Which of the following statements regarding pulmonary surfactant is TRUE?
A. It is secreted by type I alveolar cells.
B. It increases the compliance of the lungs.
C. It increases airway resistance.
D. It is secreted into the intrapleural space.
E. It can only interact with other lipid molecules.
B
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If a patient's tricuspid valve was leaking during systole, what would happen?
A) regurgitation back into the right atrium B) regurgitation back into the superior vena cava C) regurgitation back into the left atrium D) regurgitation back into the aorta E) regurgitation back into the pulmonary trunk
Proteins are manufactured in mitochondria.
Answer the following statement true (T) or false (F)
The reabsorption of glucose occurs primarily through the walls of the
A. nephron loop. B. distal convoluted tubule. C. glomerular capsule. D. proximal convoluted tubule.
Which of the following is a requirement for pregnancy to occur?
A. There must be a sperm and an egg. B. The fertilized egg must implant in the uterus. C. The sperm must meet and fertilize the egg. D. All of these must happen for pregnancy to occur.