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.
You may also like to solve these questions
An older adult woman with a long history of chronic obstructive pulmonary disease (COPD) is admitted with progressive shortness of breath and a persistent cough. She is anxious and is complaining of a dry mouth. Which intervention should the nurse implement?
- A. Administer a prescribed sedative
- B. Encourage client to drink water
- C. Apply a high-flow venturi mask
- D. Assist her to an upright position
Correct Answer: D
Rationale: An upright position improves lung expansion and oxygenation, which is crucial for a client with COPD.
Diagnostic signs of child abuse are:
- A. Sub-hyaloid bleeding
- B. Spiral fracture of a long bone
- C. Lacerated tongue
- D. Posterior rib fractures
Correct Answer: D
Rationale: Posterior rib fractures are highly suggestive of child abuse, as they are often caused by forceful squeezing or shaking.
Examples of encapsulated organisms are all except:
- A. Pseudomonas
- B. Proteus
- C. Pneumococci
- D. Salmonella
Correct Answer: A
Rationale: The correct answer is A because Pseudomonas is not an encapsulated organism. The other options (b-e) are encapsulated.
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 systemic mastocytosis:
- A. Areas of depigmentation occur
- B. Intermittent flushing is seen
- C. IgE levels are high
- D. Is relieved by aspirin
Correct Answer: B
Rationale: Intermittent flushing is a recognized symptom of systemic mastocytosis due to the release of histamine and other chemicals from mast cells.
Nokea