Nokea
A client's telemetry monitor indicates the sudden onset of ventricular fibrillation. Which assessment finding should the nurse anticipate?
- A. Bounding erratic pulse.
- B. Regularly irregular pulse.
- C. Thready irregular pulse.
- D. No palpable pulse.
Correct Answer: D
Rationale: The correct answer is D: No palpable pulse. Ventricular fibrillation is a life-threatening arrhythmia where the heart quivers and doesn't effectively pump blood. This results in the absence of a palpable pulse. The nurse should anticipate this finding as it indicates a severe cardiac emergency requiring immediate intervention. Choices A, B, and C are incorrect because ventricular fibrillation leads to ineffective heart contractions, causing a lack of pulse rather than bounding, irregular, or thready pulses. It is crucial for the nurse to recognize the absence of a palpable pulse to initiate prompt resuscitative measures.
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For a patient with asthma, what is the primary purpose of prescribing salmeterol?
- A. Relieve acute bronchospasm
- B. Prevent asthma attacks
- C. Suppress cough
- D. Thin respiratory secretions
Correct Answer: B
Rationale: The primary purpose of prescribing salmeterol is to prevent asthma attacks. Salmeterol is a long-acting beta agonist that helps to relax the muscles of the airways over an extended period, reducing the likelihood of bronchospasms and asthma exacerbations. It is not used for relieving acute bronchospasm (choice A), suppressing cough (choice C), or thinning respiratory secretions (choice D) as these are not the main therapeutic effects of salmeterol in asthma management.
While assessing a 70-year-old female client with Alzheimer's disease, the nurse notes deep inflamed cracks at the corners of her mouth. What intervention should the nurse include in this client's plan of care?
- A. Apply a moisturizing cream to the affected areas.
- B. Encourage the client to consume foods rich in vitamin B.
- C. Notify the healthcare provider for further evaluation.
- D. Ensure that the client gets adequate B vitamins in foods or supplements.
Correct Answer: D
Rationale: The correct answer is D because deep inflamed cracks at the corners of the mouth can be a sign of vitamin B deficiency, specifically B2 (riboflavin) or B3 (niacin). Ensuring the client gets adequate B vitamins through foods or supplements can help address the deficiency and improve the condition. Option A is incorrect as simply applying a moisturizing cream does not address the underlying cause. Option B is not the best choice because while vitamin B-rich foods are beneficial, they may not be sufficient to correct a deficiency. Option C is not the immediate priority unless there are other concerning symptoms present.
What should be monitored to evaluate the effectiveness of enoxaparin in a patient with deep vein thrombosis (DVT)?
- A. Prothrombin time (PT)
- B. Partial thromboplastin time (PTT)
- C. International normalized ratio (INR)
- D. Platelet count
Correct Answer: C
Rationale: Rationale:
1. Enoxaparin is a low molecular weight heparin that primarily affects the intrinsic pathway of coagulation.
2. INR is used to monitor the effectiveness of anticoagulants affecting the intrinsic pathway.
3. Monitoring INR helps ensure the patient is within the therapeutic range to prevent clotting without excessive bleeding.
4. PT and PTT primarily evaluate the extrinsic and intrinsic pathways, respectively, not specific to enoxaparin.
5. Platelet count is not directly related to monitoring the effectiveness of enoxaparin in treating DVT.
For a patient with asthma, what is the primary purpose of prescribing montelukast?
- A. Relieve acute bronchospasm
- B. Prevent asthma attacks
- C. Thin respiratory secretions
- D. Suppress cough
Correct Answer: B
Rationale: The primary purpose of prescribing montelukast for a patient with asthma is to prevent asthma attacks. Montelukast is a leukotriene receptor antagonist that helps to reduce inflammation in the airways, thereby preventing asthma symptoms and attacks. It is not used to relieve acute bronchospasm (Choice A), as it is not a fast-acting rescue medication like a bronchodilator. Montelukast also does not thin respiratory secretions (Choice C) or suppress cough (Choice D) as its main mechanism of action is to prevent and control asthma symptoms by inhibiting leukotrienes.
What instruction should the nurse give regarding the administration of alendronate to a patient with osteoporosis?
- A. Take the medication with milk.
- B. Lie down for 30 minutes after taking the medication.
- C. Take the medication with a full glass of water.
- D. Take the medication before bedtime.
Correct Answer: C
Rationale: The correct answer is C: Take the medication with a full glass of water. Alendronate should be taken with a full glass of water on an empty stomach in the morning to enhance absorption. Option A is incorrect because taking alendronate with milk decreases its absorption. Option B is incorrect as lying down after taking alendronate can lead to esophageal irritation. Option D is incorrect because taking the medication before bedtime can cause esophageal irritation as well due to the risk of reflux when lying down.