Question 19 CORRECT To assess the kidney function of a patient with an

Question 19 correct to assess the kidney function of

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Question 19 CORRECT To assess the kidney function of a patient with an indwelling urinary (Foley) catheter, the nurse measures his hourly urine output. She should notify the physician if the urine output is: Less than 30 ml/hour 64 ml in 2 hours 90 ml in 3 hours 125 ml in 4 hours Question 19 Explanation: Option A: A urine output of less than 30ml/hour indicates hypovolemia or oliguria, which is related to kidney function and inadequate fluid intake. Question 20 CORRECT An additional Vitamin C is required during all of the following periods except: Infancy Young adulthood
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Childhood Pregnancy Question 20 Explanation: Option B: Additional Vitamin C is needed in growth periods, such as infancy and childhood, and during pregnancy to supply demands for fetal growth and maternal tissues. Other conditions requiring extra vitamin C include wound healing, fever, infection and stress. Question 21 WRONG The most common deficiency seen in alcoholics is: Thiamine Riboflavin Pyridoxine Pantothenic acid Question 21 Explanation: Option A: Chronic alcoholism commonly results in thiamine deficiency and other symptoms of malnutrition. Question 22 CORRECT
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A prescribed amount of oxygen s needed for a patient with COPD to prevent: Cardiac arrest related to increased partial pressure of carbon dioxide in arterial blood (PaCO2) Circulatory overload due to hypervolemia Respiratory excitement Inhibition of the respiratory hypoxic stimulus Question 22 Explanation: Option D: Delivery of more than 2 liters of oxygen per minute to a patient with chronic obstructive pulmonary disease (COPD), who is usually in a state of compensated respiratory acidosis (retaining carbon dioxide (CO2)), can inhibit the hypoxic stimulus for respiration. Option A: An increased partial pressure of carbon dioxide in arterial blood (PACO2) would not initially result in cardiac arrest. Options B and C: Circulatory overload and respiratory excitement have no relevance to the question. Question 23 CORRECT Examples of patients suffering from impaired awareness include all of the following except: A semiconscious or overfatigued patient A disoriented or confused patient
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A patient who cannot care for himself at home A patient demonstrating symptoms of drugs or alcohol withdrawal Question 23 Explanation: Option C: A patient who cannot care for himself at home does not necessarily have impaired awareness; he may simply have some degree of immobility. Question 24 WRONG All of the following can cause tachycardia except: Fever Exercise Sympathetic nervous system stimulation Parasympathetic nervous system stimulation Question 24 Explanation: Option D: Parasympathetic nervous system stimulation of the heart decreases the heart rate as well as the force of contraction, rate of impulse conduction and blood flow through the coronary vessels. Fever, exercise, and sympathetic stimulation all increase the heart rate.
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