Nokea
Mechanisms of dyspnea in left heart disease include all, except
- A. PVH and decreased lung compliance
- B. Respiratory muscle fatigue
- C. Elevated LV End diastolic pressure leads to decreased antegrade coronary blood flow
- D. Reverse 'Bernheim' effect
Correct Answer: C
Rationale: Elevated LV end-diastolic pressure does not typically lead to decreased antegrade coronary blood flow.
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A 2-year-old child should be able to:
- A. Name three colours correctly
- B. Use plurals
- C. Build a tower of five blocks
- D. Kick a ball on request
Correct Answer: C
Rationale: A 2-year-old can typically build a tower of five blocks. Naming colors and using plurals are more advanced skills, and kicking a ball is variable.
Regarding idiopathic thrombocytopenic purpura (ITP):
- A. The more severe the disease
- B. the faster is the recovery to therapy
- C. Alloimmunisation occurs due to fetomaternal incompatibility
- D. Splenomegaly is a recognised feature
Correct Answer: C
Rationale: ITP is characterized by low platelet counts due to immune-mediated destruction. Splenomegaly is a recognized feature but the other options are incorrect. Recovery is not necessarily faster with more severe disease alloimmunisation is not a feature of ITP and not all children with platelet counts below 50 000 require hospitalization. IV immunoglobulin is not indicated in all cases.
The mother of a toddler reports that the child's father has just had a myocardial infarction (MI). Because of this, the nurse recommends the child have a(n):
- A. Electrocardiogram
- B. Lipid profile
- C. Echocardiogram
- D. Cardiac catheterization
Correct Answer: B
Rationale: Current recommendations are for a lipid profile in children over 2 years of age who have a family history of cardiac events or high cholesterol.
Distal renal tubular acidosis:
- A. Is characterised by hypokalaemia
- B. May be primary or secondary
- C. Presents with growth failure in infancy
- D. Urinary pH is usually < 5
Correct Answer: B
Rationale: Distal renal tubular acidosis (RTA) can be either primary (inherited) or secondary (acquired due to other conditions), affecting acid excretion in the distal tubule.
An older adult woman with a long history of chronic obstructive pulmonary disease (COPD) is admitted with progressive shortness of breath and a persistent cough. She is anxious and is complaining of a dry mouth. Which intervention should the nurse implement?
- A. Administer a prescribed sedative
- B. Encourage client to drink water
- C. Apply a high-flow venturi mask
- D. Assist her to an upright position
Correct Answer: D
Rationale: An upright position improves lung expansion and oxygenation, which is crucial for a client with COPD.