Fibrosis...
A) is when the damaged cells are able to recover and return to normal function.
B) is when the damaged cells are beyond recovery and so the body replaces them with new healthy cells of the same type that function normally.
C) is when the cells or tissue is damaged and is replaced with scar tissue, rather than healthy cells. This scar tissue is nonfunctional.
D) is when all the cells die.
Answer: C) is when the cells or tissue is damaged and is replaced with scar tissue, rather than healthy cells. This scar tissue is nonfunctional.
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Which of the following statements indicates the way in which the body's natural defenses protect the skin from the effects of UV damage?
A) The skin is protected by the synthesis of three pigments that contribute to the skin's color. B) Carotene, which accumulates in the stratum corneum and hypodermal adipose tissue, is synthesized in large amounts in the presence of sunlight. C) The skin is protected by increasing the number of epidermal dendritic cells, which help to activate the immune system. A) The skin is protected by the synthesis of three pigments that contribute to the skin's color. B) Carotene, which accumulates in the stratum corneum and hypodermal adipose tissue, is synthesized in large amounts in the presence of sunlight. C) The skin is protected by increasing the number of epidermal dendritic cells, which help to activate the immune system. D) Prolonged exposure to the sun induces melanin dispersion, which in turn acts as a natural sunscreen.
Newborns can acquire __________ immunity through breast milk
A) innate B) active C) passive D) specific
Which spinal segments have been damaged if a person has difficulty typing?
A) C5—C6 B) C5—C7 C) C1 and C2 D) C3 and C4 E) C8—T1
Which type of epithelial tissue lines the fallopian tubes, uterus, and some bronchioles of the respiratory tract?
a) Simple cuboidal epithelium b) Simple columnar epithelium c) Stratified columnar epithelium d) Stratified cuboidal epithelium e) Transitional epithelium