Physiology 261 LAB Practice Final - WCU Laboy
Latest Update 2025-2026 Exam 50 Questions
with 100% Verified Correct Answers Guaranteed
A+
A motor unit is defined as
a. A single muscle fiber and all its axon terminals
b. A nerve and a muscle
c. The axon terminals of a single motor neuron and all of the muscle fibers that it
stimulates
d. A single neuron and a single muscle fiber - CORRECT ANSWER: The axon terminals
of a single motor neuron and all of the muscle fibers that it stimulates
Altering the radii of the afferent and efferent arterioles provides for _______.
a. Glomerular filtration rate homeostasis and glomerular hydrostatic pressure
homeostasis
b. Blood pressure homeostasis and glomerular filtration rate homeostasis
c. Glomerular filtration rate homeostasis
d. Glomerular hydrostatic pressure homeostasis
e. Blood pressure homeostasis - CORRECT ANSWER: Glomerular filtration rate
homeostasis and glomerular hydrostatic pressure homeostasis
Amylase is secreted by _______.
a. The small intestine
b. The salivary glands
c. The large intestine
d. The stomach - CORRECT ANSWER: The salivary glands
, As the stimulus voltage was increased, the resulting muscle tension ________.
a. Remained the same
b. Increasing proportionally
c. Decreased proportionally
d. Increased to a point until it reached a plateau - CORRECT ANSWER: Increased to a
point until it reached a plateau
By taking a pulse you can determine ________.
a. Pulse rate (normally equal to heart rate)
b. Strength of the pule
c. Regularity of the pulse
d. Pulse rate, regularity of the pulse, and strength of the pulse - CORRECT ANSWER:
Pulse rate, regularity of the pulse, and strength of the pulse
Coupled transporters that move solutes in the same direction are called ________.
a. Isoporters
b. Symporters
c. Uniporters
d. Antiporters - CORRECT ANSWER: Symporters
During the relative refractory period, ______.
a. The stimulus must be below threshold to generate an action potential
b. No action potentials are generated
c. Adaption occurs
Latest Update 2025-2026 Exam 50 Questions
with 100% Verified Correct Answers Guaranteed
A+
A motor unit is defined as
a. A single muscle fiber and all its axon terminals
b. A nerve and a muscle
c. The axon terminals of a single motor neuron and all of the muscle fibers that it
stimulates
d. A single neuron and a single muscle fiber - CORRECT ANSWER: The axon terminals
of a single motor neuron and all of the muscle fibers that it stimulates
Altering the radii of the afferent and efferent arterioles provides for _______.
a. Glomerular filtration rate homeostasis and glomerular hydrostatic pressure
homeostasis
b. Blood pressure homeostasis and glomerular filtration rate homeostasis
c. Glomerular filtration rate homeostasis
d. Glomerular hydrostatic pressure homeostasis
e. Blood pressure homeostasis - CORRECT ANSWER: Glomerular filtration rate
homeostasis and glomerular hydrostatic pressure homeostasis
Amylase is secreted by _______.
a. The small intestine
b. The salivary glands
c. The large intestine
d. The stomach - CORRECT ANSWER: The salivary glands
, As the stimulus voltage was increased, the resulting muscle tension ________.
a. Remained the same
b. Increasing proportionally
c. Decreased proportionally
d. Increased to a point until it reached a plateau - CORRECT ANSWER: Increased to a
point until it reached a plateau
By taking a pulse you can determine ________.
a. Pulse rate (normally equal to heart rate)
b. Strength of the pule
c. Regularity of the pulse
d. Pulse rate, regularity of the pulse, and strength of the pulse - CORRECT ANSWER:
Pulse rate, regularity of the pulse, and strength of the pulse
Coupled transporters that move solutes in the same direction are called ________.
a. Isoporters
b. Symporters
c. Uniporters
d. Antiporters - CORRECT ANSWER: Symporters
During the relative refractory period, ______.
a. The stimulus must be below threshold to generate an action potential
b. No action potentials are generated
c. Adaption occurs
