pulmonary circulation - Correct Answer carries deoxygenated blood from right side of heart via pulmonary trunk to lungs, then returns o2 blood to left side of the heart via pulmonary veins
Systemic circulation - Correct Answer Carries o2 blood from left side of the heart to all parts of the ...
BNNS501 Exam 2 Detailed Questions And Correct Verified Answers ||
2024/25
pulmonary circulation - Correct Answer carries deoxygenated blood from right side of heart via
pulmonary trunk to lungs, then returns o2 blood to left side of the heart via pulmonary veins
Systemic circulation - Correct Answer Carries o2 blood from left side of the heart to all parts of the body
(except lungs) via aorta and returns co2 blood back to right side of the body via vena cava
coronary circulation - Correct Answer circulation of blood through the coronary blood vessels to deliver
oxygen and nutrients to the heart muscle tissue (myocardium)
Pericardium - Correct Answer Superficial layer of the heart. Protects heart because of tough, dense,
inflexible connective tissue. Stops heart from overfilling anchors heart to surrounding structures. Has
two layers (partienal and visceral)
Myocardium - Correct Answer Middle layer of heart. Cardiac muscle that pumps blood
endocardium - Correct Answer Deepest layer of heart. Thin, shiny, smooth lining that covers heart
valves. Has thin connective layer underneath and minimising surface friction as blood flows through the
heart.
3x functions of blood - Correct Answer 1. Transport (o2&co2 to and from lungs, nutrients from GI tract
to tissues, wastes from cells to kidneys, hormones from glands to organs)
Name of immature RBC - Correct Answer reticulocyte
Neutrophils - Correct Answer Located in blood. Most abundant type of WBC (40-70%) engulfs
pathogens via phagocytosis and responds aggressively toward bacteria.
, Lymphocytes - Correct Answer Located in lymphatic system. Identifies and coordinates immune
response to antigens by creating antibodies. Attacks tumours and viruses. Includes: T-cells, B-cells and
natural killer cells.
Monocytes - Correct Answer produced in the bone marrow, enter the circulation, and migrate to the
inflammatory site, where they develop into macrophages. Largest type of WBC, act as phagocytes.
Macrophages - Correct Answer Found in blood and tissues. Detection and destruction of pathogens, are
phagocytes.
Eosinophils - Correct Answer Found in gut, adipose tissue, bone marrow and thymus. Combat parasites
and helminths. Involved in allergic response.
Basophils - Correct Answer Found in blood. Key in inflammatory reactions, produces histamines
Clotting Factor - Correct Answer Inactive blood proteins which rapidly become active enzymes when
needed
3x functions of platelets - Correct Answer 1. Releases chemicals that promote blood clotting
2. Aggregate other platelets
3. Helps prevent blood loss by forming platelet plug in damaged tissue
Fibrinolysis - Correct Answer Process of dissolving a clot and prevents blood vessels from clotting
innappropriatly
extrinsic pathway - Correct Answer clotting cascade. Triggered by factors following exposed blood to
damaged tissue OUTSIDE blood vessel.
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