Air flows out of the body during expiration because
A. intrapulmonary pressure is greater than atmospheric pressure.
B. intrapleural pressure is greater than intrapulmonary pressure.
C. intrapleural pressure is greater than atmospheric pressure.
D. atmospheric pressure is greater than intrapulmonary pressure.
Answer: A
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A low red cell count could cause which of the following problems?
A) a reduced rate of diapedesis B) inefficient toxin removal from the tissues C) diminished transport of oxygen and carbon dioxide D) impaired immune response E) All of the answers are correct.
____________________ anemia results from the failure of the bone marrow to produce sufficient numbers of red blood cells
Fill in the blank(s) with correct word
Precursor mRNA is larger than the mRNA it forms.
Answer the following statement true (T) or false (F)
When sodium is actively transported from tubular cells to the interstitial fluid,
A. no energy is needed. B. glucose and amino acids are countertransported at the same time. C. Na+ concentration gradient is established between the tubule lumen and tubule cell. D. water is countertransported by carrier molecules. E. water is secreted.