A high blood level of which substance causes hepatic coma?
Bilirubin
Calcium
Ammonia
Sodium
The Correct Answer is C
Choice A reason: While elevated bilirubin levels can indicate liver dysfunction and lead to jaundice, they are not the primary cause of hepatic coma. Bilirubin is a byproduct of red blood cell breakdown and its accumulation can cause yellowing of the skin and eyes.
Choice B reason: Calcium levels, whether high or low, can affect neuromuscular function and cardiac health, but they are not directly associated with causing hepatic coma. Hypercalcemia or hypocalcemia can present with various symptoms, but not typically with hepatic coma.
Choice C reason: Elevated ammonia levels are directly associated with hepatic coma. In patients with severe liver dysfunction, the liver cannot efficiently convert ammonia (a byproduct of protein metabolism) into urea for excretion. The accumulation of ammonia in the blood can cross the blood-brain barrier and lead to encephalopathy, resulting in confusion, altered mental status, and potentially hepatic coma.
Choice D reason: Sodium levels can affect neurological function, particularly with conditions like hypernatremia or hyponatremia. However, these imbalances are not the primary cause of hepatic coma. The direct link to hepatic coma is through elevated ammonia levels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Nursing supervisors generally oversee nursing staff and ensure that patient care standards are being met, but they are not primarily responsible for developing individualized plans of care.
Choice B reason: Registered nurses (RNs) are trained and licensed to develop individualized plans of care that include nursing diagnoses, interventions, and outcomes. They work closely with patients to understand their needs and create a plan that supports their health goals, including self-management care.
Choice C reason: Health care providers, such as medical doctors (MDs) or nurse practitioners (NPs), are responsible for diagnosing and treating medical conditions, but the development of detailed nursing care plans is typically outside their primary scope of practice.
Choice D reason: Licensed practical/vocational nurses (LPN/VN) provide basic nursing care and assist with patient care activities, but they do not generally develop comprehensive nursing care plans, which require the higher level of training and education that RNs receive.
Correct Answer is D
Explanation
Choice A reason: Health care providers such as medical doctors (MDs) and nurse practitioners (NPs) are responsible for diagnosing and treating medical conditions. While they play a crucial role in patient care, the development of a detailed, individualized nursing plan of care typically falls under the domain of nursing professionals.
Choice B reason: Licensed practical/vocational nurses (LPNs/LVNs) provide basic patient care under the supervision of registered nurses and physicians. They assist with implementing care plans but do not usually develop comprehensive nursing plans of care themselves.
Choice C reason: Nursing supervisors oversee the nursing staff and ensure that nursing care is delivered effectively. They may be involved in developing and overseeing care plans at a higher level but are not typically responsible for creating the individualized care plans for each patient.
Choice D reason: Registered nurses (RNs) are trained and licensed to develop individualized care plans that include nursing diagnoses, interventions, and outcomes. They work closely with patients to create and implement care plans that address specific health needs and promote self-management.
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