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Angelica Rubio

Week 14 assignment- Content from week 10

QuestionAnswer
Which hormone boosts red blood cell production to improve oxygen delivery to tissues? Erythropoietin
What tool is commonly used to check blood pressure? A sphygomomanometer
What major process causes blood vessels to widen when sympathetic signals are reduced? Inhibition of sympathetic vasoconstrictor impulses
What is the name of the movement of neutrophils as they leave the bloodstream and enter tissues? Diapedesis
Which blood vessels cannot tighten or relax in diameter? Capillaries
What does a hematocrit test measure? The percentage of red blood cells in a sample of whole blood
What is the body’s natural process for breaking down blood clots? Fibrinolysis
Why is it important that cardiac muscle cells are electrically linked as a syncytium? It allows action potentials to spread across large heart areas so the tissue contracts together.
Which two baroreceptors near the heart detect changes in blood pressure? The carotid baroreceptors and aortic baroreceptors.
What blood components help start the clotting process? Platelets.
Red blood cells develop from what type of nucleated precursor in bone marrow? Hematopoietic stem cells.
Which natural substance in the blood prevents unnecessary clot formation? Heparin
Damage to which heart valve may cause blood to flow backward into the right atrium? The tricuspid valve
Which substances are essential for normal blood coagulation? prothrombin, thrombin, fibrinogen, and fibrin.
What is a reduced number of white blood cells called? Leukopenia
What term describes the pressure difference needed to keep blood moving through a tissue? Perfusion pressure
Which three hormones work together to manage blood volume? Aldosterone, ADH, and ANH.
Where does oxygen-rich blood from the placenta go when it travels through the umbilical vein during pregnancy? Into the inferior vena cava.
The carotid body chemoreceptors are especially reactive to what condition? High carbon dioxide levels (hypercapnia).
What word describes the body mechanisms that control how blood circulates? Hemodynamics.
Created by: Angelicak89
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