Nokea
Changes that occur in CVS and Respiratory system at birth
- A. Increase in pulmonary Vascular resistance
- B. Increase in Oxygen concentration in Aorta
- C. Increase in the right Ventricular Pressure
- D. Reversal of flow through the ductus arteriosus
Correct Answer: B
Rationale: At birth, oxygen concentration increases in the aorta as lungs begin functioning.
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A feature of Turner syndrome is:
- A. Short stature
- B. Polydactyly
- C. Congenital heart defects
- D. Mental retardation
Correct Answer: A
Rationale: Short stature is a common feature of Turner syndrome, along with ovarian insufficiency and other physical abnormalities.
A 4-year-old child has had fever, malaise, and vomiting and right-sided abdominal pain for 48 hours. The following are likely diagnoses:
- A. Acute pyelonephritis
- B. Shigella dysentery
- C. Ascaris lumbricoides infestation, if the child is living in the tropics
- D. Right sided tumour
Correct Answer: A
Rationale: Acute pyelonephritis is a common cause of fever, vomiting, and abdominal pain in children. Shigella dysentery typically causes diarrhea, and Ascaris infestation is rare in non-tropical regions. A right-sided tumour is unlikely without other signs.
Methaemoglobinaemia may occur as a result of ingestion or exposure to:
- A. Paraquat
- B. Methylene blue
- C. Potassium permanganate
- D. Nitrates
Correct Answer: D
Rationale: Nitrates, when ingested, can lead to methaemoglobinaemia by converting hemoglobin to methemoglobin, impairing oxygen delivery.
Neurodegenerative diseases include the following:
- A. Niemann-Pick disease
- B. Metachromatic leukodystrophy
- C. Leigh's encephalopathy
- D. Canavan disease
Correct Answer: A
Rationale: The correct answer is A because Niemann-Pick disease is a neurodegenerative disorder. The other options (b-e) are also neurodegenerative diseases.
A male client with Herpes zoster (shingles) on his thorax tells the nurse that he is having difficulty sleeping. What is the probable etiology of this problem?
- A. Pain
- B. Nocturia
- C. Dyspnea
- D. Frequent cough
Correct Answer: A
Rationale: Pain from shingles can be severe and interfere with sleep, making it the most likely cause of the client's difficulty sleeping.