Drug of choice for infective endocarditis due to HACEK organisms is
- A. Vancomycin
- B. Gentamicin
- C. Ampicillin
- D. Ceftriaxone
Correct Answer: D
Rationale: Ceftriaxone is the drug of choice for infective endocarditis due to HACEK organisms.
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A VII nerve injury at the exit from the stylomastoid foramen would explain all except:
- A. Loss of sensation over the vallecula
- B. Loss of taste over the anterior third of the tongue
- C. Increased responsiveness to loud noises
- D. Inability to open the ipsilateral eye
Correct Answer: D
Rationale: The correct answer is D because the facial nerve (VII) does not control eye opening; this is controlled by the oculomotor nerve (III). The other options (a, b, c, e) are consistent with a VII nerve injury.
Regarding sumatriptan:
- A. It has a good oral bioavailability
- B. Its onset of action is within 15 minutes of subcutaneous administration
- C. Is a 5-HT agonist
- D. Acts on adrenergic and muscarinic receptors
Correct Answer: B
Rationale: Its onset of action is within 15 minutes of subcutaneous administration
The following statements are true of bronchiolitis:
- A. Up to 50% of patients continue to wheeze after recovery
- B. The typical pathogen is para-influenza virus
- C. Corticosteroid therapy is beneficial
- D. Tachypnoea is invariable
Correct Answer: A
Rationale: Wheezing after bronchiolitis is common. The typical pathogen is respiratory syncytial virus, not para-influenza. Corticosteroids are not routinely beneficial, and tachypnoea is common but not invariable.
Side effects of propranolol may include
- A. hypothyroidism
- B. elevated triglycerides
- C. school performance problems
- D. pulmonary fibrosis
Correct Answer: B
Rationale: Propranolol can cause elevated triglycerides and school performance issues due to its beta-blocking effects.
An overweight, young adult made who was recently diagnosed with type 2 diabetes mellitus is admitted for a hernia repair. He tells the nurse that he is feeling very weak and jittery. Which actions should the nurse implement? (Select all that apply.)
- A. Check his fingerstick glucose level
- B. Assess his skin temperature and moisture
- C. Measure his pulse and blood pressure
- D. Document anxiety on the surgical checklist
Correct Answer: C
Rationale: These actions help assess for hypoglycemia, a common issue in diabetic patients, and ensure appropriate intervention.