Nokea
The nurse is preparing to administer enoxaparin (Lovenox) 135 mg subcutaneously. The medication is available in a cartridge labeled 150 mg/ml. How many ml should the nurse administer? (enter numeric value only. If rounding is required, round to the nearest tenth.)
- A. 0.9
- B. 1
- C. 9
Correct Answer: A
Rationale: The calculation is based on the prescribed dose and the concentration of the medication.
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Generalised absence seizures:
- A. Are usually atypical in type
- B. CT scan shows abnormalities in around 25-30% of cases
- C. Can be diagnosed in the absence of a typical EEG pattern with great certainty
- D. Are associated with other generalised seizures in most cases
Correct Answer: D
Rationale: Generalised absence seizures are often associated with other types of generalised seizures, such as tonic-clonic seizures.
The following criteria are indications for further investigation of premature ventricular contractions (PVCs) that could require suppressive therapy EXCEPT
- A. multiform PVCs
- B. disappear during exercise
- C. R-on-T phenomenon
- D. extreme frequency of beats
Correct Answer: B
Rationale: PVCs that disappear during exercise are less concerning and do not necessarily require suppressive therapy.
What are FIVE indications for pacemaker insertion in a child with congenital heart block?
- A. Symptomatic bradycardia
- B. Ventricular dysfunction or low cardiac output
- C. Wide QRS escape
- D. Complex ventricular ectopy
Correct Answer: A
Rationale: Symptomatic bradycardia is the most common indication for pacemaker insertion in children with congenital heart block, to ensure adequate heart rate and perfusion.
Defects of complement system should be suspected in:
- A. Recurrent folliculitis
- B. Facial swelling following trauma
- C. Recurrent meningococcal infection
- D. Pneumocystis carinii pneumonia
Correct Answer: C
Rationale: Recurrent meningococcal infection: Defects in the complement system, especially the terminal complement components, increase the risk of recurrent meningococcal infections.
An adult male client is admitted for Pneumocystis carinii pneumonia (PCP) secondary to AIDS. While hospitalized, he receives IV pentamidine isethionate therapy. In preparing this client for discharge, what important aspect regarding his medication therapy should the nurse explain?
- A. IV pentamidine may offer protection to other AIDS-related conditions, such as Kaposi's sarcoma
- B. It will be necessary to continue prophylactic doses of IV or aerosol pentamidine every month
- C. IV pentamidine will be given until oral pentamidine can be tolerated
- D. AZT (Azidothymidine) therapy must be stopped when IV or aerosol pentamidine is being used.
Correct Answer: B
Rationale: Prophylactic doses of pentamidine are necessary to prevent PCP recurrence and other AIDS-related infections.