BIOS 252 ActuAl exAm cOmPReHeNSIVe QueStIONS AND cORRect
ANSWeRS (VeRIFIeD) | lAteSt uPDAte 2026/2027 | gRADeD A+ |
BRAND NeW | 100% guARANteeD PASS
When compared to a classic lever system, the synovial joins our musculoskeletal
system play the role of the______. - ANSWER-fulcrum
Which of the following events will occur when depolarizing graded potentials reach the
membrane of the axon hillock, causing it's membrane potential to reach threshold? -
ANSWER-voltage-gated Na+ channels open rapidly
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 ____. -
ANSWER-origin, insertion
Which of the following fascicular arrangements would best be described as fascicles
arranged on only one side of the tendon? - ANSWER-unipennate
Which type of synapse involves the secretion of a neurotransmitter across the synapse
to stimulate the post-synaptic cell? - ANSWER-chemical
Your friend nods 'yes' to you. Going through flexion, extension and hyperextension in
their enthusiastic response. This movement at t he fulcrum represents a - ANSWER-
first class lever
The sarcoplasmic reticulum stores - ANSWER-calcium ions
Which of the following is NOT a function of smooth muscle tissue? - ANSWER-blinking
the eyelid
In a isometric contraction, the muscle develops tension but does NOT - ANSWER-
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 -
ANSWER-spatial summation
Which of the following molecules energizes the myosin club-head so that it can pull the
actin molecule? - ANSWER-ATP
Which of the following muscles is the major agonist for plantar-flexion of the foot -
ANSWER-gastrocnemius
Which muscle is responsible for movement of the eye medially ( adduction)? -
ANSWER-medial rectus
EPSPs (excitatory postsynaptic potentials) occur when - ANSWER-sodium channels are
opened and sodium enters the cell
In skeletal muscle cells, the transverse tubule is an extension of the - ANSWER-
sarcolemma
An inhibitory neurotransmitter ______ the postsynaptic membrane - ANSWER-
hyperpolarizes
______ cells function as immune/ phagocytic cells within the central nervous system -
ANSWER-microglial
The myelin sheaths that surround the axons of some of the neurons in the central
nervous system are formed by: - ANSWER-oligodendroglia
A muscle that provides the major force for producing a specific movement is called: -
ANSWER-an agonist
During inhalation, _____ muscles contract to elevate the ribs. During forces exhalation
_____ muscles contract to depress the ribs - ANSWER-external intercostals ; internal
intercostals
ANSWeRS (VeRIFIeD) | lAteSt uPDAte 2026/2027 | gRADeD A+ |
BRAND NeW | 100% guARANteeD PASS
When compared to a classic lever system, the synovial joins our musculoskeletal
system play the role of the______. - ANSWER-fulcrum
Which of the following events will occur when depolarizing graded potentials reach the
membrane of the axon hillock, causing it's membrane potential to reach threshold? -
ANSWER-voltage-gated Na+ channels open rapidly
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 ____. -
ANSWER-origin, insertion
Which of the following fascicular arrangements would best be described as fascicles
arranged on only one side of the tendon? - ANSWER-unipennate
Which type of synapse involves the secretion of a neurotransmitter across the synapse
to stimulate the post-synaptic cell? - ANSWER-chemical
Your friend nods 'yes' to you. Going through flexion, extension and hyperextension in
their enthusiastic response. This movement at t he fulcrum represents a - ANSWER-
first class lever
The sarcoplasmic reticulum stores - ANSWER-calcium ions
Which of the following is NOT a function of smooth muscle tissue? - ANSWER-blinking
the eyelid
In a isometric contraction, the muscle develops tension but does NOT - ANSWER-
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 -
ANSWER-spatial summation
Which of the following molecules energizes the myosin club-head so that it can pull the
actin molecule? - ANSWER-ATP
Which of the following muscles is the major agonist for plantar-flexion of the foot -
ANSWER-gastrocnemius
Which muscle is responsible for movement of the eye medially ( adduction)? -
ANSWER-medial rectus
EPSPs (excitatory postsynaptic potentials) occur when - ANSWER-sodium channels are
opened and sodium enters the cell
In skeletal muscle cells, the transverse tubule is an extension of the - ANSWER-
sarcolemma
An inhibitory neurotransmitter ______ the postsynaptic membrane - ANSWER-
hyperpolarizes
______ cells function as immune/ phagocytic cells within the central nervous system -
ANSWER-microglial
The myelin sheaths that surround the axons of some of the neurons in the central
nervous system are formed by: - ANSWER-oligodendroglia
A muscle that provides the major force for producing a specific movement is called: -
ANSWER-an agonist
During inhalation, _____ muscles contract to elevate the ribs. During forces exhalation
_____ muscles contract to depress the ribs - ANSWER-external intercostals ; internal
intercostals
