What term is used to describe the steady-state value for any variable that the body attempts to maintain?
A. Set point
B. Equilibrium potential
C. Error signal
D. Reflex arc
E. Median value
A
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What part of the body does the zygomaticus move?
a. head and neck b. upper extremities c. trunk of the body d. lower extremities
Mike has classical hemophilia, a clotting disorder, but his case is considered "mild." His levels of factor VIII are 28% of normal. He is usually OK going about the activities of normal daily living. He plays slow pitch softball and enjoys swimming and horseback riding, and is an exceptionally active individual who believes "why walk when you can run?" He has noticed that once he has one injury,
he will have "bleeds" more readily, and has to restrict his own activities to give himself time to heal. Why would he have to "slow down" longer than a person without hemophilia? What will be an ideal response?
The flexor reflex
A) prevents a muscle from overstretching. B) prevents a muscle from generating damaging tension. C) moves a limb away from a painful stimulus. D) usually depends on cranial neurons. E) is an example of a monosynaptic reflex.
Regarding kidney function, in reabsorption,
A) solutes enter the tubular fluid after exiting the peritubular fluid and crossing the tubular epithelium. B) water and solutes are transported from the tubular fluid, across the tubular, epithelium, and into the peritubular fluid. C) blood pressure forces water and solutes across the membranes of the glomerular capillaries and into the capsular space.