BIOS
BIOS 252 COMPREHENSIVE E XAM
QUESTIONS WITH CORRECT VERIFIED
SOLUTIONS 100% GUARANTEED PASS
A muscle that provides the major force of producing a specific movement is
called
A. An antagonist
B. An agonist
C. A synergist
D. A fixation
E. A sidekick - ANS ✓B. An agonist
During inhalation, ________ muscles contract to elevate the ribs. During
forced exhalation, _______ muscles contract to depress the ribs
A. External intercostals ; internal intercostals
B. Transverse abdominis ; diaphragm
C. Diaphragm ; transverse abdominis
D. Internal intercostals ; external intercostals
E. Rectus abdominis ; external obliques - ANS ✓A. External intercostals ;
internal intercostals
Which of the following are functions of various neuroglial cells
A. Forming myelin sheaths on axons
B. Secreting cerebrospinal fluid
C. Transmitting electrical impulses to the spinal cord
D. Storing episodic memories
E. Acting as phagocytes - ANS ✓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?
BIOS 252
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BIOS
A. Dystrophin
B. Actin
C. Titan
D. Troponin
E. Tropomyosin - ANS ✓B. Actin
Which of the following glial cells are NOT found in the Central Nervous
System?
A. Astrocytes
B. Schwann cells
C. Oligodendrocytes
D. Ependymal cells
E. Microglial cells - ANS ✓B. Schwann cells
Which of the following would increase the conduction velocity of an action
potential?
A. Myelin sheath covering the axon
B. Colder temperatures
C. Longer axon length
D. Increased intensity of the action potential
E. Higher (less negative) resting membrane potential - ANS ✓A. Myelin
sheath covering the axon
Which of the following is described as the most important function of the
Reticular Activating System (RAS)?
A. Coordination of fine motor movement and balance
B. Maintenance of consciousness
C. Visual processing
D. Formation of speech motor patterns
E. Linking psychological states to psychological states - ANS ✓B. Maintenance
of consciousness
The term posterior means
A. Nearer to or at the front of the body
B. Nearer to or at the back of the body
C. Further from the attachment of a limb
D. Nearer front he attachment of the limb
BIOS 252