Olfactory receptor cells are ________ neurons.
A. nonpolar
B. unipolar
C. bipolar
D. multipolar
E. apolar
Answer: C
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The quadriceps femoris is composed of three "vastus" muscles and the ________.
Fill in the blank(s) with the appropriate word(s).
Draw a graph showing what would happen to resting membrane potential over time, if the sodium/potassium pump were not functioning. How would this affect a neuron's ability to produce action potentials? What does this imply about the quantity of ions that normally cross the membrane during the course of an action potential?
What will be an ideal response?
Breathing muscles such as the diaphragm are controlled by neurons of the ________ nervous system.
A. somatic B. enteric C. autonomic
Which of the following is an example of pathological metaplasia?
A. Atrophy of skeletal muscle fibers due to disuse B. The change in the lining of the vagina from simple cuboidal epithelium to stratified squamous epithelium at puberty C. A transformation of ciliated pseudostratified columnar epithelium to stratified squamous epithelium in respiratory passageways of smokers D. The development of a tumor E. The blebbing and rupture of cell plasma membranes by viruses