BIO 235 Final Exam | Dr. MacDonald WOU | Questions and Answers | 2024 update
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Course
BME 302
Institution
BME 302
BIO 235 Final Exam | Dr. MacDonald WOU | Questions and Answers | 2024 update
Potassium:
A. is more abundant outside the cell than inside the cell.
B. moves into the cell during an action potential.
C. is transported out of the neuron by the sodium-potassium pump.
D. leaks out of the cell mor...
Q=A1V1=A2V2 is only true for flow when working with a compressible fluid ** Answ**
False
Blood behaves in a more Newtonian fashion at high shear rates ** Answ** True
The windkessel model predicts the effect of the volume reservoir of the cardiovascular
system on blood pressure ** Answ** False
Your arterial circulation serves as a pressure reservoir ** Answ** True
Total cross-sectional area is greater in the capillaries ** Answ** True
Plasmin helps stabilize the fibrin clot ** Answ** False
Sterling's law states that the left ventricle will contract with the same force regardless of
left ventricular volume ** Answ** False
Hematopoietic stem cells are not pluripotent stem cells ** Answ** True
Neutrophils are solely responsible for the long-term response to an implanted
biomaterial ** Answ** False
Antigen presenting cells secrete antibodies against a newly encountered pathogen **
Answ** False
Vasoconstriction of arterioles by epinephrine lead to an increase in blood pressure due
to an increase in resistance ** Answ** True/Flase
, Increase in blood pressure leads to activation of baro-receptors that send a signal to
increase heart rate ** Answ** False
Transfusing whole blood from a type O patient into an AB patient is safe and no reaction
will be observed ** Answ** False
Antibodies bind to their antigen via the FC region ** Answ** False
Mean arterial pressure can only be affected by resistance of the system to blood flow
** Answ** False
Any person can receive plasma from an A+B+/Rh+ patient ** Answ** True
Flow via the capillaries and venules is not pulsatile ** Answ** True
Velocity and shear stresses are maximum at the vessel wall ** Answ** False
If the afterload increases by 10 mmHg, the PV loop will change by ** Answ**
Increasing SP and decreasing SV
What factor activates factor Xa ** Answ** None of the above (factor IX or VII
correct?)
Hematocrit is the fraction of blood composed mainly of ** Answ** Erythrocytes
Plasma is the portion of blood that is mainly composed of ** Answ** Proteins, gases,
ions, small molecules, etc
The first thing(s) that most likely binds to a biomaterial's surface once it is in contact with
blood is/are ** Answ** Proteins in plasma
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