Question 1

Structure that regulates blood flow into true capillaries.

Accepted Answer

A)  metarteriole 
B)  thoroughfare channel 
C)  precapillary sphincter 
D)  sinusoids 
E)  fenestrations 
A)  metarteriole 
B)  thoroughfare channel 
C)  precapillary sphincter 
D)  sinusoids 
E)  fenestrations

Question 2

Use the diagram above to answer the following questions.
-Identify the letter that indicates the vessel that is easy to find in most people and is used to obtain blood.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 3

Most systemic venous blood is both oxygen-poor and nutrient-poor. However, systemic venous blood that is nutrient-rich occurs in

Accepted Answer

A)  the renal vein. 
B)  superficial veins of the limbs. 
C)  the hepatic portal vein. 
D)  the pulmonary veins. 
A)  the renal vein. 
B)  superficial veins of the limbs. 
C)  the hepatic portal vein. 
D)  the pulmonary veins.

Question 4

The internal iliac arteries supply blood both to the pelvic organs and to the lower limbs.

Accepted Answer

A) True 
 B)False

Question 5

Of the following, the only unpaired dural sinus is the

Accepted Answer

A)  cavernous sinus. 
B)  superior sagittal sinus. 
C)  transverse sinus. 
D)  carotid sinus. 
A)  cavernous sinus. 
B)  superior sagittal sinus. 
C)  transverse sinus. 
D)  carotid sinus.

Question 6

Which branch (or branches) of the abdominal aorta supplies the stomach?

Accepted Answer

A)  celiac trunk 
B)  superior mesenteric artery 
C)  inferior phrenic arteries 
D)  suprarenal arteries 
A)  celiac trunk 
B)  superior mesenteric artery 
C)  inferior phrenic arteries 
D)  suprarenal arteries

Question 7

The elastic arteries are the largest arteries near the heart.

Accepted Answer

A) True 
 B)False

Question 8

A dural sinus that contains a major artery and some cranial nerves within it is the

Accepted Answer

A)  superior sagittal. 
B)  inferior sagittal. 
C)  cavernous. 
D)  transverse. 
A)  superior sagittal. 
B)  inferior sagittal. 
C)  cavernous. 
D)  transverse.

Question 9

Use the diagram above to answer the following questions.
-Identify the letter that indicates the layer common to all blood vessels regardless of their size.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 10

Use the diagram above to answer the following questions.
-Identify the letter that indicates the renal artery.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 11

A blood vessel that ranges from 0.3 mm to about 1 cm in diameter and has a large tunica media relative to the size of the lumen is

Accepted Answer

A)  an elastic artery. 
B)  a muscular artery. 
C)  an arteriole. 
D)  a capillary. 
A)  an elastic artery. 
B)  a muscular artery. 
C)  an arteriole. 
D)  a capillary.

Question 12

Blood pressure is highest in the

Accepted Answer

A)  elastic arteries. 
B)  arterioles. 
C)  veins. 
D)  capillaries. 
A)  elastic arteries. 
B)  arterioles. 
C)  veins. 
D)  capillaries.

Question 13

Use the diagram above to answer the following questions.
-Identify the letter that indicates the vessel that arises from the union of the left and right brachiocephalic veins.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 14

Describe the function of the fetal shunts from the pulmonary circuit.

Accepted Answer

The foramen ovale is a shunt between the

Question 15

Use the diagram above to answer the following questions.
-Identify the letter that indicates the longest vein in the body.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 16

The inferior vena cava ascends on the left side of the vertebral bodies and to the left of the abdominal aorta.

Accepted Answer

A) True 
 B)False

Question 17

________ channels, also known as arterial anastomoses, provide alternative pathways of blood to joints.

Accepted Answer

The answer of ________ channels, also known as arterial anastomoses,...

Question 18

The layer of blood vessels innervated by sympathetic vasomotor fibers is called the

Accepted Answer

A)  tunica intima 
B)  subendothelial layer 
C)  tunica media 
D)  tunica externa 
E)  vasa vasorum 
A)  tunica intima 
B)  subendothelial layer 
C)  tunica media 
D)  tunica externa 
E)  vasa vasorum

Question 19

The saphenous vein is not paired with an artery with the same name.

Accepted Answer

A) True 
 B)False

Question 20

Why do the arteries and veins of the pulmonary circuit have thinner walls than arteries and veins of the systemic circuit?

Accepted Answer

A)  The pressure against the walls of the vessels is much lower in the pulmonary circuit than the systemic circuit. 
B)  The pulmonary arteries lack a tunica externa. 
C)  The systemic arteries have fewer elastic fibers than the pulmonary arteries. 
D)  The tunica media is significantly thinner in the systemic circuit than the pulmonary circuit. 
A)  The pressure against the walls of the vessels is much lower in the pulmonary circuit than the systemic circuit. 
B)  The pulmonary arteries lack a tunica externa. 
C)  The systemic arteries have fewer elastic fibers than the pulmonary arteries. 
D)  The tunica media is significantly thinner in the systemic circuit than the pulmonary circuit.

Exam 20: Blood Vessels

Structure that regulates blood flow into true capillaries.

Use the diagram above to answer the following questions. -Identify the letter that indicates the vessel that is easy to find in most people and is used to obtain blood.

Most systemic venous blood is both oxygen-poor and nutrient-poor. However, systemic venous blood that is nutrient-rich occurs in

The internal iliac arteries supply blood both to the pelvic organs and to the lower limbs.

Of the following, the only unpaired dural sinus is the

Which branch (or branches) of the abdominal aorta supplies the stomach?

The elastic arteries are the largest arteries near the heart.

A dural sinus that contains a major artery and some cranial nerves within it is the

Use the diagram above to answer the following questions. -Identify the letter that indicates the layer common to all blood vessels regardless of their size.

Use the diagram above to answer the following questions. -Identify the letter that indicates the renal artery.

A blood vessel that ranges from 0.3 mm to about 1 cm in diameter and has a large tunica media relative to the size of the lumen is

Blood pressure is highest in the

Use the diagram above to answer the following questions. -Identify the letter that indicates the vessel that arises from the union of the left and right brachiocephalic veins.

Describe the function of the fetal shunts from the pulmonary circuit.

Use the diagram above to answer the following questions. -Identify the letter that indicates the longest vein in the body.

The inferior vena cava ascends on the left side of the vertebral bodies and to the left of the abdominal aorta.

________ channels, also known as arterial anastomoses, provide alternative pathways of blood to joints.

The layer of blood vessels innervated by sympathetic vasomotor fibers is called the

The saphenous vein is not paired with an artery with the same name.

Why do the arteries and veins of the pulmonary circuit have thinner walls than arteries and veins of the systemic circuit?

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

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