Mental retardation is found in all the following:
- A. Trisomy 21
- B. Morquio syndrome
- C. Homocystinuria
- D. Ehlers-Danlos syndrome
Correct Answer: A
Rationale: Trisomy 21 (Down syndrome) is a well-known cause of mental retardation. Morquio syndrome, Homocystinuria, and Ehlers-Danlos syndrome are not typically associated with mental retardation.
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The following causes of short stature respond to growth hormone:
- A. Turner's syndrome
- B. Panhypopituitarism
- C. Achondroplasia
- D. Social deprivation
Correct Answer: A
Rationale: Turner's syndrome is a condition that responds to growth hormone therapy. Panhypopituitarism also responds, but Achondroplasia and social deprivation do not.
During play, a toddler with a history of tetralogy of Fallot (TOF) might assume which position?
- A. Sitting
- B. Supine
- C. Squatting
- D. Standing
Correct Answer: C
Rationale: Squatting naturally increases SVR by occluding venous return from the lower extremities, thereby increasing pulmonary blood flow.
Short stature due to growth hormone deficiency:
- A. Is characteristically manifest in infancy
- B. May be secondary to irradiation to the skull
- C. Can be part of congenital hypopituitarism
- D. Is easily corrected
Correct Answer: B
Rationale: Growth hormone deficiency can result from cranial irradiation, which may damage the pituitary gland and impair hormone production.
Which medication should the nurse prepare for immediate administration to a child experiencing an anaphylactic reaction to a bee sting?
- A. Diphenhydramine (Benadryl)
- B. Dobutamine (Dobutarex)
- C. Epinephrine (Adrenalin)
- D. Calcium chloride (calcium chloride)
Correct Answer: C
Rationale: After the first priority of establishing an airway, administration of epinephrine is the drug of choice. Diphenhydramine, an antihistamine, is usually not used for severe reactions. Dobutamine and calcium chloride are not appropriate drugs for this type of reaction.
A client with Addison's disease started taking hydrocortisone in a divided daily dose last week. It is most important for the nurse to monitor which serum laboratory value?
- A. Osmolarity
- B. Glucose
- C. Albumin
- D. Platelets
Correct Answer: B
Rationale: Hydrocortisone can affect blood glucose levels, making it important to monitor for hyperglycemia.