After the law firm retreat, attorney George is exiled to live in the most northern region of Greenland where he never gets any sunlight. What might be a result with regard to his skeletal system?
he could develop brittle bones
he could develop very dense bones
he could develop soft, bowed bones
he could develop nightmares
The Correct Answer is C
A. he could develop brittle bones
Brittle bones are more associated with osteoporosis or osteogenesis imperfecta, not primarily from vitamin D deficiency due to lack of sunlight.
B. he could develop very dense bones
Dense bones are seen in conditions like osteopetrosis, which results from defective osteoclast activity-not lack of sunlight.
C. he could develop soft, bowed bones
Lack of sunlight leads to vitamin D deficiency, impairing calcium absorption, which causes rickets in children and osteomalacia in adults, both of which involve soft, weakened bones that may bow under body weight.
D. he could develop nightmares
While isolation might impact mental health, this has no direct link to skeletal effects or bone physiology.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. white blood cells and nutrients to get to site of injury quicker; redness: Vasodilation increases blood flow, bringing immune cells and nutrients quickly to the site. Increased blood flow also causes redness (rubor), a classic sign of inflammation.
B. white blood cells to leave blood vessels at site of injury; redness: While WBCs do exit blood vessels during inflammation (diapedesis), redness is more directly caused by increased blood flow, not by WBC migration.
C. white blood cells and nutrients to get to site of injury quicker; swelling: Vasodilation leads to increased blood flow (causing redness), while swelling (tumor) is more due to increased vascular permeability and fluid leakage.
D. white blood cells to leave blood vessels at site of injury; edema: This describes part of the inflammatory process correctly (WBC extravasation and edema), but vasodilation itself mainly leads to increased blood flow and redness, not edema.
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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