Anatomy of the Heart Atria
65 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the function of the atria when they are relaxed?

  • Pump blood into the ventricles
  • Receive blood from the body and lungs (correct)
  • Contract to pump blood to the body
  • Oxygenate the blood from the lungs

    • What is the term for the singular form of the atria?

  • Ventricle
  • Atrium (correct)
  • Atria
  • Myocardium

    • Which atrium receives blood from the lungs?

  • Neither atrium receives blood from the lungs
  • Left atrium (correct)
  • Both atria receive blood from the lungs
  • Right atrium

    • What is the function of the atria when they are contracted?

    <p>Pump blood into the ventricles (D)</p> Signup and view all the answers

    What is the term for the plural form of the atrium?

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

    The left atrium receives blood from the body.

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

    The atria pump blood into the ventricles when they are relaxed.

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

    There are three atria in the heart.

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

    The right atrium receives blood from the lungs and the body.

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

    The atria are located at the base of the heart.

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

    What is the function of the ventricles when they are relaxed?

    <p>Receive blood from the atria (A)</p> Signup and view all the answers

    Which blood vessel does the left ventricle pump blood into?

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

    What divides the left and right sides of the heart?

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

    What is the destination of the blood pumped by the right ventricle?

    <p>The lungs (D)</p> Signup and view all the answers

    Where are the ventricles located in the heart?

    <p>At the apex of the heart (B)</p> Signup and view all the answers

    The left ventricle pumps blood into the pulmonary artery.

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

    The ventricles are located at the base of the heart.

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

    The atria and ventricles are divided by an interventricular septum.

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

    The ventricles receive blood from the atria when they are contracted.

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

    The right ventricle pumps blood to the body.

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

    The ventricles receive blood from the ______ when relaxed

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

    The ______ ventricle pumps blood to the body

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

    The right ventricle pumps blood to the [blank)

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

    The left and right ventricles are divided by an ______ septum

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

    The ventricles pump blood out of the heart when they are ______

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

    What is the main function of the heart valves?

    <p>To ensure one-way flow of blood through the heart (C)</p> Signup and view all the answers

    Where are the atrioventricular valves located?

    <p>Between the atria and the ventricles (C)</p> Signup and view all the answers

    What type of valve is found in the pulmonary artery and aorta?

    <p>Semi-lunar valve (D)</p> Signup and view all the answers

    What is the structure of the heart valves composed of?

    <p>Leaflets or cusps (B)</p> Signup and view all the answers

    What is the purpose of the heart valves during ventricular contraction and relaxation?

    <p>To prevent backflow of blood (A)</p> Signup and view all the answers

    What is the main purpose of the heart valves during ventricular contraction and relaxation?

    <p>To prevent backflow of blood and ensure one-way flow (D)</p> Signup and view all the answers

    Where are the semi-lunar valves located in the heart?

    <p>In the arteries leaving the heart (D)</p> Signup and view all the answers

    What is the characteristic shape of the heart valves?

    <p>Leaflet-shaped (D)</p> Signup and view all the answers

    What is the location of the atrioventricular valves in the heart?

    <p>Between atria and ventricles (A)</p> Signup and view all the answers

    What is the function of the heart valves in ensuring a healthy circulation?

    <p>To prevent backflow of blood and ensure one-way flow (B)</p> Signup and view all the answers

    What is the primary function of the atrioventricular valves?

    <p>To prevent backflow of blood from the ventricle into the atrium (B)</p> Signup and view all the answers

    What is the characteristic shape of the semi-lunar valves?

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

    How many cusps does the right AV valve have?

    <p>3 (D)</p> Signup and view all the answers

    What is the purpose of the aortic valve?

    <p>To prevent backflow of blood from the aorta into the ventricle (B)</p> Signup and view all the answers

    What is the name of the left AV valve?

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

    What is the main function of the atrioventricular (AV) valves?

    <p>Prevent backflow of blood from the ventricle into the atrium when the ventricle relaxes (D)</p> Signup and view all the answers

    What is the function of the semi-lunar valves in the heart?

    <p>Prevent backflow of blood from the arteries into the ventricle when the ventricle contracts (C)</p> Signup and view all the answers

    How many cusps does the left AV valve, commonly called mitral, have?

    <p>2 cusps (B)</p> Signup and view all the answers

    Where are the semi-lunar valves located in the heart?

    <p>In the arteries leaving the heart (D)</p> Signup and view all the answers

    What is the primary purpose of the aortic valve in the heart?

    <p>Prevent backflow of blood into the ventricle when the ventricle relaxes (B)</p> Signup and view all the answers

    The aortic valve prevents backflow of blood from the aorta into the ventricle when the ventricle relaxes.

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

    The left AV valve is commonly called bicuspid and has three cusps.

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

    Semi-lunar valves are situated between the ventricles and the atria in the heart.

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

    The right AV valve, commonly called tricuspid, has two cusps.

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

    The function of the AV valves is to prevent backflow of blood from the atria into the ventricles during contraction.

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

    Match the heart valve with its location in the heart:

    <p>Right AV valve (tricuspid) = Between the right atrium and right ventricle Left AV valve (mitral) = Between the left atrium and left ventricle Aortic valve = In the aorta Pulmonic valve = In the pulmonary artery</p> Signup and view all the answers

    Match the heart valve with its function:

    <p>Right AV valve (tricuspid) = Prevents backflow of blood from the right ventricle into the right atrium when the ventricle contracts Left AV valve (mitral) = Prevents backflow of blood from the left ventricle into the left atrium when the ventricle contracts Aortic valve = Prevents backflow of blood from the aorta into the left ventricle when the ventricle relaxes Pulmonic valve = Prevents backflow of blood from the pulmonary artery into the right ventricle when the ventricle relaxes</p> Signup and view all the answers

    Match the type of valve with its characteristic shape:

    <p>Right AV valve (tricuspid) = Commonly called tricuspid – 3 cusps Left AV valve (mitral) = Commonly called mitral – 2 cusps Aortic valve = Semi-lunar shape Pulmonic valve = Semi-lunar shape</p> Signup and view all the answers

    Match the heart valve with the chamber it separates:

    <p>Right AV valve (tricuspid) = Right atrium and right ventricle Left AV valve (mitral) = Left atrium and left ventricle Aortic valve = Aorta and left ventricle Pulmonic valve = Pulmonary artery and right ventricle</p> Signup and view all the answers

    Match the heart valve with what it prevents:

    <p>Right AV valve (tricuspid) = Backflow of blood from the right ventricle into the right atrium when the ventricle contracts Left AV valve (mitral) = Backflow of blood from the left ventricle into the left atrium when the ventricle contracts Aortic valve = Backflow of blood from the aorta into the left ventricle when the ventricle relaxes Pulmonic valve = Backflow of blood from the pulmonary artery into the right ventricle when the ventricle relaxes</p> Signup and view all the answers

    What is the main function of the cord-like tendons in the heart?

    <p>To prevent the valve leaflets from opening backwards into the atrium (C)</p> Signup and view all the answers

    Where are the chordae tendinae attached to?

    <p>The papillary muscles (B)</p> Signup and view all the answers

    What is the term for the nipple-like structures in the heart?

    <p>Papilla (D)</p> Signup and view all the answers

    During which phase of the cardiac cycle do the chordae tendinae play a crucial role?

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

    What type of valves do the chordae tendinae work with to prevent backflow?

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

    The ______ tendons maintain the position of the valve leaflets during ventricular contraction.

    <p>cord-like</p> Signup and view all the answers

    The chordae tendinae are attached to the ______ muscles.

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

    The papillary muscles can contract and relax a small amount to help support the ______ tendinae.

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

    The term ______ refers to the nipple-like structures in the heart.

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

    The AV valves are found in the heart and have ______ tendons that prevent backflow.

    <p>cord-like</p> Signup and view all the answers

    More Like This

    Comparison of Heart Atria and Ventricles
    10 questions

    Comparison of Heart Atria and Ventricles

    NicestHibiscus avatar
    NicestHibiscus
    Chambers of the Heart Atria Quiz
    18 questions

    Chambers of the Heart Atria Quiz

    SeamlessSetting avatar
    SeamlessSetting
    Chambers of the Heart Anatomy Quiz
    29 questions

    Chambers of the Heart Anatomy Quiz

    ImpartialAlbuquerque avatar
    ImpartialAlbuquerque
    The Heart and Its Chambers
    55 questions

    The Heart and Its Chambers

    RightAmbiguity avatar
    RightAmbiguity
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser