Nokea
The healthcare provider formulates a nursing diagnosis of 'High risk for ineffective airway clearance' for a client with myasthenia gravis. What is the most likely cause for this nursing diagnosis?
- A. Pain during coughing.
- B. Diminished cough effort.
- C. Thick, dry secretions.
- D. Excessive inflammation.
Correct Answer: B
Rationale: The correct answer is B: Diminished cough effort. In myasthenia gravis, muscle weakness can affect the muscles involved in coughing, leading to diminished cough effort. This can result in ineffective airway clearance, putting the client at high risk for respiratory complications. Pain during coughing (choice A) may occur but is not the primary cause of ineffective airway clearance in myasthenia gravis. Thick, dry secretions (choice C) and excessive inflammation (choice D) may contribute to airway clearance issues but are not as directly related to the underlying muscle weakness seen in myasthenia gravis.
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A client is on a mechanical ventilator. Which client response indicates that the neuromuscular blocker tubocurarine chloride (Tubarine) is effective?
- A. The client's extremities are paralyzed.
- B. The peripheral nerve stimulator causes twitching.
- C. The client clenches fist upon command.
- D. The client's Glasgow Coma Scale score is 14.
Correct Answer: A
Rationale: The correct answer is A because the neuromuscular blocker tubocurarine chloride causes muscle paralysis, leading to the extremities being paralyzed. This indicates that the medication is effectively blocking neuromuscular transmission.
B: Twitching with peripheral nerve stimulation indicates incomplete blockade.
C: Clenching fist upon command indicates preserved muscle strength.
D: Glasgow Coma Scale measures level of consciousness, not neuromuscular blockade.
An elderly female client comes to the clinic for a regular check-up. The client tells the nurse that she has increased her daily doses of acetaminophen (Tylenol) for the past month to control joint pain. Based on this client's comment, what previous lab values should the nurse compare with today's lab report?
- A. Look at last quarter's hemoglobin and hematocrit to assess for dehydration.
- B. Look for an increase in today's LDH compared to the previous one to assess for possible liver damage.
- C. Expect to find an increase in today's APTT compared to last quarter's due to bleeding.
- D. Determine if there is a decrease in serum potassium due to renal compromise.
Correct Answer: B
Rationale: The correct answer is B. The nurse should look for an increase in today's LDH compared to the previous one to assess for possible liver damage. Acetaminophen overdose can lead to liver toxicity, which can be indicated by elevated LDH levels. LDH is an enzyme released during liver damage. Checking for LDH levels can help assess the impact of increased acetaminophen doses on the liver.
Choices A, C, and D are incorrect:
A: Looking at hemoglobin and hematocrit is not directly related to acetaminophen use for joint pain. It does not provide information about liver damage.
C: APTT measures blood clotting time and is not directly affected by acetaminophen use for joint pain. It does not provide information about liver damage.
D: Serum potassium levels are not typically affected by acetaminophen use for joint pain. It does not provide information about liver damage.
A client with heart failure is receiving intravenous furosemide (Lasix). Which assessment finding indicates that the medication is having the desired effect?
- A. Decreased peripheral edema.
- B. Elevated blood pressure.
- C. Increased heart rate.
- D. Decreased urine output.
Correct Answer: A
Rationale: The correct answer is A: Decreased peripheral edema. Furosemide is a diuretic that helps to remove excess fluid from the body, which can reduce peripheral edema in patients with heart failure. This indicates that the medication is effectively reducing fluid overload in the body. Elevated blood pressure (choice B) would not be an expected outcome of furosemide use. Increased heart rate (choice C) is not a direct effect of furosemide and can indicate worsening heart failure. Decreased urine output (choice D) would be an adverse effect of furosemide and would indicate the medication is not working as intended.
What is the primary action of digoxin when prescribed to a patient with heart failure?
- A. Increase heart rate
- B. Decrease cardiac output
- C. Strengthen cardiac contractions
- D. Lower blood pressure
Correct Answer: C
Rationale: The primary action of digoxin in heart failure is to strengthen cardiac contractions. Digoxin inhibits the sodium-potassium pump, leading to an increase in intracellular calcium levels, which enhances the force of myocardial contractions. This helps improve cardiac output and symptoms of heart failure.
Explanation:
A: Incorrect - Digoxin does not increase heart rate, it mainly affects the strength of contractions.
B: Incorrect - Digoxin does not decrease cardiac output; it actually helps improve it by enhancing contractility.
D: Incorrect - Digoxin may have a slight effect on lowering blood pressure, but its primary action in heart failure is to strengthen cardiac contractions, not lower blood pressure.
A client with chronic obstructive pulmonary disease (COPD) is receiving prednisone (Deltasone). Which side effect should the nurse monitor for?
- A. Hypoglycemia
- B. Infection
- C. Hypotension
- D. Weight loss
Correct Answer: B
Rationale: The correct answer is B: Infection. Prednisone is a corticosteroid that suppresses the immune system, increasing the risk of infections in patients. The nurse should monitor for signs of infection such as fever, increased white blood cell count, and localized symptoms.
Rationale:
A: Hypoglycemia is not a common side effect of prednisone. Prednisone typically causes hyperglycemia.
C: Hypotension is not a common side effect of prednisone. Prednisone can actually cause fluid retention and increased blood pressure.
D: Weight loss is not a common side effect of prednisone. Prednisone can actually cause weight gain due to fluid retention and increased appetite.