Recent

  • Show all results for ""

🎧 New: AI-Generated Podcasts Turn your study notes into engaging audio conversations. Learn more

Cardiovascular system (physiology) no ai
74 Questions
15 Views

Cardiovascular system (physiology) no ai

Created by
@MomentousMorganite

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which of the following is a function of the cardiovascular system

  • Maintenance of normal blood pressure within the arteries
  • Prehension
  • Maintenance of blood flow into the tissues
  • Both A and C (correct)

    • Which of the following is a function of the cardiovascular system

  • Maintenance of blood flow into the tissues (correct)
  • Maintaining homeostasis
  • Assemble amino acids
  • Both A and B

    • Structure of the heart

  • Cone shaped, fluid-filled structure
  • Cone shaped, hollow muscular structure (correct)
  • Oval shape, fluid filled muscular structure
  • Oval shape, hollow muscular structure

    • Where is the heart located

    <p>Between the 3rd and 6th intercostal space in the dog</p> Signup and view all the answers

    What is the heart made up of

    <p>Series of chambers and valves</p> Signup and view all the answers

    What is the function of the heart

    <p>Pump blood through the body</p> Signup and view all the answers

    What makes up the outer surface of the heart

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

    What is the term for the muscle tissue of the heart

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

    What is the inner surface of the heart

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

    What lines the interior walls of the heart, chambers, and luminal surfaces of blood vessels

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

    What are the chambers

    <p>Left and right atria and ventricles</p> Signup and view all the answers

    What are the left and right sides of the heart separated by

    <p>Both A and B</p> Signup and view all the answers

    What are the ventricles and atria separated by

    <p>Both A and C</p> Signup and view all the answers

    What structure prevents backflow of blood back into the ventricles when blood is being pumped out

    <p>Both A and B</p> Signup and view all the answers

    What is the cardiovascular system divided into

    <p>Both A and C</p> Signup and view all the answers

    The systemic circulation makes up how much of blood volume

    <p>80%</p> Signup and view all the answers

    The pulmonary circulation makes up how much of blood volume

    <p>15%</p> Signup and view all the answers

    Both the systemic and pulmonary circulation has both venous and arterial systems

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

    Only the pulmonary circulation has arterial and venous systems, the systemic circulation only has a venous system

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

    The systemic arterial circulation is a low pressure system

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

    The systemic arterial circulation is a high pressure system

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

    Hydrostatic pressure is not necessary to perfuse tissues with a high resistance to blood flow

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

    Hydrostatic pressure is required to perfuse tissues with a high resistance to blood flow

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

    Which of the following statements is accurate to the pulmonary arterial and venous & systemic venous circulations

    <p>Both A and B</p> Signup and view all the answers

    High pressures in venous systems may cause fluid to leak from the vessels and to accumulate as edema

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

    Low pressures in venous systems may cause fluid to leak from the vessels and to accumulate as edema

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

    Blood pressure

    <p>Both A and C</p> Signup and view all the answers

    Blood pressure refers to systemic arterial blood pressure

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

    Blood pressure refers to systemic venous blood pressure

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

    Blood pressure refers to pulmonary arterial blood pressure

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

    Systemic arterial blood pressure rises and falls in coordination with the circadian rhythm

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

    Systemic arterial blood pressure rises and falls in coordination with the cardiac cycle

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

    Systole

    <p>pressure rises</p> Signup and view all the answers

    Diastole

    <p>Pressure falls</p> Signup and view all the answers

    What allows proper tissue perfusion & prevention of edema formation (capillaries and veins)

    <p>Maintenance of normal blood pressure</p> Signup and view all the answers

    How does the contraction & relaxation of the heart occur

    <p>All of the above</p> Signup and view all the answers

    Difference between systolic and diastolic pressures

    <p>Pulse pressure</p> Signup and view all the answers

    Increase in BP & resistance is caused by

    <p>Vasoconstriction of arterioles</p> Signup and view all the answers

    What controls the vasoconstriction of arterioles

    <p>Sympathetic nervous system</p> Signup and view all the answers

    What NS is dominant at rest

    <p>Parasympathetic NS</p> Signup and view all the answers

    At rest, blood flow is directed towards

    <p>The digestive system and other organs</p> Signup and view all the answers

    Intrinsic ability for spontaneous depolarization & repolarization results in

    <p>Rhythmic pumping action</p> Signup and view all the answers

    Depolarization occurs ONLY when stimulated by a nerve ending

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

    Depolarization occurs w/o stimulation by a nerve-ending

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

    Cardiac tissues have ____________, which causes depolarization to occur w/o stimulation by a nerve ending

    Signup and view all the answers

    Muscle fibers w/in the RA =

    <p>Both B and C</p> Signup and view all the answers

    Terminology for "listening to the heart" is ___________ ____________

    <p>Cardiac auscultation</p> Signup and view all the answers

    Most important factor of the regulation of the heart is the

    <p>Autonomic NS</p> Signup and view all the answers

    HR can be determined by various factors including body temperature

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

    Term for normal heart rhythm

    <p>Sinus rhythm</p> Signup and view all the answers

    What is the sinus rhythm determined by

    <p>SA node w/in RA</p> Signup and view all the answers

    Arrhythmias can be

    <p>Both B and C</p> Signup and view all the answers

    A bradyarrhythmia is

    <p>Too slow- cannot pump enough blood to meet the body's needs</p> Signup and view all the answers

    A tachyarrhythmia is

    <p>Too fast- cannot fill the heart adequately &amp; will have abnormal pumping function</p> Signup and view all the answers

    How is contractility of the myocardium determined by (at the molecular level

    <p>Interaction of calcium ions with contractile proteins (actin, myosin)</p> Signup and view all the answers

    Which of the following has a high resistance to blood flow

    <p>All of the above</p> Signup and view all the answers

    What is required to perfuse the following tissues; heart, kidney, brain, & other tissues above the heart

    <p>Hydrostatic pressure</p> Signup and view all the answers

    How many parts is the cardiac cycle divided into

    <p>All of the above</p> Signup and view all the answers

    Systole corresponds to

    <p>All of the above</p> Signup and view all the answers

    Diastole corresponds to

    <p>Both A &amp; B</p> Signup and view all the answers

    Systole is when

    <p>Blood pressure rises</p> Signup and view all the answers

    Diastole is when

    <p>Blood pressure falls</p> Signup and view all the answers

    Common pulse point location for the cat

    <p>Femoral artery- medial surface of the thigh, near the belly</p> Signup and view all the answers

    Common pulse point location of a dog

    <p>Femoral artery- medial surface of the thigh, near the belly</p> Signup and view all the answers

    Cardiac muscle fibers are

    <p>All of the above</p> Signup and view all the answers

    Much like skeletal muscle, impulses travel cell to cell, via intercalated discs in a wave like fashion

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

    unlike skeletal muscle, impulses travel cell to cell, via intercalated discs in a wave like fashion

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

    The heart does not contract as a unit, but rather, the individual chambers contract intermittently

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

    The heart contracts as a unit or not at all

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

    What determines the rate of spontaneous depolarization of the SA node

    <p>Balance between the sympathetic and parasympathetic NS</p> Signup and view all the answers

    An electrocardiogram CANNOT determine heart rate

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

    An electrocardiogram can determine heart rate

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

    Does the sympathetic NS impact level of contractility of the myocardium?

    <p>Yes, greatly</p> Signup and view all the answers

    What can cause increase in rate & force of myocardial contraction by increasing the amount of calcium available

    <p>All of the above</p> Signup and view all the answers

    More Quizzes Like This

    Human Heart Function and Anatomy Quiz
    22 questions

    Human Heart Function and Anatomy Quiz

    ModernComposite avatar
    ModernComposite
    Heart Function and Anatomy
    10 questions

    Heart Function and Anatomy

    EndearingCherryTree avatar
    EndearingCherryTree
    Heart Function
    1 questions

    Heart Function

    AccessibleJasper avatar
    AccessibleJasper
    Human Heart Function
    2 questions

    Human Heart Function

    IntelligentGuqin avatar
    IntelligentGuqin
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser