Some older adults have impaired inflammation and wound healing because of which problem?
Number of mast cells is insufficient
Circulatory impairment
Underlying chronic illness(es)
Complement and chemotaxis are deficient
The Correct Answer is C
Choice A reason: Insufficient mast cell numbers are not a primary cause of impaired healing in older adults. Mast cells contribute to inflammation, but chronic diseases like diabetes disrupt multiple healing pathways more significantly, making this incorrect.
Choice B reason: Circulatory impairment, such as atherosclerosis, can delay healing by limiting oxygen and nutrient delivery. However, it’s often a consequence of chronic illnesses like diabetes, which broadly affect healing, making this less primary than chronic conditions.
Choice C reason: Underlying chronic illnesses, like diabetes or cardiovascular disease, impair inflammation and wound healing in older adults by disrupting immune function, collagen deposition, and perfusion. These prevalent conditions directly impact healing, making this the correct cause.
Choice D reason: Complement and chemotaxis deficiencies occur in specific immunodeficiencies, not commonly in aging. Chronic illnesses like diabetes more consistently impair healing through systemic effects, making this a less likely primary cause.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Hemorrhagic stroke often causes headache and severe neurological deficits, not just sudden weakness. Ischemic stroke, from a clot, fits Isky’s sudden focal symptoms, so this is incorrect.
Choice B reason: Ischemic stroke, caused by arterial occlusion, presents with sudden weakness, numbness, and speech issues, as seen in Isky. Her risk factors (hypertension, diabetes, smoking) support this, making it correct.
Choice C reason: Transient ischemic attack resolves quickly, unlike Isky’s ongoing symptoms. Ischemic stroke causes persistent deficits, matching her presentation, so this is incorrect for the stroke type.
Choice D reason: Subarachnoid hemorrhage typically involves severe headache, not focal weakness. Ischemic stroke aligns with Isky’s sudden, unilateral symptoms, so this is incorrect for her condition.
Correct Answer is C
Explanation
Choice A reason: Appendicitis typically causes diarrhea or reduced bowel movements, not constipation with gastric distention. Hyperthermia and tachycardia are common due to inflammation, so this is incorrect for appendicitis manifestations.
Choice B reason: Appendicitis is associated with leukocytosis, not leukopenia, reflecting infection. Constipation is less common than diarrhea or pain, so hyperthermia and tachycardia better match, making this incorrect.
Choice C reason: Appendicitis causes hyperthermia (fever) from infection and tachycardia from pain and inflammation. These are classic manifestations, aligning with the body’s response to appendiceal inflammation, making this the correct choice.
Choice D reason: Hypothermia and bradycardia are not typical in appendicitis; fever and increased heart rate occur due to infection. Hyperthermia and tachycardia are expected, so this is incorrect for appendicitis symptoms.
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