Blood flow is greatest at the ________ of the lungs and perfusion is greatest at the ________ of the lungs.
A. base; base
B. base; apex
C. apex; apex
D. apex; base
Answer: A
Anatomy & Physiology
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A low platelet count is referred to as __________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Which female structure is homologous to the male scrotum?
A. Labia minora B. Labia majora C. Clitoris D. Urethra E. Vagina
Anatomy & Physiology
The tissue that contracts to provide force is the ________ tissue.
A. connective B. muscle C. nerve D. epithelial
Anatomy & Physiology
Target cells make more receptors for a particular hormone when the level of that hormone declines in the blood stream. This process is known as:
A) upregulation. B) the second-messenger system. C) synergism. D) downregulation.
Anatomy & Physiology