2025/2026 IUPUI PHYSIOLOGY EXAM 3 BANK
CURRENTLY TESTING QUESTIONS AND DETAILED
CORRECT ANSWERS (VERIFIED) GUARANTEED
PASS/TOP-RATED A+.
IUPUI
Ace your IUPUI Physiology Yard Exam 3 with this targeted guide,
designed to master foundational concepts in cellular function,
homeostasis, and neural signaling. This resource provides high-
yield practice questions and detailed explanations that
reinforce core principles for both lab and lecture assessments.
Which of the following statements regarding equilibrium is
true? ...... ANSWER ....... Information regarding
equilibrium is sent to the cerebellum
In the special sense of vision ...... ANSWER ....... The
sympathetic system stimulates the radiator or dilator
muscles of the iris
In the sense of olfaction ...... ANSWER ....... Odorant
receptor proteins are located on neurons
In gustation ...... ANSWER ....... The receptor cells are
capable only of producing a graded potential
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Which of the following statements regarding hearing is true?
...... ANSWER ....... Otitis media, an infection of the
middle ear could result in reduced air conduction of
sound
The autonomic nervous system includes which of the
following? Select all that apply. ...... ANSWER .......
Sympathetic system or division, Parasympathetic
system or division
The sympathetic system is responsible for the 'fight or flight'
responses in the body. ...... ANSWER ....... True
Which of the special senses send information primarily
through the limbic system instead of the thalamus? ......
ANSWER ....... Olfaction
When tip link proteins are stretched, the hair cells____ ......
ANSWER ....... Are depolarized
Vhich of the following motor system pathways utilize ACh
(acetylcholine) as a neurotransmitter?
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Somatic
Parasympathetic
Sympathetic
All motor pathways use ACh as a neurotransmitter. ......
ANSWER ....... All motor pathways use ACh as a
neurotransmitter.
Adrenergic receptors would be found at the ...... ANSWER
....... neuroeffector junctions of the sympathetic system
Which of the following actually develops the active force in a
skeletal muscle cell contraction
excitation
cross bridge cycling relaxation
excitation - contraction coupling ...... ANSWER .......
Cross bridge cycling
Calcium must bind to myosin in order for cross bridge
cycling to occur. ...... ANSWER ....... True
Which of the following proteins is used in cross bridge
cycling in skeletal muscle cells?
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Titin
Tropomyosin
Actin
Troponin ...... ANSWER ....... Actin
Which of the following occurs during the excitation
contraction coupling in a skeletal muscle cell?
Nicotinic ACh receptors are being activated
An EPP is converted into a myofiber action potential
All of these
Tropomyosin is shifted away from the actin ...... ANSWER
....... Tropomyosin is shifted away from the actin
Which of the following skeletal muscle fiber types would be
expected to generate the most force?
Slow oxidative-glycolytic
Fast glycolytic
Fast oxidative-glycolytic
Slow oxidative ...... ANSWER ....... Fast glycolytic