Answer:
All these elements: cardiac output, resistance and blood volume, are all factors that make part, and affect, blood pressure.
Blood pressure then is defined as the force excerted by blood, as it is pumped in a certain volume, from the heart, and passes through the arteries, to achieve an exchange of oxygen and nutrients, towards the tissues, and carrying out of elements of disposal from the tissues.
Cardiac output is the amount of blood that is pumped during one heartbeat, every minute, from the left ventricle towards the body. This output depends on several other elements, all of which form the blood pressure. Blood volume which is the amount of blood returned towards the heart by the veins, will fill the atria and ventricles, during a heart cycle, and then, during the heartbeat, whatever volume has filled up the left ventricle will be ejected with force towards the aorta. This force, caused both by the actual contraction of the heart muscle, and the amount of blood actually pumped from the ventricle, will generate a force against the arterial walls. It is this force, this play of physics, that will ensure the exchange of waste and nutrients to and from the tissues. But arterial walls also have a resistance, which means, they are built with tensile materials that will resist the force of the blood against them, preventing thus the walls from bursting.
This is the influence of cardiac output, resistance and blood volume on blood pressure. All of them will directly influence the blood pressure that a person has.
As the nurse is educating the patient regarding transvenous pacemaker, she can use the statement "A transvenous pacemaker is used to manage transient bradydysrhythmias like those that occur during acute MIs." The correct option is D.
<h3>What is bradydysrhythmias?</h3>
Bradydysrhythmias are a group of cardiac conduction abnormalities that range in severity from relatively benign conditions to serious, life-threatening emergencies.
The missing options of the question are:
- "A transvenous pacemaker is used in place of a transarterial pacemaker."
- "A transvenous pacemaker is a permanent pacemaker that is asynchronous."
- "A transvenous pacemaker is used for a ventricular tachydysrhythmias."
- "A transvenous pacemaker is used to manage transient bradydysrhythmias like those that occur during acute MIs."
An invasive intrusion option for managing unstable cardiac dysrhythmias is a temporary ventricular transvenous pacemaker (TVPM). TVPMs are also associated with significant risks.
As the nurse is educating the patient regarding transvenous pacemaker, she can use the statement "A transvenous pacemaker is used to manage transient bradydysrhythmias like those that occur during acute MIs."
Thus, the correct option is D.
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