Figure 19.14 below shows an action potential of a ventricular cardiocyte. Which of the following indicates rapid depolarization when sodium channels are fully open.

___________ aid in the body’s defensive processes by secreting histamine(vasodilator) and heparin (anticoagulant) in the tissues.

Acetylcholine from the Vagus nerve (CN X) would most likely have this effect on myocardiocytes of the SA node.

Arrange the following vessels in order from proximal (#1) to distal (#6)

Erythropoietin stimulates erythropoiesis in which organ?

Associated with the ‘dupp’ second heart sound

When a fibrin clot is no longer needed it is dissolved by this protein.

Acts a selectively permeable barrier between the blood and the tissues.

Blood is what type of tissue

Stenosis (narrowing) of a semilunar valve would result in