The nurse counts an adults heart beat at 110 beats per minute. The nurse describes this as
Asystole
Bigeminy
Bradycardia
Tachycardia
The Correct Answer is D
Tachycardia refers to a heart rate that is faster than the normal range, which is typically considered to be between 60 and 100 beats per minute in adults. A heart rate of 110 beats per minute is above the normal range and is considered tachycardia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The walls of the atria are thin because they do not generate as much pressure as the ventricles, as their main function is to receive blood from the veins and pump it into the ventricles. The ventricles have thicker walls because they are responsible for generating the force necessary to pump blood out of the heart and into the systemic or pulmonary circulation.
Correct Answer is B
Explanation
The correct answer is B. Systolic pressure less than 120 mmHg and diastolic pressure less than 80 mmHg is considered normal blood pressure in adults according to current guidelines. A systolic pressure between 140-150 mmHg (option A) would be classified as stage 1 hypertension, while a systolic pressure greater than 140 mmHg and diastolic pressure of 100 mmHg (option D) would be classified as stage 2 hypertension. A systolic pressure less than 100 mmHg regardless of diastolic pressure (option C) would be considered low blood pressure.
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