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 D
Explanation
A. osteogenesis imperfecta
This is brittle bone disease, caused by defective collagen, not muscle turning into bone.
B. osteopetrosis
This is a rare condition involving overly dense bones due to osteoclast failure, not soft tissue ossification.
C. chondroidal ossification
This is not a recognized clinical condition. Ossification of cartilage does occur in development but doesn’t describe Harry's case.
D. fibrodysplasia ossificans progressiva (FOP)
FOP is a rare genetic disorder where soft connective tissues such as muscles, tendons, and ligaments turn into bone, progressively restricting movement and ultimately leading to complications that may be fatal.
E. osteoarthritis
This involves cartilage degeneration at joints due to wear and tear-not ectopic bone formation in soft tissues.
Correct Answer is B
Explanation
A. endochondral growth
Endochondral ossification is the process of bone formation from cartilage, not cartilage growth itself.
B. interstitial growth
Interstitial growth occurs within the cartilage as chondrocytes divide and secrete matrix, expanding the tissue from the inside.
C. appositional growth
Appositional growth occurs when new layers are added to the surface of cartilage or bone by cells in the perichondrium or periosteum.
D. intramembranous growth
Intramembranous ossification is a bone formation process, where bone develops directly from mesenchyme, not a method of cartilage growth.
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