Without surfactant, _______.
A. the surface tension of the liquid in the alveoli would be less and the alveoli would collapse
B. the alveoli would collapse
C. the surface tension of the liquid in the alveoli would be greater
D. the surface tension of the liquid in the alveoli would be greater and the alveoli would collapse
E. the surface tension of the liquid in the alveoli would be less
Answer: D. the surface tension of the liquid in the alveoli would be greater and the alveoli would collapse
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Which of the following is the main component of the cell membrane?
A) carbohydrates. B) phospholipids. C) water. D) cholesterol. phospholipids.
The two extracellular compartments in the body are ________ and ________.
Fill in the blank(s) with the appropriate word(s).
Ions with a negative charge are called
A) cations. B) anions. C) protons. D) positrons. E) polar molecules.
The pleural cavity is the
A. a double-layered serous membrane that anchors some of the abdominal organs to the body wall. B. the serous membrane that covers the lungs. C. the serous membrane that lines the abdominal and pelvic cavities. D. space located between the visceral and parietal pleura. E. the membrane that lines the pericardial sac.