Match each term with its definition or description.
-Innermost layer of an artery or vein
A)Artery
B)Vein
C)Capillary
D)Tunica adventitia
E)Tunica intima
F)Tunica media
G)Ductus arteriosus
H)Ductus venosus
I)Hepatic portal system
J)Pulse

Question

Quizplus · Accepted Answer

The innermost layer of an artery or vein is the tunica intima.

Answer: A
 Arteries are blood vessels that carry blood away from the heart.

Answer: B
 Veins are blood vessels that carry blood towards the heart.

Answer: F
 The tunica media is the middle layer of an artery or vein that contains smooth muscle cells.

Answer: H
 The ductus venosus is a fetal blood vessel that connects the umbilical vein to the inferior vena cava.

Answer: I
 The hepatic portal system is a system of blood vessels that carries blood from the gastrointestinal tract to the liver.

Answer: J
 Pulse is the measurement of the pressure wave of blood as it passes through the arteries.

Note: Tunica adventitia and ductus arteriosus are not related to the innermost layer of an artery or vein.

Match Each Term with Its Definition or Description