Nokea
Postoperative pulmonary hypertension can be managed with
- A. hyperventilation
- B. catecholamines
- C. nitroprusside
- D. phosphodiesterase inhibitors
Correct Answer: C
Rationale: Inhaled nitric oxide and phosphodiesterase inhibitors are commonly used to manage postoperative pulmonary hypertension.
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A patient with no structural heart disease: a wide QRS tachycardia of RBBB morphology at a rate of 160 bpm, QRS axis of (-) 40 degrees and AV dissociation was recorded during palpitation. What is the likely diagnosis?
- A. RV outflow ventricular tachycardia
- B. Posterior fascicular VT
- C. Anterior fascicular VT
- D. Antidromic AVRT
Correct Answer: A
Rationale: RV outflow ventricular tachycardia is the likely diagnosis given the RBBB morphology and QRS axis.
A 4-month-old with meningococcal meningitis has just been admitted to the pediatric unit. Which nursing intervention has the highest priority?
- A. Instituting droplet precautions
- B. Administering acetaminophen (Tylenol)
- C. Obtaining history information from the parents
- D. Orienting the parents to the pediatric unit
Correct Answer: A
Rationale: Droplet precautions are essential to prevent the spread of meningococcal meningitis to others.
A nurse obtains the health history of a client who is newly admitted to the medical unit. Which statement by the client should alert the nurse to the presence of edema?
- A. I wake up to go to the bathroom at night.
- B. My shoes fit tighter by the end of the day.
- C. I seem to be feeling more anxious lately.
- D. I drink at least eight glasses of water a day.
Correct Answer: B
Rationale: Tight-fitting shoes by the end of the day suggest fluid retention (edema), a common sign of cardiovascular or renal issues.
Recognised features in Ehlers-Danlos syndrome include:
- A. Mutation in fibrillin gene
- B. Short stature
- C. Keratoconus
- D. Easy scarring
Correct Answer: D
Rationale: Easy scarring: Ehlers-Danlos syndrome is characterized by hyperelastic skin and joint hypermobility, with easy scarring and tissue fragility being common features.
The following are potent vasoconstrictors:
- A. Renin
- B. Angiotensin I
- C. Nitric oxide
- D. PGI2
Correct Answer: A
Rationale: Renin: Renin is a precursor enzyme in the RAAS that helps in converting angiotensinogen into angiotensin I, a potent vasoconstrictor.