1.Easy
What causes scarlet fever?
- AVaricella-zoster virus
- BStaphylococcus epidermidis
- CGroup A streptococcus
- DHuman herpesvirus 6
2.Easy
At about what age do most children begin to walk without support?
- AAbout 12 months, within a typical range of about 9 to 15 months
- BAbout 2 years in most children, within a typical range of 18 to 30 months
- CAbout 3 years
- DAbout 6 months
3.Easy
Which chromosome pattern causes Turner syndrome?
- AAn extra X chromosome (47,XXY) in a boy
- BAn extra copy of chromosome 18
- CA single X chromosome (45,X) in a girl
- DAn extra copy of chromosome 21
4.Medium
Which statement reflects current guidance about introducing allergenic foods, such as egg and peanut, to infants?
- AThey should only be given after a skin prick test in every infant
- BThey can be introduced from around 6 months as part of solids, and delaying them does not prevent allergy
- CThey should be given from 6 weeks, mixed into the baby's milk
- DThey should be avoided until at least 3 years of age, because early contact is what causes most food allergies
5.Medium
Which diet is usually recommended for a child with cystic fibrosis?
- AA low-fat diet to reduce greasy stools and abdominal pain
- BA high-energy, high-fat diet with fat-soluble vitamin supplements
- CA low-protein diet to reduce the work of the pancreas
- DA low-salt diet to protect the heart and kidneys from damage later in life
6.Medium
A child has scabies. Which plan is correct?
- AStop treatment as soon as the itch improves on the first day
- BTreat only the child, as family members without itching are not infected
- CTreat only the itchy areas of skin, not the whole body
- DTreat the child and all close contacts at the same time, and wash bedding and clothes
7.Hard
During an insulin infusion for diabetic ketoacidosis, why is potassium monitored closely?
- APotassium is needed to dissolve the insulin in the drip
- BPotassium has no role in DKA; it is a routine test only
- CInsulin causes the kidneys to hold on to potassium, so blood levels rise dangerously
- DInsulin moves potassium into the cells, so blood potassium can fall sharply
8.Hard
A child with extensive burns is receiving IV fluid resuscitation. Which finding best shows that fluid replacement is adequate?
- AThe blood pressure is in the high range
- BThe child is asking for a drink
- CA urine output of about 1 mL/kg per hour
- DThe burned skin looks less red and the blisters are smaller
Answer key
- 1. C · Group A streptococcus
- 2. A · About 12 months, within a typical range of about 9 to 15 months
- 3. C · A single X chromosome (45,X) in a girl
- 4. B · They can be introduced from around 6 months as part of solids, and delaying them does not prevent allergy
- 5. B · A high-energy, high-fat diet with fat-soluble vitamin supplements
- 6. D · Treat the child and all close contacts at the same time, and wash bedding and clothes
- 7. D · Insulin moves potassium into the cells, so blood potassium can fall sharply
- 8. C · A urine output of about 1 mL/kg per hour
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