Tissues that usually do not undergo mitosis as an adult but can due to a traumatic injury would consist of cells that are considered_______ and an example of this type of tissue would be ________
stable: epithelium
permanent; nervous
stable; liver
permanent; liver
labile; epithelium
The Correct Answer is C
A. stable; epithelium: Epithelium consists of labile cells, not stable ones. These cells divide frequently even without injury.
B. permanent; nervous: Nervous tissue is considered permanent, and neurons generally do not regenerate or undergo mitosis even after injury.
C. stable; liver: Stable cells do not divide under normal conditions but can be stimulated to divide after injury. Liver cells are a classic example.
D. permanent; liver: In The liver is capable of regeneration and therefore has stable, not permanent, cells.
E. labile; epithelium: This is a true match, but it does not answer the question asked. Labile cells divide regularly and are not "usually non-mitotic" as the question specifies.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. thin skin has five strata
Thin skin has only four strata and lacks the stratum lucidum, which is present only in thick skin (e.g., palms and soles).
B. thin and thick skin have abundant hair follicles
Thick skin lacks hair follicles entirely. Hair is present only in thin skin.
C. thick contains a stratum lucidum, corneum & granulosum
These three layers are prominent in thick skin, providing extra protection in high-friction areas like palms and soles.
D. thick is more widely distributed than thin
Thin skin is more widely distributed over the body. Thick skin is limited to palms and soles.
Correct Answer is B
Explanation
A. osteoporosis
This is a condition of reduced bone mass, often due to calcium/Vitamin D deficiency or hormonal imbalance-not defective collagen.
B. osteogenesis imperfecta
Known as “brittle bone disease”, osteogenesis imperfecta is a genetic disorder caused by defective or insufficient type I collagen, leading to fragile bones.
C. osteomalacia
Caused by Vitamin D deficiency, leading to soft bones due to defective mineralization, not collagen defects.
D. osteoarthritis
Degeneration of articular cartilage due to aging or wear-and-tear, not a collagen production issue.
E. osteopetrosis
A bone resorption disorder due to defective osteoclasts, resulting in abnormally dense but brittle bones-not due to collagen abnormalities.
F. fibrodysplasia ossificans progressiva
A rare genetic disorder in which soft tissue gradually turns into bone, unrelated to collagen production.
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