The laryngopharynx is lined with which type of epithelium?
a. stratified squamous
b. simple columnar
c. pseudostratified
d. simple squamous
Answer: a. stratified squamous
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Which of the following statements regarding contraction of a skeletal muscle fiber is TRUE?
A. Some contractions occur without cross-bridge activation. B. Contracting muscle fibers do not always shorten. C. Contraction only occurs following summation of action potentials from many motor neurons. D. Contraction does not always require the occurrence of an action potential. E. Thick filaments shorten when muscle cells contract.
The axon of an afferent neuron could synapse with:
a. a sense organ b. a muscle cell c. an interneuron d. a gland
The receptors for the baroreceptor reflex are located in the ____________________ and ____________________
Fill in the blank(s) with correct word
Untreated diabetes mellitus results in all of the following except
a. increased urinary excretion of glucose b. metabolic acidosis c. dehydration d. decreased levels of fatty acids in the blood e. increased levels of amino acids in the blood