Skin, lung, and blood vessel walls have which tissue characteristic in common?
elastic fibers
reticular fibers
simple squamous epithelium
simple columnar epithelium
The Correct Answer is A
A. elastic fibers: Elastic fibers are present in the skin, lungs, and blood vessel walls, providing resilience and the ability to stretch and recoil. In the skin, they maintain flexibility; in the lungs, they allow expansion and recoil during breathing; in blood vessels, they help accommodate pressure changes from blood flow.
B. reticular fibers: Reticular fibers form supportive networks in organs like the spleen, liver, and lymph nodes, but they are not a common feature of skin, lungs, or blood vessel walls.
C. simple squamous epithelium: Simple squamous epithelium is found lining blood vessels (endothelium) and alveoli in the lungs, but it is not present in the skin, so it is not a shared characteristic of all three tissues.
D. simple columnar epithelium: Simple columnar epithelium lines parts of the digestive tract and some glandular ducts but is absent from skin, lungs, and blood vessels, making it irrelevant as a shared feature.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. dehydration:Massive third-degree burns destroy the skin barrier, allowing significant fluid loss through evaporation. This leads to hypovolemic shock, which is the most immediate and life-threatening concern after a severe burn.
B. unbearable pain:Third-degree burns often destroy nerve endings in the affected area, so pain may be minimal at the burn site itself. Pain is distressing but not the first life-threatening issue.
C. loss of immune function:Severe burns compromise the skin’s protective role, increasing susceptibility to infection. However, immune compromise develops over hours to days, making it a secondary threat compared to fluid loss.
D. infection:Infection is a major risk in burn patients due to the loss of the protective barrier, but it typically develops later. Immediate fluid loss poses a more urgent threat to life in the first hours following the burn.
Correct Answer is A
Explanation
True:Hyperplasia refers to an increase in the number of cells in a tissue or organ, often in response to a specific stimulus or increased functional demand. It is a controlled process that occurs when additional cells are needed, such as during tissue repair or in response to hormonal signals.
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