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The nurse clarifies that the three functions of epithelial tissue are protection, , and secretion.
Correct Answer: absorption
Rationale: The function of epithelial tissue is protection by covering the body and preventing invasion; absorption by absorbing material; and secretion by secreting mucus to line and moisten the body surfaces.
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Active transport in the movement of ions and other water-soluble particles across cell membranes requires that the body uses which process?
- A. rapid filtration.
- B. charged diffusion.
- C. a chemical pump.
- D. osmosis.
Correct Answer: C
Rationale: Active transport of ions and other water-soluble particles of the cell membrane require a chemical pump, such as insulin, to move glucose into the cell.
The nurse explains that are small saclike structures inside the cell that digest compounds that have invaded the cell.
Correct Answer: lysosomes
Rationale: Lysosomes are small saclike structures inside the cell that digest compounds that have invaded the cell.
Which is the broad section of biology dealing with the description of human structure?
- A. Hematology
- B. Anatomy
- C. Kinesiology
- D. Physiology
Correct Answer: B
Rationale: Anatomy is the study, classification, and description of the structure and organs of the body.
Which is the function of epithelial membranes?
- A. Secretes mucus, lines ends of bones, and lines bursae.
- B. Lines ends of bones, secretes synovial fluid, and lines internal surfaces of organs.
- C. Covers the wall of lower digestive tract, secretes mucus, and lines lungs, peritoneum, and pericardium.
- D. Lines lungs, peritoneum, and pericardium, and secretes synovial fluid.
Correct Answer: C
Rationale: The epithelial membrane secretes mucus, lines the lungs, peritoneum, and pericardium, and covers the wall of the lower digestive tract. The synovial membrane secretes synovial fluid to prevent friction between joints and the ends of bones, and lines the bursae found between moving body parts.
Which is the type of tissue associated with the storage of fat?
- A. Areolar tissue
- B. Adipose tissue
- C. Osseous tissue
- D. Muscle tissue
Correct Answer: B
Rationale: Adipose tissue is associated with the important function of storing fat.