428.A 26-year-old woman presents to the ED with a history of spilling hot
soup over her left arm earlier in the day. She states that she immediately put
her hand under cold water and applied ice. Upon physical examination, the
involved area covers the dorsum of her hand and extends up to the middle
of her forearm with no circumferential or digital involvement. She can freely
flex and extend all joints of that upper extremity. In addition, two large fluid-filled
bullae are noted in the area of the forearm. What is the burndegree and relative
area of involvement in this patient?
a. First-degree/9%
b. Second-degree/9%
c. Second-degree/2.25%
d. Third-degree/9%
e. Third-degree/4.5%
429.A 60-year-old male cook reports spilling hot oil over his left thigh while
attempting to pull a pan off of the stove. He presents to the ED with erythema
extending over his left thigh without any blister formation or circumferential
involvement. The patient reports that he was wearing thick pants at the time
of the accident which he removed quickly and promptly irrigated the area
with water. There are no other signs of injury. What is the burn degree and
relative area of involvement in this patient?
a. First-degree/9%
b. First-degree/4.5%
c. Second-degree/2.25%
d. Second-degree/9%
e. Third-degree/4.5%
430.You are the physician staffing a clinic in the Rocky Mountains when
29-year-old male mountain-climber presents with nausea, vomiting, and
dizziness. Upon review of systems, he denies fever, cough, abdominal pain,
or dysuria but does report anorexia and some ankle swelling. What diuretic
is the drug of choice in this patient?
a. Furosemide
b. Hydrochlorothiazide
c. Bumetanide
d. Fosinopril
e. Acetazolamide
466 Emergency Medicine