79. Define motor unit, muscle twitch and tetanus.  Explain how skeetal muscles are able to produce smooth, graded contractions from a muscle twitch using summation and recruitment?

Meningitis can be caused by infection of the central nervous system by bacteria. Which cells would be most responsible for removing the infection?

When a muscle is unable to respond to stimuli temporarily, it is in which of the following periods?

When a neurotransmitter like acetylcholine is acting in an excitatory manner which of the following is likely a result of the acetylcholine acting on the postsynaptic cell?

Nerve impulses leading to the skeletal muscle carry information to direct movement. The nerve fibers sending these signals will most likely belong to which division of the nervous system?

If a postsynaptic cell is stimulated to threshold by temporal summation this implies that ________.

During the relative refractory period of an action potential, a larger than normal stimulus is needed to cause another action potential. This is due to the fact that ________.

The nurse tells a woman who is trying to conceive to check her cervical mucus for changes. What will she expect the characteristic of cervical mucus to be a few days before ovulation?

After birth, the nurse quickly dries and wraps the newborn in a blanket. How does this action prevent heat loss?

A woman has had persistent lochia rubra for 2 weeks after her delivery and is experiencing pelvic discomfort. What does the nurse explain is the usual treatment for subinvolution?