The Heart
4 years ago
michellewinecoff
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20 QuestionsShow answers
  • Question 1
    300 seconds
    Q. The pointed, inferior portion of the heart, known as the ________ rests on the diaphragm and is oriented towards the left hip.
    answer choices
    base
    mediastinum
    apex
    pericardium
  • Question 2
    300 seconds
    Q. The two superior receiving chambers of the heart are known as the _________
    answer choices
    atria
    ventricles
  • Question 3
    300 seconds
    Q. The valves between the atria and ventricles are known as the ________ valves.
    answer choices
    atrioventricular
    aortic
    semilunar
    pulmonary
  • Question 4
    300 seconds
    Q. Blood leaves the right ventricle through the ___________.
    answer choices
    pulmonary trunk
    aorta
    superior vena cava
    coronary sinus
  • Question 5
    300 seconds
    Q. The term that means heart contraction is ________.
    answer choices
    diastole
    systole
    tachycardia
    fibrillation
  • Question 6
    300 seconds
    Q. The VOLUME of blood pumped out of a ventricle with each heartbeat is known as ________ 
    answer choices
    Heart Rate
    Stroke Volume
    Cardiac Output
    Blood Pressure
  • Question 7
    300 seconds
    Q. Large blood vessels that carry blood away from the heart are called:
    answer choices
    arteries
    capillaries
    veins
    venae cavae
  • Question 8
    300 seconds
    Q. Tunica _______, the middle layer of a typical blood vessel, contains smooth muscle and elastic fibers.
    answer choices
    intima
    externa
    media
    adventitia
  • Question 9
    300 seconds
    Q. Arteries are normally depicted as red while veins are colored blue.  The exceptions to this rule are the _______ arteries and veins.
    answer choices
    systemic
    hepatic
    coronary
    pulmonary
  • Question 10
    300 seconds
    Q. Pulmonary circulation involves blood flow to and from the heart and the _______.
    answer choices
    body
    digestive organs
    brain
    lungs
  • Question 11
    300 seconds
    Q. When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.
    answer choices
    right ventricle to right atrium
    left ventricle to left atrium
    left atrium to the right atrium
    right atrium to the left atrium
  • Question 12
    300 seconds
    Q. The sinoatrial node is located in the ________.
    answer choices
    aorta
    right atrium
    left atrium
    right ventricle
  • Question 13
    300 seconds
    Q. Which one of the following represents the correct path for the transmission of an impulse in the intrinsic conduction system of the heart?
    answer choices
    AV node, Bundle of His, SA node, Purkinje fibers, bundle branches
    SA node, AV node, Bundle of His, bundle branches, Purkinje fibers
    SA node, Bundle of His, AV node, Purkinje fibers, bundle branches
    SA node, Bundle of His, bundle branches, Purkinje fibers, AV node
  • Question 14
    300 seconds
    Q. A person with a heart rate of 75 beats per minute and stroke volume of 60 mL per beat has a cardiac output of _______.
    answer choices
    4500 mL/min
    1.25 mL/min
    0.8 mL/min
    120 mL/min
  • Question 15
    300 seconds
    Q. The heart sounds "lub" and "dup" result from ________. 
    answer choices
    opening of the heart valves
    firing of the nodes of the intrinsic conduction system
    blood rushing through the chambers
    closure of heart valves
  • Question 16
    300 seconds
    Q. Exchanges between blood and tissue cells occur in capillary beds.
    answer choices
    True
    False
  • Question 17
    300 seconds
    Q. Which label is representing the Purkinje fibers?
    answer choices
    A
    C
    D
    E
  • Question 18
    300 seconds
    Q. What does letter D represent?
    answer choices
    Aorta
    Left Atrium
    Left ventricle
    Right Atrium
  • Question 19
    300 seconds
    Q. If there is a sudden drop in blood pressure, what happens to the heart rate?
    answer choices
    Increases
    Decrease
    Returns to Normal
    Stays the same
  • Question 20
    300 seconds
    Q. Which has valves, arteries or veins?
    answer choices
    Arteries
    Veins
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