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BIOS 252 Exam Questions With 100%
Correct Verified Answers Latest Versions
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Your friend nods 'yes' to you, going through flexion, extension, and hyper
extension in their enthusiastic response. This movement at the fulcrum
represents a
A. First-class lever system
B. Second-class lever system
C. Third-class lever system
D. Fourth-class lever system
E. Does not represent a lever system - ANS ✓A. First-class lever system
The sarcoplasmic reticulum stores
A. Oxygen
B. Glycogen
C. ATP
D. Calcium ions
E. Glucose - ANS ✓D. Calcium ions
Which of the following is NOT a function of smooth muscle tissue?
A. Altering the diameter of the respiratory passageways
B. Elevating hairs on the arm
C. Blinking the eyelid
D. Moving food materials along the digestive tract
E. Moving urine from the kidneys into the bladder - ANS ✓C. Blinking the
eyelid
In an isometric contraction, the ,uncle develops tension but does not?
A. Shorten
B. Lengthen
C. Expend energy
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D. Conduct electrical current
E. Exhibit elasticity - ANS ✓A. Shorten
_________ is the summation of postsynaptic potentials in response to stimuli
that occur at different locations in the membrane of a postsynaptic cell at
the same time
A. Cortical summation
B. Spatial summation
C. Temporal summation
D. Tactile summation
E. Olfactory summation - ANS ✓B. Spatial summation
Which of the following molecules energizes the myosin club-head so that it
can pull the actin molecule?
A. Troponin
B. Tropomyosin
C. Calcium
D. Potassium
E. ATP - ANS ✓E. ATP
Which of the following muscles is the major agonist for plantar-flexion of
the foot
A. Gastrocnemius
B. Tibialis anterior
C. Triceps femoris
D. Inferior rectus
E. Peroneus - ANS ✓A. Gastrocnemius
Which muscle is responsible for movement of the eye medically
(adduction)?
A. Medial rectus
B. Lateral rectus
C. Inferior rectus
D. Superior oblique
E. Inferior oblique - ANS ✓A. Medial rectus
EPSPs (excitatory postsynaptic potentials) occur when
BIOS 252
BIOS
BIOS 252 Exam Questions With 100%
Correct Verified Answers Latest Versions
2025 Top Rated A+
Your friend nods 'yes' to you, going through flexion, extension, and hyper
extension in their enthusiastic response. This movement at the fulcrum
represents a
A. First-class lever system
B. Second-class lever system
C. Third-class lever system
D. Fourth-class lever system
E. Does not represent a lever system - ANS ✓A. First-class lever system
The sarcoplasmic reticulum stores
A. Oxygen
B. Glycogen
C. ATP
D. Calcium ions
E. Glucose - ANS ✓D. Calcium ions
Which of the following is NOT a function of smooth muscle tissue?
A. Altering the diameter of the respiratory passageways
B. Elevating hairs on the arm
C. Blinking the eyelid
D. Moving food materials along the digestive tract
E. Moving urine from the kidneys into the bladder - ANS ✓C. Blinking the
eyelid
In an isometric contraction, the ,uncle develops tension but does not?
A. Shorten
B. Lengthen
C. Expend energy
BIOS 252
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D. Conduct electrical current
E. Exhibit elasticity - ANS ✓A. Shorten
_________ is the summation of postsynaptic potentials in response to stimuli
that occur at different locations in the membrane of a postsynaptic cell at
the same time
A. Cortical summation
B. Spatial summation
C. Temporal summation
D. Tactile summation
E. Olfactory summation - ANS ✓B. Spatial summation
Which of the following molecules energizes the myosin club-head so that it
can pull the actin molecule?
A. Troponin
B. Tropomyosin
C. Calcium
D. Potassium
E. ATP - ANS ✓E. ATP
Which of the following muscles is the major agonist for plantar-flexion of
the foot
A. Gastrocnemius
B. Tibialis anterior
C. Triceps femoris
D. Inferior rectus
E. Peroneus - ANS ✓A. Gastrocnemius
Which muscle is responsible for movement of the eye medically
(adduction)?
A. Medial rectus
B. Lateral rectus
C. Inferior rectus
D. Superior oblique
E. Inferior oblique - ANS ✓A. Medial rectus
EPSPs (excitatory postsynaptic potentials) occur when
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