Lab 47 Flashcards
The middle layer of an artery and vein contains mostly
a. connective tissue
b. simple squamous epithelium
c. smooth muscle
d. nervous tissue
C
Arteries carry blood
a. away from the heart
b. toward the heart
c. both away from and toward the heart
d. only in the systemic circuit
A
The ____ has the thickest wall
a. right atrium
b. left atrium
c. right ventricle
d. left ventricle
D
Which of the following arteries is NOT a direct branch of the aorta?
a. coronary artery
b. brachiocephalic trunk
c. left subclavian artery
d. brachial artery
D
Which of the following is NOT located in the neck?
a. vertebral vain
b. brachiocephalic vein
c. external jugular vein
d. internal jugular vein
B
Which of the following arteries is part of the cerebral arterial circle (Circle of Willis)?
a. anterior communicating artery
b. external carotid artery
c. facial artery
d. popliteal artery
A
A capillary wall is composed of three tunics similar to artery of a vein (true or false)
False
The left ventricle pumps blood into the aorta of the systemic circuit (true or false)
Try
What are the three layers of arteries and veins?
tunica interna, tunica media, tunica externa
What is the tunica interna made up of?
Simple squamous epithelium
What is the tunica media made up of?
Smooth muscle
What is the tunica externa made up of?
Connective tissues
Brachiocephalic trunk, __, right axillary artery
Right subclavian artery
Ascending aorta, __, descending thoracic aorta
Aortic arch
abdominal aorta, __, ascending colon (right side of large intestine
Superior mesentaric artery
