Nokea
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.
You may also like to solve these questions
The nurse is preparing to administer enoxaparin (Lovenox) 135 mg subcutaneously. The medication is available in a cartridge labeled 150 mg/ml. How many ml should the nurse administer? (enter numeric value only. If rounding is required, round to the nearest tenth.)
- A. 0.9
- B. 1
- C. 9
Correct Answer: A
Rationale: The calculation is based on the prescribed dose and the concentration of the medication.
All the following are causes of heart failure in full-term neonate EXCEPT
- A. asphyxial
- B. coarctation of aorta
- C. hypoplastic left heart syndrome
- D. transposition of great arteries
Correct Answer: B
Rationale: Coarctation of the aorta may not immediately present with heart failure in full-term neonates.
Recognised features of myotonic dystrophy include:
- A. Phenomenon of anticipation
- B. Muscle pain
- C. Diplopia
- D. Cardiomyopathy
Correct Answer: A
Rationale: The phenomenon of anticipation, where symptoms become more severe or appear at an earlier age as the disorder is passed through generations, is a recognized feature of myotonic dystrophy.
Which among the following beta-blockers is not potent than propranolol (considering propranolol = 1)?
- A. Carvedilol
- B. Metoprolol
- C. Bisoprolol
- D. Labetalol
Correct Answer: D
Rationale: Labetalol has a lower beta-blocking potency compared to propranolol, especially considering it also has alpha-blocking activity.
Childhood schizophrenia is suggested by:
- A. Disturbance in movement patterns
- B. Persistent thumb sucking
- C. Hallucinations
- D. Infantile autism
Correct Answer: C
Rationale: Hallucinations are a key feature of childhood schizophrenia. Movement disturbances and thumb sucking are nonspecific, and infantile autism is a separate condition.