Flashcards in Chapter 19 Deck (22):
The vessel layer that has a direct role in vasoconstriction is the __________.
Blood flows directly from __________ into capillary beds.
The vessels that exhibit the lowest level of permeability are the __________.
When would the capillary beds surrounding the gastrointestinal organs be open?
when digesting a meal
Which of the following is true when comparing arteries and veins?
Arteries carry blood away from the heart; veins carry blood to the heart.
Blood flow would be increased by __________.
increasing cardiac output
peak of aortic pressure
owest level of aortic pressure
the difference between systolic and diastolic pressure
mean arterial pressure
pressure that propels blood to the tissues
Which of the following acts on the kidneys and blood vessels to raise blood pressure?
Hypertension is defined physiologically as a condition of sustained arterial pressure of __________ or higher.
If the net filtration pressure (NFP) is positive, then fluid is reabsorbed into the blood.
Which of the following would experience increased blood flow during exercise?
Fluids would be likely to leave or filter out of the capillary if __________.
net hydrostatic pressure (HP) is greater than net osmotic pressure (OP)
Cardiogenic shock is most likely to result from __________.
multiple heart attacks
Blood from the brain is returned to the heart via the __________.
superior vena cava
The hepatic portal system collects blood from the __________ and then routes it to the __________.
GI tract; liver
metabolic control of blood flow
stretch of vascular smooth muscle
myogenic control of blood flow
nervous system control of blood flow