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Questions and Answers
Which of the following is a physiological condition when tachycardia occurs?
Which of the following is a physiological condition when tachycardia occurs?
- Diseases of heart valves
- Hyperthyroidism
- Fever
- Childhood (correct)
What is the range for normal heart rate in beats per minute (bpm)?
What is the range for normal heart rate in beats per minute (bpm)?
- 80-120 bpm
- 50-90 bpm
- 60-100 bpm (correct)
- 70-110 bpm
Which condition is associated with bradycardia as a pathological condition?
Which condition is associated with bradycardia as a pathological condition?
- Sleep
- Increased intracranial pressure (correct)
- Hypothermia
- Athletes
What is the result of a spontaneous, diastolic depolarization of the pacemaker cells in the SA node?
What is the result of a spontaneous, diastolic depolarization of the pacemaker cells in the SA node?
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Which of the following is a physiological condition when bradycardia occurs?
Which of the following is a physiological condition when bradycardia occurs?
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Study Notes
Heart Rate and Rhythm
- Tachycardia occurs as a physiological condition during:
- Exercise
- Anxiety
- Fear
- Fever
- Pregnancy
Normal Heart Rate
- The normal heart rate range is 60-100 beats per minute (bpm)
Pathological Bradycardia
- Heart block is a condition associated with bradycardia as a pathological condition
SA Node and Heartbeat Generation
- Spontaneous, diastolic depolarization of the pacemaker cells in the SA node results in:
- Generation of a heartbeat
Physiological Bradycardia
- Bradycardia occurs as a physiological condition during:
- Sleep
- Athletic training
- Acclimatization to high altitudes
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