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BIOS 252 COMPREHENSIVE EXAM NEWEST 2024
ACTUAL EXAM COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS |ALREADY GRADED
A+
A muscle that provides the major force of producing a specific movement is called
- An antagonist
- An agonist
- A synergist
- A fixation
- A sidekick - ANSWER- B. An agonist
During inhalation, ________ muscles contract to elevate the ribs. During forced exhalation, _______ muscles contract to depress the ribs
- External intercostals ; internal intercostals
- Transverse abdominis ; diaphragm
- Diaphragm ; transverse abdominis
- Internal intercostals ; external intercostals
- Rectus abdominis ; external obliques - ANSWER- A. External
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intercostals ; internal intercostals
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Which of the following are functions of various neuroglial cells
- Forming myelin sheaths on axons
- Secreting cerebrospinal fluid
- Transmitting electrical impulses to the spinal cord
- Storing episodic memories
- Acting as phagocytes - ANSWER- A. Forming myelin sheaths on
axons, B. Secreting cerebrospinal fluid, E. Acting as phagocytes
During active muscle contraction, the myosin heads will bind to which protein?
- Dystrophin
- Actin
- Titan
- Troponin
- Tropomyosin - ANSWER- B. Actin
Which of the following glial cells are NOT found in the Central Nervous System?
- Astrocytes
- Schwann cells
- Oligodendrocytes 2 / 3
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- Ependymal cells
- Microglial cells - ANSWER- B. Schwann cells
Which of the following would increase the conduction velocity of an action potential?
- Myelin sheath covering the axon
- Colder temperatures
- Longer axon length
- Increased intensity of the action potential
- Higher (less negative) resting membrane potential - ANSWER- A.
Myelin sheath covering the axon
Which of the following is described as the most important function of the Reticular Activating System (RAS)?
- Coordination of fine motor movement and balance
- Maintenance of consciousness
- Visual processing
- Formation of speech motor patterns
- Linking psychological states to psychological states - ANSWER- B.
Maintenance of consciousness
The term posterior means
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