UCLA Phlebotomy Exam 4 Latest Update 2024- 2025 150 Questions and 100% Verified Correct Answers Guaranteed A+
"a" - CORRECT ANSWER: active form
1 molecule of hemoglobin can carry what - CORRECT ANSWER: 4 molecules of o2
-caries co2
5 types of leukocytes - CORRECT ANSWER: neutrophils, eosinophils, basophils,
monocytes, lymphocytes
afibrinogenemia - CORRECT ANSWER: total absence of measurable fibrinogen
rare
antibody - CORRECT ANSWER: substance that is produced by the body in the body in response to antigen -antibodies may attack an antigen to inhibit destroy or neutralize the antigens effect -produced by B lymphocytes
antigen - CORRECT ANSWER: a substance the body recognizes as foreign and
evokes an immune response -has antigenic determinant where the antibody recognizes the antigen and attacks it
aortic semilunar valve - CORRECT ANSWER: between left ventricle and aorta
-at entrance of aorta
arteries - CORRECT ANSWER: carry blood away from the heart
atria - CORRECT ANSWER: receives blood into the heart from the body
-contraction pushes blood into ventricles -left and right atria separated by interatrial septum
atrioventricular (AV) node - CORRECT ANSWER: -simulated after SA node
-impulse goes down bundle of His--> R&L bundle branches--> purkinje fibers --> ventricles
AV bundle (bundle of His) - CORRECT ANSWER: on top of the interventricular septum -relays impulse throughout the ventricular walls by means of bundle branches and purkinje fibers
basophils - CORRECT ANSWER: granulocyte
dark purple-blue granules containing heparin and histamines 1 / 2
irregular 2 shaped nucleus during inflammation it releases histamine to dilate blood vessels
blood flow through heart - CORRECT ANSWER: 1-Superior & Inferior Vena Cava,
2-Rt Atrium, 3-Tricuspid Valve, 4- Rt Ventricle 5-Pulmonary Valve, 6-Pulmonary Artery, 7- Lungs for oxygen/co2 exchange, 8-Pulmonary Veins, (blood is now oxygenated) 9- Lft Atrium, 10- Mitral Valve (Bicuspid), 11-Lt Ventricle, 12- Aortic Valve, 13-Aorta, 14- Body
bradycardia - CORRECT ANSWER: slow heart rate (less than 60 bpm)
capillaries - CORRECT ANSWER: smallest blood vessels, unicellular
-connect arteries to veins -slow blood flow(bc very thin) allows time to exchange nutrients, O2, co2, waste
cardiac cyle - CORRECT ANSWER: the complete sequence of events in heart from the beginning of one beat to the beginning of the following beat -includes systole and diastole
cardiac output - CORRECT ANSWER: the volume of blood ejected from the left
ventricle in 1 minute (approx. 5 liters)
coagulation cascade - CORRECT ANSWER: sequence of biochemical reactions that
form a clot -converts fibrinogen to fibrin -each factor is converted into its active form by the preceding factor
coagulation factors - CORRECT ANSWER: proteins normally present in blood
-produced by liver -normally turned off -designated by roman numerals
coagulation phase - CORRECT ANSWER: coagulation factors interact with each other to form fibrin clot -reinforces the platelet plug
common pathway - CORRECT ANSWER: activated by either intrinsic or extrinsic
pathways -all trying to get to common pathway
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