Which of the following statement about selenium is FALSE?
A. It is present in several selenoproteins in humans.
B. It is a nonmetal.
C. It is not important for proper maintenance of health in humans.
D. Selenocysteine is a biologically active compound in humans.
C
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A patient breathing room air at sea level has the following arterial blood gases: PaO2 = 62 mm Hg; PCO2 = 75 mm Hg. When the FIO2 is raised to 0.28, the PaO2 rises to 95 mm Hg. What is the most likely cause of the hypoxemia?
a. Hypoventilation b. Impaired diffusion c. Right-to-left shunt d. V/Q imbalance
In light scatter, the laser light is monochromatic, meaning it has only one ____________________.
Fill in the blank(s) with the appropriate word(s).
A patient's ________ background has an effect on his or her attitudes toward health and illness.
Fill in the blank(s) with the appropriate word(s).
Learning falls in to three main categories that are known as the ________ of learning.
A. behaviors B. facts C. skills D. domains E. actions