Nokea
The following syndromes are due to chromosomal abnormalities:
- A. Cri-du-chat syndrome
- B. Kearns-Sayre syndrome
- C. Marfan's syndrome
- D. Turner's syndrome
Correct Answer: D
Rationale: Turner's syndrome: Turner's syndrome is caused by a monosomy of the X chromosome (45,X), leading to characteristic features such as short stature and ovarian insufficiency.
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SVT
- A. HR . 220 /min
- B. Adenosine helpful in management
- C. Beat to beat variation is not present
- D. Valsalvar maneuver is a treatment method
Correct Answer: B
Rationale: Adenosine is effective in managing supraventricular tachycardia by interrupting reentrant pathways.
Causes of pancytopenia and splenomegaly include:
- A. Low-grade non-Hodgkin's lymphoma
- B. Gaucher's disease
- C. Alcoholic cirrhosis
- D. BI2 deficiency
Correct Answer: B
Rationale: Gaucher's disease, a lysosomal storage disorder, can cause pancytopenia and splenomegaly due to bone marrow infiltration and hypersplenism.
The following are true of vitamin K:
- A. It is a water-soluble vitamin
- B. It is found mainly in red meat
- C. After infancy most is synthesised by the gut flora
- D. Low levels after birth may lead to intracerebral haemorrhage
Correct Answer: C
Rationale: Vitamin K is synthesized by gut flora after infancy. It is a fat-soluble vitamin, and low levels after birth can lead to hemorrhagic disease of the newborn.
The nurse is completing the preoperative assessment of a client who is scheduled for a laparoscopic cholecystectomy under general anesthesia. Which finding warrants notification of the healthcare provider prior to proceeding with the scheduled procedure?
- A. Light yellow coloring of the client's skin and eyes
- B. The client's blood pressure reading is 184/88 mm Hg.
- C. The client vomits 20 ml of clear yellowish fluid
- D. The IV insertion site is red, swollen, and leaking IV fluid
Correct Answer: B
Rationale: High blood pressure increases the risk of complications during surgery and needs to be addressed before proceeding.
BP screenings to detect end-organ damage should be done routinely beginning at what age?
- A. Birth
- B. 3 years
- C. 8 years
- D. 13 years
Correct Answer: B
Rationale: The recommended age to establish a baseline blood pressure in a healthy child is around 3 years.