Nokea
Distal occlusion of the posterior cerebral artery may produce:
- A. Contralateral hemiplegia
- B. Homonymous hemianopia
- C. Dysarthria
- D. Cerebellar ataxia
Correct Answer: B
Rationale: Homonymous hemianopia is a classic finding in posterior cerebral artery occlusion. Hemiplegia, dysarthria, and ataxia are not typical.
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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.
Which statement by the mother of a child with rheumatic fever (RF) shows she has a good understanding of the care of her child?
- A. I will apply heat to his swollen joints to promote circulation.
- B. I will have him do gentle stretching exercises to prevent contractures.
- C. I will give him the aspirin that is ordered for pain and inflammation.
- D. I will apply cold packs to his swollen joints to reduce pain.
Correct Answer: C
Rationale: Aspirin is the drug of choice for treating RF due to its anti-inflammatory and analgesic properties.
All are true about TAPSE (Tricuspid Annular Plane Systolic Excursion), except
- A. Normal TAPSE is >17 mm
- B. Reliable measure of RV systolic function
- C. Can be measured using either M-mode or 2D echo
- D. TAPSE is measured at septal aspect of tricuspid annulus
Correct Answer: D
Rationale: TAPSE is measured at the lateral aspect of the tricuspid annulus, not the septal aspect.
All of the following are true regarding attention deficit hyperactivity disorder (ADHD), except
- A. Dopamine transporter gene (DAT1) and dopamine 4 receptor gene (DRD4) are implicated in the diagnosis
- B. Impaired fine motor movement and poor coordination are 'soft' but specific signs of ADHD
- C. Developmentally inappropriate behavior must commence before 7 years of age and present for at least 6 months
- D. Maternal lead exposure is associated with ADHD
Correct Answer: B
Rationale: Impaired fine motor movement and poor coordination are not specific signs of ADHD; they are nonspecific and can occur in other conditions.
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.