Antibiotics are used to treat

A) viral infections.
B) bacterial infections.
C) viroid infections.
D) prion infections.
E) fungal infections.

Based on these laboratory results, which patient is most likely to have the following pathological condition: destructive tumor of anterior pituitary that destroys TSH secreting cells?

You have identified a new mammal species. You are surprised to find that it has a pelvis, but there is no evidence the species has legs. What can you conclude about this animal's structure?

A) The animal is very young.
B) The pelvis is a vestigial structure.
C) The animal is a mutant species.
D) The pelvic bones are present because the animal is a mammal.
E) The pelvic bones are analogous to the pelvic bones found in other mammals.

Long-term memory may involve

A) an influx of potassium ions into the neuron.
B) activating substance P.
C) a change in the shape of the neuron's cytoskeleton.
D) forming a nerve plexus.
E) rearranging neurons in the brain.

A local potential

A) does not occur until threshold.
B) transmits information from one cell to another.
C) might be a depolarization event but cannot be a hyperpolarization event.
D) increases or decreases in direct proportion to the stimulus strength.
E) does not alter resting membrane potential.

When heat dissipates into the environment, it is no longer usable by the individual who produced it.

Which inhibitory neurotransmitter is blocked in strychnine poisoning?

A) Glycine
B) Acetylcholine
C) Glutamate
D) Adenosine

​Cancer cells characteristically express high levels of telomerase.

The human tongue has many receptors that are specialized for ____.

A) pain
B) smell
C) pheromones
D) taste
E) equilibrium