BIOS 252 TEST PAPER QUESTIONS AND
SOLUTIONS COMPLETE REVIEW MATERIAL
●● 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
SOLUTIONS COMPLETE REVIEW MATERIAL
●● 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
