During repolarization of the plasma membrane,
A) Na+ diffuses into the cell.
B) Na+ diffuses out of the cell.
C) K+ diffuses into the cell.
D) K+ diffuses out of the cell.
Answer: D) K+ diffuses out of the cell.\
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Vertebrae of which regions are fused in the adult?
A) lumbar region B) sacral region C) coccygeal region D) thoracic E) sacral and coccygeal regions
Which of the following substances should not be filtered?
A) glucose B) water C) proteins D) amino acids E) fatty acids
For a relatively small injury, a platelet plug is formed within 1 minute
Indicate whether this statement is true or false.
You may have noticed that after a large meal you have had some difficulty breathing. Which explanation is most accurate with regard to this situation?
A. The large quantity of food retards pulmonary blood flow. B. A full stomach impedes contraction of the diaphragm, limiting inhalation. C. The food presses on the bronchi, making air flow difficult. D. Oxygen to the lungs is restricted due to fullness in the stomach.