Filtration of the blood takes place in which organ?
A. Kidney
B. Heart
C. Lungs
D. Stomach
Answer: A
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Nutrients reach the surface of the skin (epidermis) through the process of ________.
A) absorbing materials applied to the surface layer of the skin B) utilizing the products of merocrine glands to nourish the epidermis C) filtration D) diffusing through the tissue fluid from blood vessels in the dermis
The most important molecules for making the cell membrane selectively permeable are ________.
A. carbohydrates B. phospholipids C. cholesterol molecules D. ATP molecules
The prone position is best for the pelvic exam
Indicate whether the statement is true or false.
Visual pigments are derivatives of
A) vitamin A. B) the vitreous body. C) the aqueous humor. D) vitamin K. E) vitamin E.