Which type of tissue has the greatest capacity to regenerate?
Muscle
Nervous
Epithelial
All of the above tissue have about equal ability to regenerate.
The Correct Answer is C
A. Muscle: Muscle tissue (especially cardiac and skeletal) has a very limited capacity to regenerate and often heals via scarring (fibrosis).
B. Nervous: Nervous tissue has the least regenerative capacity, particularly in the Central Nervous System.
C. Epithelial: Epithelial tissues (like skin and the lining of the gut) constantly undergo cell division and have a high capacity for repair and regeneration.
D. All of the above: Incorrect, as the capacity varies wildly between these tissue types.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. increased residual volume: Excessive fluid in the pleural space (pleural effusion) compresses the lung, making it harder to keep air inside, usually not increasing the residual volume.
B. decreased vital capacity: The fluid occupies space in the chest cavity and prevents the lung from fully expanding, the maximum amount of air a person can inhale and exhale (vital capacity) is reduced.
C. increased functional reserve volume: Lung compression typically reduces all functional volumes rather than increasing them.
D. decreased tidal volume: While tidal volume might eventually decrease, the primary clinical indicator of restrictive lung pressure from fluid is the decrease in total Vital Capacity.
Correct Answer is C
Explanation
A. medulla: The medulla oblongata controls autonomic functions like breathing and heart rate.
B. pons: The pons acts as a bridge for signals between different parts of the brain and helps regulate breathing.
C. cerebellum: The cerebellum is specifically responsible for coordinating muscle movement, posture, and maintaining balance.
D. hypothalamus: As noted previously, the hypothalamus focuses on homeostasis and hormone regulation, not physical balance.
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