Nokea
Extracorpuscular causes of haemolysis include:
- A. a-Thalassaemia
- B. Hereditary ovalocytosis
- C. Warm antibody autoimmune haemolytic anaemia
- D. Pyruvate kinase deficiency
Correct Answer: C
Rationale: Warm antibody autoimmune haemolytic anaemia is an extracorpuscular cause of haemolysis. a-Thalassaemia and pyruvate kinase deficiency are intracorpuscular causes.
You may also like to solve these questions
Benign Rolandic seizures:
- A. Usually occurs at night
- B. Are difficult to control with drugs
- C. Centrotemporal spikes in EEG are a recognised feature
- D. Are more common than petit mal
Correct Answer: C
Rationale: Centrotemporal spikes on EEG are a hallmark feature of benign Rolandic epilepsy, a common childhood epilepsy syndrome.
In autism:
- A. Social interaction is normal
- B. Dopamine levels are reduced
- C. Genetic factors may play a role in aetiology
- D. Methylphenidate is used with benefit
Correct Answer: C
Rationale: Genetic factors may play a role in aetiology: Autism spectrum disorder (ASD) has a strong genetic component, with numerous genes contributing to its development, although environmental factors may also play a role.
A cardiac catheterization of a client with heart disease indicates the following blockages: 95% proximal left anterior descending (LAD), 99% proximal circumflex, and ? % proximal right coronary artery (RCA). The client later asks the nurse 'what does all this mean for me?' What information should the nurse provide?
- A. Blood supply to the heart is diminished by atherosclerotic lesions, which necessitate lifestyle changes.
- B. Blood vessels supplying the pumping chamber have blockages indicating a past heart attack.
- C. Three main arteries have major blockages, with only 1 to 5% of blood flow getting through to the heart muscle.
- D. The heart is not receiving enough blood, so there is a risk of heart failure and fluid retention.
Correct Answer: C
Rationale: This explanation provides a clear understanding of the severity of the blockages and the implications for the client's heart function.
How long should a 4-year-old child recovering from rheumatic fever need to receive monthly injections of penicillin G?
- A. 1 year
- B. 2 years
- C. 5 years
- D. 10 years
Correct Answer: C
Rationale: Children who recover from rheumatic fever should have a chemoprophylaxis protocol of penicillin G injections (about 200,000 units per dose) for a minimum of 5 years or up to the age of 18 to prevent further bouts of rheumatic fever.
All the following conditions are associated with high volume pulse except
- A. Aorta to LV tunnel
- B. Coronary cameral fistula
- C. Neonatal Blalock Taussig shunt
- D. Hemitruncus
Correct Answer: C
Rationale: Neonatal Blalock Taussig shunt is not associated with a high volume pulse.