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Illuminate the Truth Stroke Volume Highlight the correct word in each of the following sentences. 1. (Preload)(Afterload) is the amount of tension, or stretch, in the ventricular muscle just before it contracts. 2. (Contractility)(Stroke volume) is the force with which ventricular ejection occurs. 3. Starling's law of the heart states that the more the ventricle is stretched-within limits-the (less)(more) forcefully it will contract. 4. The force against which the heart must work to eject its volume of blood is called the (cardiac output)(afterload). 5. Factors that affect contractility are called (chronotropic) (inotropic) agents. 6. Factors that affect heart rate are called (diastolic)(chronotropic) agents.

Illuminate the Truth Stroke Volume Highlight the correct word in each of the following sentences. 1. (Preload)(Afterload) is the amount of tension, or stretch, in the ventricular muscle just before it contracts. 2. (Contractility)(Stroke volume) is the force with which ventricular ejection occurs. 3. Starling's law of the heart states that the more the ventricle is stretched-within limits-the (less)(more) forcefully it will contract. 4. The force against which the heart must work to eject its volume of blood is called the (cardiac output)(afterload). 5. Factors that affect contractility are called (chronotropic) (inotropic) agents. 6. Factors that affect heart rate are called (diastolic)(chronotropic) agents.

Phlebotomy Essentials
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
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Illuminate the Truth Stroke Volume Highlight the correct word in each of the following sentences. 1. (Preload)(Afterload) is the amount of tension, or stretch, in the ventricular muscle just before it contracts. 2. (Contractility)(Stroke volume) is the force with which ventricular ejection occurs. 3. Starling's law of the heart states that the more the ventricle is stretched-within limits-the (less)(more) forcefully it will contract. 4. The force against which the heart must work to eject its volume of blood is called the (cardiac output)(afterload). 5. Factors that affect contractility are called (chronotropic) (inotropic) agents. 6. Factors that affect heart rate are called (diastolic)(chronotropic) agents.
Transcribed Image Text:Illuminate the Truth Stroke Volume Highlight the correct word in each of the following sentences. 1. (Preload)(Afterload) is the amount of tension, or stretch, in the ventricular muscle just before it contracts. 2. (Contractility)(Stroke volume) is the force with which ventricular ejection occurs. 3. Starling's law of the heart states that the more the ventricle is stretched-within limits-the (less)(more) forcefully it will contract. 4. The force against which the heart must work to eject its volume of blood is called the (cardiac output)(afterload). 5. Factors that affect contractility are called (chronotropic) (inotropic) agents. 6. Factors that affect heart rate are called (diastolic)(chronotropic) agents.
Expert Solution
Step 1

2. Contractility is the force with which ventricular ejection occurs. { The stroke volume is the volume of blood pumped out of left ventricle}

3.The Frank-Starling law states that "the force or tension developed in a muscle fiber depends on the extent to which the fiber is stretched".

As per the above statement, More the ventricle is stretched, more forcefully it will contract.

 

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