5.Which are unpaired arteries?
a: Superior phrenic
b: Renal
c: Celiac trunk
d: Superior mesenteric
e: Inferior mesenteric
f: Inferior phrenic
g: Vertebral
Group of answer choices
b, c, d
d, e, g
a, b, f
b, c, d, g
c, d, e
6.Which of the following vessels carries deoxygenated blood TOthe liver?
Group of answer choices
hepatic portal vein
common hepatic artery
hepatic veins
renal arteries
7.A network of small arteries called the ___________ provides ablood supply to the tunica externa of very large vessels.
Group of answer choices
distributing arteries
thoroughfare channels
vasa vasorum
companion vessels
fenestrated capillaries
8.As a venous pathway moves closer to the heart, the veins____.
Group of answer choices
get larger
get smaller
No answer text provided.
show no change in their lumen size
9.Blood directly enters the superior vena cava from the_____.
Group of answer choices
common iliac veins
brachiocephalic veins
inferior vena cava
axillary veins
10.Blood pressure is lowest in ____.
Group of answer choices
veins
arteries
venules
capillaries
arterioles
11.Which heart chambers pump deoxygenated blood?
Group of answer choices
Right atrium and right ventricle
Right atrium and left ventricle
Left atrium and left ventricle
Left atrium and right atrium
Left ventricle and right ventricle
12.The coronary sinus drains directly into the right atrium.
Group of answer choices
True
False
13.Which action causes the closure of the right atrioventricularvalve?
Group of answer choices
ontraction of the right atrium
Contraction of the right ventricle
Contraction of the left atrium
None of these answers is correct
Contraction of the left ventricle
