall of the human abdomen.
Question:
Which criteria is used to name the pectoralis major muscle?
Answer:
Location
Question:
Which muscle is contracting when you when you eat ice?
Answer:
Masseter
Question:
The group of muscles on the front of the thigh:
Answer:
The quadriceps femoris
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Question:
Myelin sheaths in the CNS are produced by the ______?
Answer:
Oligodendrocytes
Question:
Neuroglial cells that line the cavities of the brain are the______?
Answer:
Ependymal cells
Question:
During membrane repolarization, there is a decrease in the membrane permeability to what ion?
Answer:
Sodium
Question:
A membrane maintains is resting membrane potential mainly due to what?
Answer:
The sodium-potassium pump
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Question:
The space between the presynaptic and postsynaptic membranes is called:
Answer:
Synaptic cleft
Question:
List the logical sequence of the 3 function of the nervous system:
Answer:
Sensory input, integration, motor output
Question:
Where are the Nodes and Ranvier found?
Answer:
On myelinated axons
Question:
The change in electrical potential associated with the passage of an impulse along the membrane of a muscle cell or nerve cell.
Answer:
Action potential
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