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 D
Explanation
A. collagen
Collagen provides tensile strength and structural support in connective tissues but is not water-resistant or as hard as keratin.
B. elastic
Elastic fibers allow tissues to stretch and recoil. They are not hard or water-resistant.
C. hyaluronic acid fibrin
Hyaluronic acid is a glycosaminoglycan important for hydration in connective tissue; fibrin is a clotting protein. Neither is a hard, water-resistant structural protein.
D. keratin
Keratin is a fibrous protein found in skin, hair, and nails. It provides a tough, water-resistant barrier on the outer skin (especially in the stratum corneum).
Correct Answer is A
Explanation
A. occurs constantly during a person's lifetime
Bone is a dynamic tissue. Remodeling occurs throughout life to adapt to stress, repair microfractures, and regulate calcium levels.
B. is involved in Na⁺ regulation
Bone remodeling primarily involves calcium and phosphate regulation, not sodium.
C. only occurs after a bone has been broken and is healing
Remodeling happens continuously, not just after fractures. Healing is one scenario, but it's not exclusive.
D. does not occur when bones adjust to particular stresses
False. One of the main purposes of remodeling is to adapt to mechanical stress (e.g., weightlifting increases bone density).
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