MCQS

Question 1

What do bedbug bites present with?

Answer 1

• Bedbugs= Cimex lectularius and hemipterus
• blood sucking parasites
• moderate to severe pruritis
• found in areas with no light - underside of mattresses. in shoes, luggage
• linear pattern of 3 or 4 bites (aka breakfast, lunch, dinner)

Question 2

Uncomplicated sigmoid volvulus

Answer 2

• occurs when a loop of the intestine twists around itself and the mesentery that supports it, causing bowel obstruction
  -Detorsion
• If no signs of perforation: IV hydration, followed by endoscopy (detorsion)
• if signs of perforation, immediate surgical management.
• Sx: abdominal swelling, vomiting, nausea, constipation/obstipation
  (same sx as acute distal intestinal obstruction)
• Coffee bean sign on a plain x-ray of abdomen, convex curve

Question 3

Erythema infectiosum (5th disease)

Answer 3

• Characterised by fever followed by slapped cheek appearance and a full-body rash.
• dx clinical
• can use ELISA for immunoglobulin M and G antibodies against parvovirus B 19.
• Prodrome of fever
• possible assoc sx: sore throat, coryza, headache, nausea, vomiting, diarrhea.
• followed by rash after 2-5 days