BIOS 252 Actual Exam COMPREHENSIVE QUESTIONS AND VERIFIED
ANSWERS 2026 (GRADED A+) DETAILED ANSWERS!!
1. When compared to a classic lever system, the synovial joins our muscu-
loskeletal system play the role of the .- fulcrum
1. Which of the following events will occur when depolarizing graded poten-
tials reach the membrane of the axon hillock, causing it's membrane potential
to reach threshold?: voltage-gated Na+ channels open rapidly
3. The attachment of a muscle's tendon to the stationary bone is called the__;
the attachment of the muscle's other tendon to the moveable bone is called
the .- origin, insertion
4 Which of the following fascicular arrangements would best be described as
fascicles arranged on only one side of the tendon?: unipennate
5. Which type of synapse involves the secretion of a neurotransmitter across
the synapse to stimulate the post-synaptic cell?: chemical
§. Your friend nods 'yes' to you. Going through flexion, extension and hy-
perextension in their enthusiastic response. This movement at t he fulcrum
represents a: first class lever
1. The sarcoplasmic reticulum stores: calcium ions
§. Which of the following is NOT a function of smooth muscle tissue?: blinking the
eyelid
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, 9. In a isometric contraction, the muscle develops tension but does NOT: shorten
0. 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: spatial summation
1. Which of the following molecules energizes the myosin club-head so that it
can pull the actin molecule?: ATP
1. Which of the following muscles is the major agonist for plantar-flexion of
the foot: gastrocnemius
13. Which muscle is responsible for movement of the eye medially ( adduc-
tion)?: medial rectus
14 EPSPs (excitatory postsynaptic potentials) occur when: sodium channels are opened
and sodium enters the cell
mailto:https://www.stuvia.com/user/Wisdoms
ANSWERS 2026 (GRADED A+) DETAILED ANSWERS!!
1. When compared to a classic lever system, the synovial joins our muscu-
loskeletal system play the role of the .- fulcrum
1. Which of the following events will occur when depolarizing graded poten-
tials reach the membrane of the axon hillock, causing it's membrane potential
to reach threshold?: voltage-gated Na+ channels open rapidly
3. The attachment of a muscle's tendon to the stationary bone is called the__;
the attachment of the muscle's other tendon to the moveable bone is called
the .- origin, insertion
4 Which of the following fascicular arrangements would best be described as
fascicles arranged on only one side of the tendon?: unipennate
5. Which type of synapse involves the secretion of a neurotransmitter across
the synapse to stimulate the post-synaptic cell?: chemical
§. Your friend nods 'yes' to you. Going through flexion, extension and hy-
perextension in their enthusiastic response. This movement at t he fulcrum
represents a: first class lever
1. The sarcoplasmic reticulum stores: calcium ions
§. Which of the following is NOT a function of smooth muscle tissue?: blinking the
eyelid
mailto:https://www.stuvia.com/user/Wisdoms
, 9. In a isometric contraction, the muscle develops tension but does NOT: shorten
0. 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: spatial summation
1. Which of the following molecules energizes the myosin club-head so that it
can pull the actin molecule?: ATP
1. Which of the following muscles is the major agonist for plantar-flexion of
the foot: gastrocnemius
13. Which muscle is responsible for movement of the eye medially ( adduc-
tion)?: medial rectus
14 EPSPs (excitatory postsynaptic potentials) occur when: sodium channels are opened
and sodium enters the cell
mailto:https://www.stuvia.com/user/Wisdoms
