The stratum basale
A. contains cells that undergo mitosis to form new epidermal cells.
B. contains many blood vessels that nourish the epidermis.
C. contains cells that undergo meiosis to form new epidermal cells.
D. is easily shed when you rub your hands together.
E. has a mixture of living and dead cells-mostly dead.
Answer: A
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Because of their role in material exchanges, the ________ are considered to be the functional units of the cardiovascular system.
Fill in the blank(s) with the appropriate word(s).
In a patient with an abnormally leaky aortic valve, what would you expect?
A. Some backflow of blood into the aorta during ventricular diastole B. Some backflow of blood into the aorta during ventricular ejection C. Some backflow of blood into the left atrium during ventricular systole D. Some backflow of blood into the left ventricle during ventricular diastole E. Some backflow of blood into the left ventricle during ventricular ejection
What is the precursor of all blood cells in the human body?
a. myeloblast b. megakaryocyte c. hemocytoblast d. none of the listed responses is correct
A fibrous joint cannot also be which of the following?
A. A gomphosis B. A synarthrosis C. A suture D. A diarthrosis