All of the following are true regarding attention deficit hyperactivity disorder (ADHD), except
- A. Dopamine transporter gene (DAT1) and dopamine 4 receptor gene (DRD4) are implicated in the diagnosis
- B. Impaired fine motor movement and poor coordination are 'soft' but specific signs of ADHD
- C. Developmentally inappropriate behavior must commence before 7 years of age and present for at least 6 months
- D. Maternal lead exposure is associated with ADHD
Correct Answer: B
Rationale: Impaired fine motor movement and poor coordination are not specific signs of ADHD; they are nonspecific and can occur in other conditions.
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What information should the nurse include in the teaching plan of a client diagnosed with gastroesophageal reflux disease (GERD)?
- A. Sleep without pillows at night to maintain neck alignment.
- B. Adjust food intake to three full meals per day and no snacks.
- C. Minimize symptoms by wearing loose, comfortable clothing
- D. Avoid participation in any aerobic exercise programs
Correct Answer: C
Rationale: Loose clothing reduces pressure on the abdomen, which can help minimize GERD symptoms.
The following tests are routine in the management of an epileptic on carbamazepine:
- A. Blood counts
- B. Serum levels
- C. Liver function tests
- D. Renal function tests
Correct Answer: C
Rationale: Liver function tests are routinely monitored in patients taking carbamazepine due to the risk of liver toxicity, which can occur with prolonged use.
Which comment made by a parent of a 1-month-old infant would alert the nurse about the presence of a congenital heart defect?
- A. “He is always hungry.â€
- B. “He tires out during feedings.â€
- C. “He is fussy for several hours every day.â€
- D. “He sleeps all the time.â€
Correct Answer: B
Rationale: Fatigue during feeding or activity is common to most infants with congenital cardiac problems.
Evidence of increased pulmonary flow is associated with:
- A. Coarctation of the aorta
- B. Fallot's tetralogy
- C. Pneumocystis infection
- D. Ventricular septal defect
Correct Answer: D
Rationale: A ventricular septal defect (VSD) leads to increased pulmonary blood flow due to left-to-right shunting, resulting in pulmonary congestion.
A two-year-old child should have been immunised against:
- A. Tetanus
- B. Polio
- C. Measles
- D. Hepatitis A
Correct Answer: C
Rationale: By the age of two, a child should have received the MMR vaccine, which protects against measles, mumps, and rubella.