What manifestation(s) are expected when a person has a pulmonary embolus? (Select all that apply)
Red warm skin
Dizziness
Bradycardia
Hypoxia
Chest pain
Tachypnea
Correct Answer : B,D,E,F
Choice A reason: Red warm skin is not typical of pulmonary embolism. It may occur in infections or inflammation. Pulmonary embolism causes reduced lung perfusion, leading to hypoxia and systemic symptoms, not localized skin changes, making this choice incorrect.
Choice B reason: Dizziness occurs in pulmonary embolism due to reduced oxygen delivery to the brain from blocked pulmonary arteries, causing hypoxia. Decreased cardiac output from right heart strain also contributes, making this a correct manifestation of pulmonary embolism.
Choice C reason: Bradycardia is not typical; pulmonary embolism usually causes tachycardia as the heart compensates for hypoxia and increased pulmonary vascular resistance. Slow heart rate does not align with the body’s response to acute obstruction, making this incorrect.
Choice D reason: Hypoxia is a hallmark of pulmonary embolism, as blocked pulmonary arteries impair gas exchange, reducing oxygen in the blood. This leads to tissue oxygen deficiency, causing symptoms like shortness of breath, making this a correct manifestation.
Choice E reason: Chest pain in pulmonary embolism results from pleural irritation or ischemia due to blocked pulmonary arteries. The pain is often sharp and worsens with breathing, reflecting lung tissue stress, making this a correct manifestation.
Choice F reason: Tachypnea, or rapid breathing, occurs as the body attempts to compensate for hypoxia in pulmonary embolism. The respiratory system increases rate to improve oxygenation, a common response to impaired gas exchange, making this correct.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Addison’s disease causes adrenal insufficiency, reducing aldosterone, leading to sodium loss and decreased blood volume, causing hypotension. This is a hallmark symptom due to impaired vascular tone, making this the correct choice.
Choice B reason: Hyperglycemia is not typical in Addison’s disease. Cortisol deficiency may cause hypoglycemia due to reduced gluconeogenesis, not elevated glucose, making this choice incorrect for Addison’s manifestations.
Choice C reason: Weight gain is not associated with Addison’s disease, which causes weight loss due to reduced cortisol, leading to decreased appetite and metabolism. This makes the choice incorrect.
Choice D reason: Hypernatremia does not occur in Addison’s disease. Aldosterone deficiency causes sodium loss, leading to hyponatremia, not elevated sodium, making this choice incorrect for Addison’s disease.
Correct Answer is D
Explanation
Choice A reason: Hypoparathyroidism causes hypocalcemia due to low parathyroid hormone, reducing bone resorption and calcium absorption. Hypercalcemia requires increased calcium mobilization, which hypoparathyroidism prevents, making this choice incorrect for a person at risk of hypercalcemia.
Choice B reason: Chronic renal failure typically causes hypocalcemia due to impaired vitamin D activation and phosphate retention, binding calcium. Hypercalcemia is rare unless overtreated with calcium supplements, making this choice incorrect for typical renal failure scenarios.
Choice C reason: Low plasma albumin reduces bound calcium, lowering total serum calcium, not causing hypercalcemia. Free calcium may remain normal, but total calcium decreases, making this choice incorrect for a person at risk of hypercalcemia.
Choice D reason: Bedbound, immobile individuals are at risk for hypercalcemia due to increased bone resorption from lack of weight-bearing activity. Osteoclasts break down bone, releasing calcium into the blood, causing hypercalcemia, making this the correct choice.
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