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.
You may also like to solve these questions
Hereditary angioneurotic oedema (HANE):
- A. Deficiency of CI esterase occurs
- B. Can present as recurrent abdominal pain
- C. C4 is increased
- D. Androgen agonists are helpful in management
Correct Answer: A
Rationale: Deficiency of CI esterase occurs
A 10-year-old client contracted severe acute respiratory syndrome (SARS) when traveling abroad with her parents. The nurse knows she must put on personal protective equipment to protect herself while providing care. Based on the mode of SARS transmission, which personal protective should the nurse wear?
- A. Gloves
- B. Gown and gloves
- C. Gown, gloves, and mask
- D. Gown, gloves, mask, and eye goggles or eye shield
Correct Answer: D
Rationale: SARS is transmitted through droplets, so full protective gear, including eye protection, is necessary to prevent infection.
The following are strongly associated with Kawasaki disease EXCEPT
- A. duration of fever of >16 days
- B. first-degree heart block
- C. male gender
- D. age of <1 year
Correct Answer: B
Rationale: First-degree heart block is less commonly associated with Kawasaki disease compared to other factors.
A child has an elevated antistreptolysin O (ASO) titer. Which combination of symptoms, in conjunction with this finding, would confirm a diagnosis of rheumatic fever?
- A. Subcutaneous nodules and fever
- B. Painful, tender joints, and carditis
- C. Erythema marginatum and arthralgia
- D. Chorea and elevated sedimentation rate
Correct Answer: B
Rationale: The presence of two major Jones criteria would indicate a high probability of rheumatic fever.
Sodium valproate is used in all types of seizures except:
- A. Absences
- B. Infantile spasms
- C. Generalised clonic seizures
- D. Myoclonic type
Correct Answer: B
Rationale: Infantile spasms: Sodium valproate is not the first-line treatment for infantile spasms. Vigabatrin is preferred due to its effectiveness in this condition.