Nokea
The radiographic finding of notching of the ribs is associated with
- A. pulmonary hypertension
- B. anomalous pulmonary venous return above the diaphragm
- C. coarctation of the aorta
- D. systemic hypertension
Correct Answer: C
Rationale: Rib notching is a classic radiographic sign of coarctation of the aorta due to collateral vessel development.
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Common pathogens in the sputum of CF patients are:
- A. Pseudomonas
- B. Staphylococcus epidermidis
- C. Staphylococcus aureus
- D. Burkholderia
Correct Answer: A
Rationale: The correct answer is A because Pseudomonas is the most common pathogen in CF patients. The other options (b-e) are less common.
The most likely diagnosis in the patient described is
- A. persistent pulmonary hypertension
- B. transposition of the great arteries
- C. truncus arteriosus
- D. pulmonary atresia
Correct Answer: B
Rationale: Transposition of the great arteries often presents with cyanosis due to mixing of oxygenated and deoxygenated blood.
Which finding would alert a nurse that a hospitalized 6-year-old child is at risk for a severe asthma exacerbation?
- A. Oxygen saturation of 95%
- B. Mild work of breathing
- C. Absence of intercostals or substernal retractions
- D. History of steroid-dependent asthma
Correct Answer: D
Rationale: A history of steroid-dependent asthma indicates severe asthma, increasing the risk of a life-threatening exacerbation.
The nurse is caring for an 8-year-old girl whose parents indicate she has developed spastic movements of her extremities and trunk, facial grimace, and speech disturbances. They state it seems worse when she is anxious and does not occur while sleeping. The nurse questions the parents about which recent illness?
- A. Kawasaki disease (KD)
- B. Strep throat
- C. Malignant hypertension
- D. Atrial fibrillation
Correct Answer: B
Rationale: Chorea (spastic movements, facial grimacing, and speech disturbances) can be a manifestation of rheumatic fever following streptococcal pharyngitis, with a higher incidence in females.
A toddler who has been hospitalized for vomiting due to gastroenteritis is sleeping and difficult to wake up. Assessment reveals vital signs of a regular heart rate of 230 beats per minute, respiratory rate of 30 per minute, BP of 84/52, and capillary refill time of 3 seconds. Which dysrhythmia does the nurse suspect in this child?
- A. Rapid atrial flutter
- B. Supraventricular tachycardia
- C. Sinus bradycardia
- D. Rapid atrial fibrillation
Correct Answer: B
Rationale: Supraventricular tachycardia is characterized by a very rapid heart rate, which can lead to decreased cardiac output and symptoms such as lethargy and difficulty waking, as seen in this toddler.