Blood Vessels and Circulation Pt. 1

The largest blood vessels attach to the

• lungs

• heart

• brain

• spinal cord

If hypertension increases vascular resistance, the cardiac afterload will

• increase

• decrease

• be unaffected

Tags

NGSS.HS-LS1-3

The plateau phase of the cardiac action potential is found in

• cardiac contractile cells

• ectopic foci

• cardiac conductive cells.

• cardiac pacemaker cells.

True or false: Continuous capillaries are found in all tissues

• True

• False

True or False: veins stretch more than arteries

• True

• False

True or False: The tunica media anchors the vessel to adjacent tissues

• True

• False

Location of exchange between blood and interstitial fluid

• arterioles

• arteries

• venules

• capillaries

Which has thinner walls?

• veins

• arteries

Carries blood from right ventricle to pulmonary circulation

• aorta

• pulmonary veins

• pulmonary trunk

• aortic valve

Which has a large, irregular lumen (endothelium is folded)?

• arteries

• veins