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 child has been diagnosed with valvular disease following rheumatic fever (RF). During patient teaching, the nurse discusses the child's long-term prophylactic therapy with antibiotics for dental procedures, surgery, and childbirth. The parents indicate they understand when they say:
- A. She will need to take the antibiotics until she is 18 years old.
- B. She will need to take the antibiotics for 5 years after the last attack.
- C. She will need to take the antibiotics for 10 years after the last attack.
- D. She will need to take the antibiotics for the rest of her life.
Correct Answer: D
Rationale: Valvular involvement indicates significant damage; therefore, lifelong prophylactic antibiotics are required.
The child becomes unresponsive. The most likely underlying lesion is
- A. cardiomyopathy
- B. anomalous coronary artery
- C. tetralogy of Fallot
- D. constipation
Correct Answer: C
Rationale: Tetralogy of Fallot can cause hypoxic spells leading to unresponsiveness.
The following favour a non-organic (psychological) cause of abdominal pain:
- A. Two-year history
- B. Family history of peptic ulcer
- C. Family history of migraine
- D. Absence from school
Correct Answer: A
Rationale: A long history of abdominal pain without organic findings suggests a psychological cause. Family history of peptic ulcer or migraine is less relevant.
Which explanation regarding cardiac catheterization is appropriate for a preschool child?
- A. Postural drainage will be performed every 4 to 6 hours after the test.
- B. It is necessary to be completely “asleep†during the test.
- C. The test is short, usually taking less than 1 hour.
- D. When the procedure is done, you will have to keep your leg straight for at least 4 hours.
Correct Answer: D
Rationale: The child’s leg will have to be maintained in a straight position for approximately 4 hours. Younger children can be held in the parent’s lap with the leg maintained in the correct position. Postural drainage will not be performed unless the child has corresponding pulmonary problems. The child should be sedated to lie still, but being completely asleep is not necessary. The test will vary in length of time from start to finish.
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.