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GCU BIO 202 Exam 3 Questions & Correct Verified Answers| Already Passed
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GCU BIO 202 Exam 3 Questions & Correct Verified Answers| Already Passed
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GCU BIO 202 Exam 3 Questions &Correct Verified Answers| Already
Passed
Preload - ✔✔volume of blood in ventricles at end of diastole
Afterload - ✔✔The force or resistance against which the heart pumps.
Digitalis - ✔✔strengthens the contraction of the heart muscle, slows the heart rate, and
helps eliminate fluid from body tissues
total peripheral resistance - ✔✔vascular resistance, blood viscosity, turbulence
Stroke Volume (SV) - ✔✔EDV-ESV
cardiac output - ✔✔heart rate x stroke volume
Chronotropy - ✔✔Raising or lowering of heart rate
Frank-Starling Law of the Heart - ✔✔the more the heart fills with blood during diastole, the
greater the force of contraction during systole
Right heart failure - ✔✔The heart does not adequately circulate blood to the pulmonic system. Can
be due to volume overload or regurgitation in Tricuspid Valve or Pulmonic Valve.
Can lead to systemic edema, back up of blood in liver and lower extremities
, left heart failure - ✔✔The heart does not adequately circulate blood to systemic system. Due
to pressure overload or volume overload
BP - ✔✔120/80 is normal
140/90 is hypertension
Mean Arterial Pressure (MAP) - ✔✔diastolic pressure + 1/3 pulse pressure
Angiogenesis - ✔✔growth of new blood vessels
Baroreceptors - ✔✔detect changes in blood pressure
Chemoreceptors - ✔✔chemical sensors in the brain and blood vessels that identify changing levels
of oxygen and carbon dioxide
medullary ischemic reflex - ✔✔automatic response to a drop in perfusion of the brain
Neutrophils - ✔✔phagocytize bacteria, respiratory burst
Eosinophils - ✔✔allergies and parasites
Basophils - ✔✔release histamine
Monocytes - ✔✔Specialized macrophages
Interferons - ✔✔interfere with viral replication within cells
Alternate pathway of complement system - ✔✔No antibodies required, nonspecific defense; C3
present in blood combines with factors B, D, and P attached on microbe surface, requires properdin
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