UTA A&P 1 Final Exam Questions and Answers All Correct New Update
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UTA A&P
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UTA A&P
UTA A&P 1 Final Exam Questions and Answers All Correct New Update
Which of the following is a member of the hamstring group? - Answer- all of the above
Which statement regarding the arm muscles is correct? - Answer- Brachioradialis is a flexor while the anconeus is an extensor.
Triceps br...
UTA A&P 1 Final Exam Questions
and Answers All Correct New
Update
Which of the following is a member of the hamstring group? - Answer- all of the above
Which statement regarding the arm muscles is correct? - Answer- Brachioradialis is a
flexor while the anconeus is an extensor.
Triceps brachii insert on the olecranon process of the ulna and can act to ________. -
Answer- extend the forearm.
Muscles including the term capitis would be found within or attached to the ________. -
Answer- head
Muscles that laterally rotate the thigh include all of the following, except the ________. -
Answer- tensor fasciae latae
A muscle that assists the muscle that is primarily responsible for a given action is a(n)
________. - Answer- synergist
Which of the following is not a function of the nervous system? - Answer- direct long-
term functions, such as growth
Opening of sodium channels in the axon membrane causes ________. - Answer- both
A and D
A. depolarization
D. increased positive charge inside the neuron
Which of the following are a type of glial cell found in the peripheral nervous system? -
Answer- satellite cells
The ________ nervous system controls the skeletal muscles. - Answer- somatic
At the normal resting potential of a typical neuron, its Na-K ion exchange pump
transports ________. - Answer- 3 sodium ions out of the cell for 2 potassium ions into
the cell
, Which of the following does not influence the time necessary for a nerve impulse to be
transmitted? - Answer- whether or not the impulse begins in the CNS
These sensory neurons monitor the digestive, respiratory, cardiovascular, urinary and
reproductive systems. - Answer- interoceptors
The following are the main steps in the generation of an action potential. 1. Sodium
channels are inactivated. 2. Voltage-gated potassium channels open and potassium
moves out of the cell, initiating repolarization. 3. Sodium channels regain their normal
properties. 4. A graded depolarization brings an area of an excitable membrane to
threshold. 5. A temporary hyperpolarization occurs. 6. Sodium channel activation
occurs. 7. Sodium ions enter the cell and depolarization occurs. The proper sequence of
these events is: - Answer- 4, 6, 7, 1, 2, 3, 5
The most abundant class of neuron in the central nervous system is ________. -
Answer- multipolar
The cytoplasm that surrounds the nucleus of a neuron is called the ________. -
Answer- perikaryon
Some pediatricians recommend the use of a 10% salt solution to relieve congestion for
infants with stuffy noses. What effect would such a solution have on the cells lining the
nasal cavity, and why? - Answer- Cells will lose water because the salt solution is a
hypertonic solution.
What is so special about osmosis, compared with diffusion? - Answer- Answer B:
Osmosis is the movement of water rather than solute.
Answer C: In osmosis, water flows across a membrane toward the solution that has a
higher concentration of solutes, because that is where water concentration is lower.
What process would be affected by the lack of the enzyme RNA polymerase? - Answer-
cell's ability to transcribe DNA
Which of the following stages of mitosis is correctly paired with the events of that stage?
- Answer- Anaphase -- Centromeres of chromatid pairs separate and daughter
chromosomes are pulled to opposite ends of the cell.
Which of the following about a cell's resting membrane potential is FALSE? - Answer-
The inside of the cell is slightly more positive than outside.
If the cell membrane became freely permeable to sodium ions (Na+), how would the
intracellular environment be affected? - Answer- It would become more positive.
Which type of integral protein allows water and small ions to diffuse through the cell
membrane? - Answer- channel proteins
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