An example of a fat-soluble vitamin is
A. vitamin F.
B. vitamin H.
C. vitamin C.
D. vitamin D.
E. vitamin B.
D
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The "ABCD rule" for recognizing early signs of malignant melanoma refers to the following characteristics of the lesion:
A. asymmetry, border irregularity, color, and diameter. B. asymmetry, brightness, color, and diameter. C. aspect, brightness, color, and distance. D. aspect, border irregularity, color, and distance. E. area, border irregularity, color, and density.
How do substances move across capillaries?
A) Diffusion B) Through pores C) Transcytosis D) All of the above
When one eats a high-sodium meal, why does it not raise the sodium ion concentration of body fluids?
A) The osmolarity of the ECF falls. B) Osmosis moves water from the digestive epithelium to the ECF. C) Both the ECF and the ICF become more dilute. D) There is an increase in the volume of the ICF. E) Water is exchanged for sodium chloride as it crosses the digestive epithelium.
Which of the following describes the plasma membrane?
A) A single layer of phospholipids forms the membrane. B) A bilayer of phospholipids forms the membrane. C) A double layer of protein forms the membrane. D) The membrane is made up of cristae.