The following describes the number of times the bent bens per minute: a) Heart R

Question

The following describes the number of times the bent bens per minute: a) Heart Rite b) Stroke Volume c) Cardiac Output d) Blood Pressure c) All of the Above The following describes the amount of blood pumped out of the ventricle pet contraction: a) Heart Rate b) Stroke Volume c) Cardiac Output d) Blood Pressure e) All of the Above The following describes the amount of blood transported out of the heart pet minute: a) Heart Rate b) Stroke Volume c) Cardiac Output d) Blood Pressure e) All of the Above The following is equal to the heart rate times stroke volume: a) Cardiac Output b) Blood Pressure c) Red Blood Cell Count d) White Blood Cell Count e) None of the Above The following is the normal range of the heart tale al rat a) Less than 60 beats per minute b) 60-100 beats per minute c) 100-160 beats per minute d) 160 -250 beats per minute e) None of the Above The following is seen during bradycardia: a) Less than 60 beats per minute b) 60-100 beat

Explanation / Answer

Before answering these objectives, let us first understand the meaning of each of the following terms.
Heart rate: It is the speed measured per minute as the number of contractions. It is the number of beats per minute
Stroke Volume: It is the volume of blood ejected from ventricle with each stroke/ beat
Cardiac output: It is the amount of blood pumped by the heart and is given as the product of the heart rate and the stroke volume.
Blood pressure: It is defined as the pressure of the blood that exists in the circulatory system.
Red blood cell count: It is a test to find the number of RBCs and iso known as erythrocyte count.
So,
Ans 1: The answer is Heart rate as it is the number of times the heart beats per minute

Ans2: The amount of blood pumped out of each ventricle during a single beat is the Stroke volume
Ans 3: the amount of blood ejected by the heart per unit time is called as the cardiac output.
Ans 4: Heart rate x stroke volume = Cardiac output so the answer is Cardiac output

If at rest, the heart is beating too fast over 100 beats a minute the condition is known as Tachycardia
If at rest, the heart rate is too slow measured below 60 beats the condition is known as Bradycardia
If at rest, the heart rate ranges fom 60 - 100 then it is normal

Ans 5: A normal resting heart rate for adults ranges from 60 to 100 beats a minute.
Ans 6: Bradycardia is a condition in which an individual has a slow heart rate under 60 beats per minute, So the correct answer is option A

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