The oropharynx is lined with which type of epithelium?
a. stratified squamous
b. simple columnar
c. pseudostratified
d. simple squamous
Answer; a. stratified squamous
You might also like to view...
When membrane potential changes, we use the terms depolarization, hyperpolarization, and repolarization
Explain what is happening to the membrane potential in relation to the extracellular fluid during depolarization and hyperpolarization and how each phase could be achieved by negatively charged ions. Next, explain how it is possible for the membrane to be in both hyperpolarization and repolarization at the same time. What will be an ideal response?
Aortic aneurysms are a serious symptom present in Marfan's syndrome. They result from an improper function of:
a. Elastic laminae produced by smooth muscle cells b. Gap junctions between cells of the tunica intima and tunica media c. Reticular fibers in the tunica intima d. Tight junctions of endothelial cells e. Vasa vasorum of the tunica adventitia
Which of the following are classified as "mechanoreceptors"?
A. cone cells in the eye B. taste buds on the tongue C. hair cells in the olfactory mucosa D. hair cells in the cochlea
Sally has just heard a strange noise in her basement. Which of the following is an example of normal autonomic nervous system function during this type of situation?
A. Sally's breathing becomes slower to allow for better gas exchange. B. Sally's heart rate increases preparing for possible activity. C. Sally's muscle tone increases as she becomes paralyzed with fear. D. Sally's heart rate decreases to allow her to hear the noise better.