You go to the movies after a long day and you begin to nod off as soon as the movie starts. Your head starts to lower a little, but a reflex causes your head to rise. This is called the ________ reflex.

A. flexor (withdrawal)
B. withdrawal
C. tendon
D. crossed extension
E. stretch (myotatic)


Answer: E

Anatomy & Physiology

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Describe depolarization, repolarization, and hyperpolarization

A) Depolarization is a shift in membrane potential toward a more positive value; repolarization is the return of the membrane potential to resting; and hyperpolarization is a shift in membrane potential toward a more negative value. B) Depolarization is a shift in membrane potential toward a more negative value; repolarization is the return of the membrane potential to resting; and hyperpolarization is a shift in membrane potential toward a more positive value. C) Depolarization is the return of the membrane potential to resting; repolarization is a shift of the membrane potential toward a more positive value; and hyperpolarization is a shift in membrane potential toward a more negative value. D) Depolarization is the return of the membrane potential to resting; repolarization is a shift of the membrane potential toward a more negative value; and hyperpolarization is a shift in membrane potential toward a more positive value. E) Depolarization is a shift in membrane potential toward a more negative value; repolarization is a shift of the membrane potential toward a more negative value; and hyperpolarization is the return of the membrane potential to resting.

Anatomy & Physiology

Counterirritants work by calming the inflammatory response or counteracting inflammation

a. true b. false

Anatomy & Physiology

Which type of muscle is found in the wall of the heart?

A. Smooth muscle B. Cardiac muscle C. Skeletal muscle

Anatomy & Physiology

What is the ultimate electron acceptor for the electrons captured by the cofactors during glucose decomposition?

a. nitrogen b. hydrogen c. oxygen d. carbon

Anatomy & Physiology