hemodynamics
CO and VR
Neural Control
blood flow
solute and fluid exchange
100

The diastolic pressure here is about 80 mm Hg

What is the aorta or large arteries?

100

When the central venous pressure is equal to the systemic filling pressure what happens to venous return.

It stops.

100

The arterial baroreflex is a good example of what kind of loop?

What is a negative feedback loop?

100

Intracellular calcium forms a complex with calmodulin that activates this kinase.

What is myosin light chain kinase (MLK)?

100

Ficks law of diffusion states that the flux of a solute is dependent upon a solute coefficient, the surface area, the concentration difference and inversely proportional to the ____

What is the distance?

200

Most of the blood volume is contained here.

What is the venous system?

200

Increased blood volume shifts the venous return curve in this direction.

Up and to the right.

200

Stretch of the carotid sinus results in what ____ in sympathetic nerve activity?

What is a decrease?

200

Pharmacological activation of smooth muscle with norepinephrine activates this intracellular protein.

What is IP3, inositol 3 phosphate?

200

According to the Starling Hypothesis the main force moving fluid out of capillaries is...

What is the capillary hydrostatic pressure?

300

The cross sectional area in the CV system is the largest here.

What are the capillaries?

300

Blood is prevented from pooling in the legs because of these structures.

venous valves

300

The atria can regulate blood pressure by secretion of this substance.

What is atrial natriuretic peptide?

300

Release of the myosin head is mediated by the activity of this enzyme.

What is myosin light chain phosphatase?

300

The oncotic pressure is determined by these substances mostly found in plasma.

What are proteins?

400

The most important factor driving blood flow to the tissues is...

What is the pressure difference?

400

In the upright position, an arterial pressure of 185 mm Hg would likely be recorded here?

What are the ankles, feet.

400

Sensory endings in the carotid sinus and aortic arch regulate blood pressure after first synapsing here.


what is the Nucleus of Tractus Solitarius (NTS)?

400

Smooth muscle relaxation is mediated by this gas that comes from the endothelium.

What is nitric oxide?

400

An increase in post-capillary resistance will lead to the movement of water in this direction.

What is net water filtration?

500

The transmural pressure times the radius divided by the wall thickness is known as ...

What is the Law of Laplace?

500

During breathing VR is increase in this phase.

What is inspiration?

500

This is the major neurotransmitter in all ganglia.

What is Acytelcholine?

500

The process by which blood flow remains constant in the face of changing pressures is called....

What is autoregulation

500

A block of the lymphatic system is likely to cause this in the legs.

What is edema?

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