Cardiovascular System 2.1 - Circulation
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Questions and Answers

What is the term for the cyclical pattern of heart contractions and relaxations?

  • Cardiac cycle (correct)
  • Cardiac contraction
  • Cardiac relaxation
  • Cardiac rhythm

During which phase of the cardiac cycle does the ventricle contract?

  • Diastole
  • Ventricular relaxation
  • Atrial contraction
  • Systole (correct)

What is the characteristic of blood pressure during systole?

  • No pressure
  • Variable pressure
  • Low pressure
  • High pressure (correct)

What happens to the ventricles during diastole?

<p>They relax (A)</p> Signup and view all the answers

What is the term for the active contraction of ventricles?

<p>Systole (A)</p> Signup and view all the answers

The cardiac cycle is a pattern of heart contractions and relaxations that occurs in a random sequence.

<p>False (B)</p> Signup and view all the answers

During systole, the ventricles fill with blood from the atria.

<p>False (B)</p> Signup and view all the answers

The pressure in the ventricles is low during systole.

<p>False (B)</p> Signup and view all the answers

Diastole is the phase of the cardiac cycle where the ventricles actively contract.

<p>False (B)</p> Signup and view all the answers

The atria fill with blood during systole.

<p>False (B)</p> Signup and view all the answers

The cardiac cycle is a pattern of heart contractions and relaxations that occurs in a constant sequence.

<p>True (A)</p> Signup and view all the answers

During diastole, the ventricles empty into the aorta and pulmonary arteries.

<p>False (B)</p> Signup and view all the answers

The phase of the cardiac cycle characterized by ventricular relaxation is called systole.

<p>False (B)</p> Signup and view all the answers

The heart contracts and relaxes in a cyclical pattern in response to mechanical changes within the cells.

<p>False (B)</p> Signup and view all the answers

Blood pressure is high during diastole.

<p>False (B)</p> Signup and view all the answers

What is the purpose of maintaining blood pressure within an ideal range?

<p>To prevent organ damage and ensure sufficient blood supply to organs (B)</p> Signup and view all the answers

What happens to blood pressure during systole?

<p>It increases (A)</p> Signup and view all the answers

What is the consequence of blood pressure being too low?

<p>Inadequate blood supply to organs (D)</p> Signup and view all the answers

What is the term for the ventricular relaxation phase of the cardiac cycle?

<p>Diastole (C)</p> Signup and view all the answers

What is the result of high blood pressure?

<p>Organ damage (A)</p> Signup and view all the answers

What system helps maintain blood pressure within the ideal range?

<p>Nervous detection and hormonal response (B)</p> Signup and view all the answers

The heart contracts and relaxes in a cyclical pattern in response to ______ changes within the cells.

<p>electrical</p> Signup and view all the answers

The ______ contraction of ventricles is called systole.

<p>active</p> Signup and view all the answers

If the blood pressure is too high, it can cause ______ to the tissues.

<p>damage</p> Signup and view all the answers

If the blood pressure is too low, it won't supply the organs with enough ______ or oxygen.

<p>blood</p> Signup and view all the answers

The ______ of ventricles from the atria occurs during diastole.

<p>filling</p> Signup and view all the answers

High blood pressure is also known as ______.

<p>hypertension</p> Signup and view all the answers

Match the following phases of the cardiac cycle with their characteristics:

<p>Systole = Ventricular contraction and high pressure Diastole = Ventricular relaxation and low pressure Ventricular filling = Filling of ventricles from the atria Ventricular emptying = Emptying of ventricles into the aorta and pulmonary arteries</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Hypertension = High blood pressure Hypotension = Low blood pressure Systole = Ventricular contraction Diastole = Ventricular relaxation</p> Signup and view all the answers

Match the following consequences with the corresponding blood pressure condition:

<p>Organ damage and tissue damage = High blood pressure Not enough oxygen or nutrients supplied to the tissue = Low blood pressure Cell death = High blood pressure Tissue waste products build up = Low blood pressure</p> Signup and view all the answers

Match the following statements with the correct phase of the cardiac cycle:

<p>The ventricles contract = Systole The ventricles fill with blood from the atria = Diastole The ventricles empty into the aorta and pulmonary arteries = Systole The ventricles relax = Diastole</p> Signup and view all the answers

Match the following systems with their functions in maintaining blood pressure:

<p>Stretch receptors in blood vessels = Detecting blood pressure changes Nervous detection and response = Responding to blood pressure changes Hormonal system = Regulating blood pressure Cardiac cycle = Maintaining blood pressure within a range</p> Signup and view all the answers

Match the following phrases with their corresponding descriptions:

<p>ACT SYSTematically = Remembering systole as active contraction DIA PASSIVEly = Remembering diastole as passive relaxation Cardiac cycle = Cyclical pattern of heart contractions and relaxations Ideal range = Range of blood pressure to prevent damage</p> Signup and view all the answers

Match the following phases of the cardiac cycle with their characteristics:

<p>Systole = Ventricular relaxation and low blood pressure Diastole = Ventricular contraction and high blood pressure</p> Signup and view all the answers

Match the following blood pressure conditions with their consequences:

<p>Hypertension = Insufficient oxygen/nutrient supply to tissues Hypotension = Organ damage and tissue damage</p> Signup and view all the answers

Match the following systems with their functions in maintaining blood pressure:

<p>Stretch receptors = Detecting changes in blood pressure Nervous system = Responding to changes in blood pressure Hormonal system = Regulating blood pressure Immune system = Responding to changes in blood pressure</p> Signup and view all the answers

Match the following descriptions with the correct phase of the cardiac cycle:

<p>Ventricles fill with blood from the atria = Diastole Ventricles contract and empty into the aorta/pulmonary arteries = Systole Ventricles relax and contract simultaneously = Neither Ventricles stop functioning = Neither</p> Signup and view all the answers

Match the following terms with their definitions:

<p>Cardiac cycle = Random pattern of heart contractions and relaxations Systole = Ventricular contraction Diastole = Ventricular relaxation</p> Signup and view all the answers

Match the following characteristics with the correct phase of the cardiac cycle:

<p>Active ventricular contraction = Systole Passive ventricular relaxation = Diastole Active atrial contraction = Systole Passive ventricular contraction = Diastole</p> Signup and view all the answers

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