You meet the love of your life, but you are concerned that his teeth are falling out, and he tells you he has very brittle bones. What might you suggest he begin supplementing his diet with?
vitamin A
vitamin D
vitamin C
vitamin E
The Correct Answer is B
A. vitamin A
Vitamin A plays a role in bone remodeling, but excess vitamin A can cause bone fragility. It’s not the first recommendation in cases of brittle bones.
B. vitamin D
Vitamin D helps the body absorb calcium from the digestive tract. A deficiency can lead to osteomalacia (soft bones) or osteoporosis (brittle bones), and also contributes to tooth decay.
C. vitamin C
Vitamin C is needed for collagen synthesis, which is important in bone matrix formation, but deficiency leads to scurvy, not typically brittle bones and teeth loss in this context.
D. vitamin E
Vitamin E is an antioxidant but does not have a primary role in bone or dental health.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. medullary cavity
This cavity holds marrow (red or yellow), not cartilage.
B. epiphyseal line
The epiphyseal line in adults is a remnant of the epiphyseal plate, but does not contain cartilage.
C. ends of the bones
Both Peter and Paul have articular hyaline cartilage at the ends of long bones for joint function.
D. epiphyseal plate
Only children like Peter have an epiphyseal plate (growth plate), which is made of hyaline cartilage. This area allows for bone lengthening during growth and becomes the epiphyseal line in adults like Paul.
E. in periosteum
The periosteum is a connective tissue membrane around bone-not cartilage.
Correct Answer is B
Explanation
A. transitional epithelium - specialized for stretch: This is correctly matched. Transitional epithelium lines the urinary bladder and stretches to accommodate urine volume changes.
B. pseudostratified epithelium - multiple layers for protection: This is mismatched. Pseudostratified epithelium appears to have multiple layers due to nuclei at different levels, but all cells touch the basement membrane, so it is a single layer and not primarily for protection.
C. simple cuboidal - found in kidneys, glands, liver: Correctly matched. Simple cuboidal epithelium is commonly found in these organs and is involved in secretion and absorption.
D. keratinized stratified squamous - epidermis of skin: Correctly matched. This type of epithelium forms the outer layer of skin and provides protection against abrasion and water loss.
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