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NCLEX-RN Exam Questions - Part 159
1. A client is to be discharged from the hospital and is to continue taking warfarin 2.5 mg po bid. Which of the following should be included in her discharge teaching concerning the warfarin therapy?
A) 'If you forget to take your morning dose, double the night time dose.'
B) 'You should take aspirin instead of acetaminophen (Tylenol) for headaches.'
C) 'Carry a medications alert card with you at all times.'
D) 'You should use a straight-edge razor when shaving your arms and legs.'
2. A 40-year-old client has been admitted to the hospital with severe substernal chest pain radiating down his left arm. The nurse caring for the client establishes the following priority nursing diagnosisAlteration in comfort, pain related to:
A) Increased excretion of lactic acid due to myocardial hypoxia
B) Increased blood flow through the coronary arteries
C) Decreased stimulation of the sympathetic nervous system
D) Decreased secretion of catecholamines secondary to anxiety
3. Morphine sulfate 4 mg IV push q2h prn for chest pain was ordered for a client in the emergency room with severe chest pain. The nurse administering the morphine sulfate knows which of the following therapeutic actions is related to the morphine sulfate?
A) Increased level of consciousness
B) Increased rate and depth of respirations
C) Increased peripheral vasodilation
D) Increased perception of pain
4. The nurse notes scattered crackles in both lungs and 1+ pitting edema when assessing a cardiac client. The physician is notified and orders furosemide (Lasix) 80 mg IV push stat. Which of the following diagnostic studies is monitored to assess for a major complication of this therapy?
A) Serum electrolytes
B) Arterial blood gases
C) Complete blood count
D) 12-Lead ECG
5. Prior to his discharge from the hospital, a cardiac client is started on digoxin (Lanoxin) 25 mg po qd. The nurse initiates discharge teaching. Which of the following statements by the client would validate an understanding of his medication?
A) 'I would notify my physician immediately if I experience nausea, vomiting, and double vision.'
B) 'I could stop taking this medication when I begin to feel better.'
C) 'I should only take the medication if my heart rate is greater than 100 bpm.'
D) 'I should always take this medication with an antacid.'
A) 'If you forget to take your morning dose, double the night time dose.'
B) 'You should take aspirin instead of acetaminophen (Tylenol) for headaches.'
C) 'Carry a medications alert card with you at all times.'
D) 'You should use a straight-edge razor when shaving your arms and legs.'
2. A 40-year-old client has been admitted to the hospital with severe substernal chest pain radiating down his left arm. The nurse caring for the client establishes the following priority nursing diagnosisAlteration in comfort, pain related to:
A) Increased excretion of lactic acid due to myocardial hypoxia
B) Increased blood flow through the coronary arteries
C) Decreased stimulation of the sympathetic nervous system
D) Decreased secretion of catecholamines secondary to anxiety
3. Morphine sulfate 4 mg IV push q2h prn for chest pain was ordered for a client in the emergency room with severe chest pain. The nurse administering the morphine sulfate knows which of the following therapeutic actions is related to the morphine sulfate?
A) Increased level of consciousness
B) Increased rate and depth of respirations
C) Increased peripheral vasodilation
D) Increased perception of pain
4. The nurse notes scattered crackles in both lungs and 1+ pitting edema when assessing a cardiac client. The physician is notified and orders furosemide (Lasix) 80 mg IV push stat. Which of the following diagnostic studies is monitored to assess for a major complication of this therapy?
A) Serum electrolytes
B) Arterial blood gases
C) Complete blood count
D) 12-Lead ECG
5. Prior to his discharge from the hospital, a cardiac client is started on digoxin (Lanoxin) 25 mg po qd. The nurse initiates discharge teaching. Which of the following statements by the client would validate an understanding of his medication?
A) 'I would notify my physician immediately if I experience nausea, vomiting, and double vision.'
B) 'I could stop taking this medication when I begin to feel better.'
C) 'I should only take the medication if my heart rate is greater than 100 bpm.'
D) 'I should always take this medication with an antacid.'
1. Right Answer: C
Explanation: (A) Warfarin must always be taken exactly as directed. Clients should be instructed never to skip or double up on their dosage. (B) Aspirin decreases platelet aggregation, which would potentiate the effects of the coumadin. (C) Healthcare providers need to be aware of persons on warfarin therapy prior to the initiation of any diagnostic tests and/or surgery to help prevent bleeding complications. (D) An electric razor should be used to prevent accidental cutting, which can lead to bleeding.
2. Right Answer: A
Explanation: (A) Anaerobic metabolism results because the decreased blood supply to the myocardium causes a release of lactic acid. Lactic acid is an irritant to the myocardial neural receptors, producing chest pain. (B) Chest pain is caused by a decrease in the O2 supply to the myocardial cells. Treatment modalities for chest pain are aimed toward increasing the blood flow through coronary arteries. (C) Chest pain causes an increase in the stimulation of the sympathetic nervous system. This stimulation increases the heart rate and blood pressure, causing an increase in myocardial workload aggravating the chest pain. (D) Chest pain and anxiety cause increased secretion of catecholamines by stimulating the sympathetic nervous system. This stimulation increases chest pain by increasing the workload of the heart.
3. Right Answer: C
Explanation: (A) Morphine sulfate, a narcotic analgesic, causes sedation and a decrease in level of consciousness. (B) The side effects of morphine sulfate include respiratory depression. (C) Morphine sulfate causes peripheral vasodilation, which decreases afterload, producing a decrease in the myocardial workload. (D) Morphine sulfate alters the perception of pain through an unclear mechanism. This alteration promotes pain relief.
4. Right Answer: A
Explanation: (A) Furosemide, a potassium-depleting diuretic, inhibits the reabsorption of sodium and chloride from the loop of Henle and the distal renal tubules. Serum electrolytes are monitored for hypokalemia. (B) Severe acid-base imbalances influence the movement of potassium into and out of the cells, but arterial blood gases to not measure the serum potassium level. (C) Furosemide is a potassium-depleting diuretic. A complete blood count does not reflect potassium levels. (D)Abnormalities in potassium (both hyperkalemia and hypokalemia) are reflected in ECG changes, but these changes do not occur until the abnormality is severe.
5. Right Answer: A
Explanation: (A) The first signs of digoxin toxicity include abdominal pain, anorexia, nausea, vomiting, and visual disturbances. The physician should be notified if any of these symptoms are experienced. (B) The positive inotropic effects of digoxin increase cardiac output and result in an enhanced activity tolerance. 'Feeling better' indicates the drug is working and medication therapy must be continued. (C) Clients should be taught to take their pulse prior to taking the digoxin. If their pulse rate becomes irregular, slows significantly, or is >100 bpm the physician should be notified. (D) Antacids decrease the effectiveness of digoxin.
Explanation: (A) Warfarin must always be taken exactly as directed. Clients should be instructed never to skip or double up on their dosage. (B) Aspirin decreases platelet aggregation, which would potentiate the effects of the coumadin. (C) Healthcare providers need to be aware of persons on warfarin therapy prior to the initiation of any diagnostic tests and/or surgery to help prevent bleeding complications. (D) An electric razor should be used to prevent accidental cutting, which can lead to bleeding.
2. Right Answer: A
Explanation: (A) Anaerobic metabolism results because the decreased blood supply to the myocardium causes a release of lactic acid. Lactic acid is an irritant to the myocardial neural receptors, producing chest pain. (B) Chest pain is caused by a decrease in the O2 supply to the myocardial cells. Treatment modalities for chest pain are aimed toward increasing the blood flow through coronary arteries. (C) Chest pain causes an increase in the stimulation of the sympathetic nervous system. This stimulation increases the heart rate and blood pressure, causing an increase in myocardial workload aggravating the chest pain. (D) Chest pain and anxiety cause increased secretion of catecholamines by stimulating the sympathetic nervous system. This stimulation increases chest pain by increasing the workload of the heart.
3. Right Answer: C
Explanation: (A) Morphine sulfate, a narcotic analgesic, causes sedation and a decrease in level of consciousness. (B) The side effects of morphine sulfate include respiratory depression. (C) Morphine sulfate causes peripheral vasodilation, which decreases afterload, producing a decrease in the myocardial workload. (D) Morphine sulfate alters the perception of pain through an unclear mechanism. This alteration promotes pain relief.
4. Right Answer: A
Explanation: (A) Furosemide, a potassium-depleting diuretic, inhibits the reabsorption of sodium and chloride from the loop of Henle and the distal renal tubules. Serum electrolytes are monitored for hypokalemia. (B) Severe acid-base imbalances influence the movement of potassium into and out of the cells, but arterial blood gases to not measure the serum potassium level. (C) Furosemide is a potassium-depleting diuretic. A complete blood count does not reflect potassium levels. (D)Abnormalities in potassium (both hyperkalemia and hypokalemia) are reflected in ECG changes, but these changes do not occur until the abnormality is severe.
5. Right Answer: A
Explanation: (A) The first signs of digoxin toxicity include abdominal pain, anorexia, nausea, vomiting, and visual disturbances. The physician should be notified if any of these symptoms are experienced. (B) The positive inotropic effects of digoxin increase cardiac output and result in an enhanced activity tolerance. 'Feeling better' indicates the drug is working and medication therapy must be continued. (C) Clients should be taught to take their pulse prior to taking the digoxin. If their pulse rate becomes irregular, slows significantly, or is >100 bpm the physician should be notified. (D) Antacids decrease the effectiveness of digoxin.
80% DISCOUNT: NCLEX-RN PRACTICE EXAMS
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