What are the three main factors that influence total peripheral resistance(TPR)?
a._________________
b._________________
c._________________
a. Vascular resistance
b. Blood viscocity
c. Turbulence
Name three hormones that act as vasoconstrictors.
a._____________
b._____________
c._____________
a. Angiotensin II
b. Antidiuretic hormone (ADH)
c. Epinephrine
Name two hormones that directly increase blood volume.
a._________________
b._________________
a. Aldosterone
b. Antidiuretic Hormone
Track the effect on blood pressure by reducing venous return. Go through all the steps.
decrease in venous return (VR), decrease in stroke volume (SV), decrease in cardiac output (CO), decrease in blood pressure (BP)
Categorizing the following into:
A. Factors which increase blood pressure.
B. Factors that decrease blood pressure.
1.___ Decrease arterial diameter
2.___ Increase vessel elasticity
3.___ Decrease blood volume
4.___ Increase stroke volume
5.___ Decrease blood viscosity
6.___ Increase blood volume
7.___ Increase total vessel length
8.___ Decrease plasma epinephrine
9.___ Decrease plasma angiotensin
10.___ Increase plasma ADH
11.___ Increase parasympathetic stimulation
12.___ Increase sympathetic stimulation
1. A
2. B
3. B
4. A
5. B
6. A
7. A
8. B
9. B
10. A
11. B
12. A
A decrease in hematocrit will result in ____ blood viscosity and ____ blood pressure.
Decrease; Decrease
Growth will result in ____ total vessel length and an ____ blood pressure.
Increase; Increase
Arteriosclerosis will result in ____ vessel elasticity and an ____ blood pressure.
Decrease; Increase
Excessive sweating will result in a short term ____ in blood volume and a ____ in blood pressure.
Decrease; Decrease
An increase in epinephrine will result in ____ vessel diameter and an ____ in blood pressure.
Decrease; Increase