Nokea
All the following statements about spontaneous coronary artery dissection are true, except
- A. More common in young females
- B. Proximal coronary involvement associated with immuno-inflammatory disease
- C. Intra-coronary imaging shows 'accordion sign'
- D. Physical stress precipitates it by causing intimal tear
Correct Answer: C
Rationale: The 'accordion sign' is not typically associated with spontaneous coronary artery dissection.
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The following are true about water excretion:
- A. It is influenced by the proximal tubule
- B. It is influenced by vasopressin
- C. It depends on erythropoietin
- D. It is influenced by the ascending limb of the loop of Henle
Correct Answer: B
Rationale: It is influenced by vasopressin: Vasopressin (ADH) regulates water reabsorption in the kidneys, primarily by acting on the collecting ducts, enhancing water retention in response to dehydration.
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 client with acquired immunodeficiency syndrome (AIDS) has impaired gas exchange from a respiratory infection. Which assessment finding warrants immediate intervention by the nurse?
- A. Elevated temperature
- B. Generalized weakness
- C. Diminished lung sounds
- D. Pain when swallowing
Correct Answer: D
Rationale: Pain when swallowing could indicate an opportunistic infection such as candidiasis, which requires prompt treatment.
A client who took a camping vacation two weeks ago in a county with a tropical climate comes to the clinic describing vague symptoms and diarrhea for the past week. Which finding is most important for the nurse report to the healthcare provider?
- A. Weakness and fatigue
- B. Intestinal cramping
- C. Weight loss
- D. Jaundiced sclera
Correct Answer: D
Rationale: Jaundiced sclera indicates possible liver involvement, which could be due to a tropical disease such as hepatitis or leptospirosis.
Recurrent headaches in childhood are seen with:
- A. Tension headaches
- B. Migraine
- C. Sinusitis
- D. Hypermetropia
Correct Answer: B
Rationale: The correct answer is B because migraine is a common cause of recurrent headaches in children. The other options (a, c, d, e) are less common or present differently.