Chapter 13, Problem 21MC

Jane Doe is infected with HIV. One of her medications is acyclovir, which is a/an ____________________ drug used to treat viral infections or to provide temporary immunity.

Sensory fibers, or pathways, are referred to as afferent. Motor fibers, or pathways, are referred to as efferent. What can you infer about the meaning of these two terms (afferent and efferent) in a structural or anatomical context?

An increase in the number of which of the following suggests a bacterial infection? A. Lymphocytes B. Neutrophils C. Monocytes D. Eosinophils

Brenda Farmers doctor could not find any physical changes to explain her symptoms. The doctor refers to this as a/an _________________ disorder.

Multiple sclerosis is a demyelinating disease affecting die central nervous system. What type of cell would be the most likely target of this disease? Why?

The major role of the Na+/K+ pump is to: a. cause a rapid firing of the action potential so the inside of themembrane becomes momentarily positive. b. decrease the resting membrane potential to zero. c. hyperpolarize the membrane above resting value. d. cause an action potential to enter a refractory period. e. maintain the resting membrane potential at a constantnegative value.