Nokea
Sinus bradycardia in neonates is considered if sinus rate is
- A. <100 beats/min
- B. <90 beats/min
- C. <80 beats/min
- D. <70 beats/min
Correct Answer: A
Rationale: Sinus bradycardia in neonates is typically defined as a heart rate <100 beats/min.
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Nystagmus can be a presenting sign in:
- A. Partial albinism
- B. Retinopathy of prematurity
- C. Acute vestibulitis
- D. Medulloblastoma
Correct Answer: D
Rationale: Medulloblastoma, a type of brain tumor, can present with nystagmus due to its impact on the cerebellum and brainstem.
A father asks why his child with tetralogy of Fallot seems to favor a squatting position. What is the nurse's best response?
- A. Squatting increases the return of venous blood back to the heart.
- B. Squatting decreases arterial blood flow away from the heart.
- C. Squatting is a common resting position when a child is tachycardic.
- D. Squatting increases the workload of the heart.
Correct Answer: A
Rationale: The squatting position allows the child to breathe more easily because systemic venous return is increased.
In statistical methodology:
- A. The median and mean are different when the population distribution is skewed
- B. Mode refers to the value that occurs with the highest frequency
- C. The value of 'r' (coefficient of variation) ranges from -1 to +1
- D. Incidence is defined as the number of cases seen in the population at any given period of time
Correct Answer: A
Rationale: The median and mean differ in skewed distributions because the mean is influenced by extreme values, while the median is not.
What are FIVE immediate management steps for an infant with Tetralogy of Fallot presenting with saturations of 60%?
- A. Knees to chest
- B. Calm baby
- C. Oxygen
- D. Beta-blocker
Correct Answer: A
Rationale: The knees-to-chest position helps increase systemic vascular resistance, improving oxygen saturation in a tetralogy of Fallot crisis.
Three days after a female client with multiple sclerosis (MS) is admitted to the hospital with a severe urinary tract infection, she reports experiencing double vision. Which intervention should the nurse implement?
- A. Patch one eye and then the other every few hours
- B. Encourage bedrest until the diplopia is resolved
- C. Instruct the client to limit intake of oral fluids
- D. Administer artificial tear drops to both eyes
Correct Answer: A
Rationale: Patching each eye helps alleviate double vision caused by MS-related vision impairment.