BIOS 252 COMPREHENSIVE EXAM QUESTIONS AND ANSWERS
GRADED A+ LATEST UPDATE.
When compared to a classic lever system, the synovial joins our musculoskeletal
system play the role of the______. ANS >> fulcrum
Which of the following events will occur when depolarizing graded potentials
reach the membrane of the axon hillock, causing its membrane potential to reach
threshold? ANS >> 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 ____.
ANS >> origin, insertion
Which of the following fascicular arrangements would best be described as
fascicles arranged on only one side of the tendon? ANS >> unipennate
, BIOS 252 COMPREHENSIVE
Which type of synapse involves the secretion of a neurotransmitter across the
synapse to stimulate the post-synaptic cell? ANS >> chemical
Your friend nods 'yeses to you. Going through flexion, extension and
hyperextension in their enthusiastic response. This movement at t the fulcrum
represents a ANS >> first class lever
The sarcoplasmic reticulum stores ANS >> calcium ions
Which of the following is NOT a function of smooth muscle tissue? ANS >>
blinking the eyelid
In an isometric contraction, the muscle develops tension but does NOT ANS >>
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 ANS >> spatial summation
Which of the following molecules energizes the myosin club-head so that it can
pull the actin molecule? ANS >> ATP
Which of the following muscles is the major agonist for plantar-flexion of the foot
ANS >> gastrocnemius