Question 21
A 9-year-old girl is brought to the Emergency Department because she has generalized urticaria, abdominal cramping, and postural dizziness 30 minutes after eating at a friend's birthday party. Which one of the following is the most appropriate route of administration for epinephrine?
Question 22
A 2-month-old infant is brought by his parents to your clinic with concerns regarding his frequent crying spells. He has been crying for more than 3 hours daily for many weeks. The infant has reached all age-specific developmental milestones. Which one of the following is the most important to share with the parents regarding this situation?
Question 23
A 3.5-year-old girl has developed a stutter in the last 3 months. She repeats whole words several times before finishing a sentence. Her paternal uncle had a severe stuttering issue as a child. She has reached the developmental milestones for her age. Her new sibling was born 4 months ago. Which one of the following is the best next step?
Question 24
An 83-year-old woman presents to your office with a 2-day history of confusion. Her past medical history is significant for lung cancer, and she is being treated with radiation. On physical examination, she is euvolemic.
Her blood work reveals a serum sodium of 118 mmol/L (135-140) as compared with 134 mmol/L (8 days ago). Which one of the following will be most helpful in establishing the cause of her laboratory abnormality?
Question 25
A 34-year-old woman, gravida 2, para 1, aborta 0, presents to the labor and delivery ward at 32 weeks' gestation with a 24-hour history of worsening frontal headache, photophobia, and neck stiffness. Vitals:
* BP: 121/78 mm Hg
* HR: 90 bpm
* Temp: 38°C
Neuro exam reveals a 2-beat ankle clonus. Tone and power are otherwise normal. No localizing signs or papilledema. Abdomen is soft, fetus is cephalic.
Which one of the following is the best next investigation?