Nokea
Sudden death in an athlete immediately after forceful blunt trauma to the chest is most likely
- A. commotio cordis
- B. myocardial infarction
- C. lacerated coronary artery
- D. ruptured cardiac tendineae
Correct Answer: A
Rationale: Commotio cordis occurs due to sudden arrhythmias triggered by chest trauma during a vulnerable phase of the cardiac cycle.
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In statistical methodology:
- A. The median and mean are different when the population distribution is skewed
- B. Mode refers to the value that occurs with the highest frequency
- C. The value of 'r' (coefficient of variation) ranges from -1 to +1
- D. Incidence is defined as the number of cases seen in the population at any given period of time
Correct Answer: A
Rationale: The median and mean differ in skewed distributions because the mean is influenced by extreme values, while the median is not.
The most common coronary artery anomaly in Tetralogy of Fallot is
- A. Left anterior descending artery from right aortic sinus
- B. Single coronary artery from right aortic sinus
- C. Single coronary artery from left aortic sinus
- D. Left circumflex coronary artery from right aortic sinus
Correct Answer: A
Rationale: The most common coronary artery anomaly in Tetralogy of Fallot is the left anterior descending artery arising from the right aortic sinus.
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.
Rett syndrome is characterised by:
- A. Social withdrawal
- B. Self-mutilation
- C. Macrocephaly
- D. Wringing hand movements
Correct Answer: D
Rationale: Wringing hand movements are a hallmark feature of Rett syndrome, a neurodevelopmental disorder primarily affecting females.
A male client with bilateral carpal tunnel syndrome reports to the nurse that the pain and tingling he is experiencing worsens at night. What client teaching should the nurse provide?
- A. Elevate the hands on two pillows at night
- B. Notify the healthcare provider as soon as possible
- C. Wear braces as both wrists during the night
- D. Apply cold compresses for 30 minutes before bedtime
Correct Answer: C
Rationale: Wearing wrist braces during the night helps prevent exacerbation of carpal tunnel syndrome symptoms.