Nokea
Tall (>25 mm), narrow, and spiked P waves are seen in
- A. Ebstein anomaly
- B. ventricular septal defect
- C. patent ductus arteriosus
- D. severe mitral stenosis
Correct Answer: D
Rationale: Severe mitral stenosis can cause tall, narrow, and spiked P waves due to left atrial enlargement.
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A client with stage IV bone cancer is admitted to the hospital for pain control. The client verbalizes continuous, severe pain of 8 on a 1 to 10 scale. Which intervention should the nurse implement?
- A. Administer opioid and non-opioid medication simultaneously
- B. Administer only opioid medication as prescribed.
- C. Encourage the client to practice relaxation techniques
- D. Delay medication administration until reassessment.
Correct Answer: A
Rationale: Combining opioid and non-opioid medications provides more effective pain relief for severe cancer-related pain.
Which is best described as the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures?
- A. Pulmonary congestion
- B. Congenital heart defect
- C. Heart failure
- D. Systemic venous congestion
Correct Answer: C
Rationale: The definition of heart failure is the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures to meet the body’s metabolic demands. Pulmonary congestion is an excessive accumulation of fluid in the lungs. Congenital heart defect is a malformation of the heart present at birth. Systemic venous congestion is an excessive accumulation of fluid in the systemic vasculature.
In congenital hypertrophic pyloric stenosis:
- A. Conjugated hyperbilirubinaemia may be seen
- B. Hypokalaemia is due to vomiting
- C. Blood pH is high and urinary pH is low
- D. First-born males are commonly affected
Correct Answer: B
Rationale: Hypokalaemia in congenital hypertrophic pyloric stenosis is typically due to the loss of potassium through vomiting.
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.
A hospitalized client with chemotherapy-induced stomatitis complains of mouth pain. What is the best initial nursing action?
- A. Encourage frequent mouth care
- B. Cleanse the tongue and mouth with glycerin swabs
- C. Obtain a soft diet for the client
- D. Administer a topical analgesic per PRN protocol.
Correct Answer: D
Rationale: Administering a topical analgesic provides immediate pain relief, allowing the client to tolerate mouth care and other interventions.