Cardiovascular System

    Cardiovascular System
    Leucocytes may be correctly described as what?
    All leucocytes have a nucleus and do not contain haemoglobin.
    Author: rikazzz Comment
    Cardiovascular System
    Some capillaries allow plasma proteins and phagocytes to enter and leave the blood. Which type?
    Sinusoids are capillaries that have gaps between their endothelial cells that are large enough to allow the passage of cells.
    Author: rikazzz Comment
    Cardiovascular System
    To what is the term “thrombocytosis” applied?
    The suffix “-cytosis” denotes an excess of. The term thrombocyte is applied to platelets.
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    Cardiovascular System
    Which of the following are two of the factors that influence arterial blood pressure?
    Mean arterial blood pressure, MAP = CO × TPR (TPR = total peripheral resistance)
    Author: rikazzz Comment
    Cardiovascular System
    The mitral valve of the heart is located between the:
    The mitral valve is the usual term used for the left atrioventricular valve.
    Author: rikazzz Comment
    Cardiovascular System
    Which one of the following is NOT a plasma protein?
    Keratin is the protein that the stratum corneum of the skin and that hair and nails are made of.
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    Cardiovascular System
    During an auscultatory blood pressure determination, the Korotkoff sounds that are listened for are produced because:
    Turbulent blood flow produces sound that is audible with a stethoscope. Auscultatory systolic BP measurement requires the artery to be squashed flat. At the point just before blood flow is stopped, the blood squirts through the squashed artery in a turbulent fashion, and this noisy squirting blood produces a sound a udible with a stethoscope.
    Author: rikazzz Comment
    Cardiovascular System
    Which of the following heart structures are listed in the correct sequence of blood flow through them?
    Blood enters the RV via the tricuspid valve; it leaves the LA via the mitral valve.
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    Cardiovascular System
    Which are the two most common types of white blood cells?
    50–70% of WBC are neutrophils and another 25% are lymphocytes.
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    Cardiovascular System
    Which of the following list of characteristics distinguishes a vein from an artery? A vein:
    A vein is not more elastic than an artery and carries blood at the same temperature as arteries, and flow in a vein is not pulsatile.
    Author: rikazzz Comment