Routine hearing tests in the community are usually based on:
- A. Distraction testing
- B. Auditory brainstem responses
- C. Evoked potentials
- D. Object discrimination
Correct Answer: A
Rationale: Distraction testing is a common method used in community settings to assess hearing in young children.
You may also like to solve these questions
Correct statement regarding congenital rubella syndrome (CRS) is
- A. CRS with vaccine-strain of virus has not been reported
- B. Re-infections during pregnancy do not result in CRS
- C. Administration of immune globulin immediately after exposure to a case during pregnancy is effective in preventing CRS
- D. Patent ductus arteriosus is the commonest manifestation of CRS
Correct Answer: A
Rationale: CRS with the vaccine-strain of the virus has not been reported, as the vaccine strain is attenuated and does not cause congenital infection.
Cytosolic glycogen accumulation does not occur in
- A. Pompe disease
- B. Mc Ardle's disease
- C. Phosphofructokinase deficiency
- D. Phosphoglycerate kinase deficiency
Correct Answer: D
Rationale: Phosphoglycerate kinase deficiency does not lead to cytosolic glycogen accumulation.
Concerning tetanus:
- A. The infection is usually fatal
- B. The muscle spasms are often localized
- C. Immunization confers lifelong immunity
- D. Incubation period is usually weeks
Correct Answer: C
Rationale: Immunization with the tetanus toxoid provides long-lasting immunity, though booster shots are recommended to maintain protection.
Whirlpool' sign in abdominal ultrasonogram is seen in
- A. Duodenal atresia
- B. Midgut volvulus
- C. Intussusception
- D. Anorectal malformation
Correct Answer: B
Rationale: The 'whirlpool' sign on abdominal ultrasound is characteristic of midgut volvulus, indicating twisting of the intestines around the mesenteric vessels.
Regarding ECG in infancy
- A. T Wave inversion present
- B. PR interval is < 0.16 s
- C. P wave is < 3mm tall
- D. QRS represent ventricular depolarization
Correct Answer: B
Rationale: In infants, the PR interval is shorter than in adults (< 0.16 seconds).