Chapter 20—Blood Vessels

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General Characteristics

Arteries and Capillaries

Capillaries and Veins

Systemic Arteries

Systemic Veins

FINAL ROUND

General Characteristics: $100 Question

Most blood vessel walls have ____ layers.

a. 1

b. 4

c. 3

d. 2

BACK TO GAME

ANSWER

General Characteristics: $100 Answer

Most blood vessel walls have ____ layers.

a. 1

b. 4

c. 3

d. 2

BACK TO GAME

General Characteristics: $200 Question

Vasoconstriction and vasodilation are mediated by smooth muscle in what layer of the blood vessel?

a. tunica intima

b. tunica media

c. tunica externa d. none of the above

BACK TO GAME

ANSWER

General Characteristics: $200 Answer

Vasoconstriction and vasodilation are mediated by smooth muscle in what layer of the blood vessel?

a. tunica intima

b. tunica media

c. tunica externa d. none of the above

BACK TO GAME

General Characteristics: $300 Question

The tunica externa contains elastic and collagen fibers that run longitudinally. These fibers ________.

a. protect the vessel b. increase the strength of the walls c. anchor the vessel to surrounding

structures d. all of the above

BACK TO GAME

ANSWER

General Characteristics: $300 Answer

The tunica externa contains elastic and collagen fibers that run longitudinally. These fibers ________.

a. protect the vessel b. increase the strength of the walls c. anchor the vessel to surrounding

structures d. all of the above

BACK TO GAME

General Characteristics: $400 Question

There are approximately __________ km of blood vessels in an average adult.

a. 250

b. 100,000 c. 1,000,000

d. 6 BACK TO GAME

ANSWER

General Characteristics: $400 Answer

There are approximately __________ km of blood vessels in an average adult.

a. 250

b. 100,000 c. 1,000,000

d. 6 BACK TO GAME

General Characteristics: $500 Question

The realization that blood is pumped in a circle throughout the body dates back to __________.

a. the 1990s

b. the 1620s

c. the 1880s d. the 1500s

BACK TO GAME

ANSWER

General Characteristics: $500 Answer

The realization that blood is pumped in a circle throughout the body dates back to __________.

a. the 1990s

b. the 1620s

c. the 1880s d. the 1500s

BACK TO GAME

Arteries and Capillaries: $100 Question

The largest arteries (those closest to the heart) are classified as __________.

a. internal

b. cardiac c. elastic

d. muscular BACK TO GAME

ANSWER

Arteries and Capillaries: $100 Answer

The largest arteries (those closest to the heart) are classified as __________.

a. internal

b. cardiac c. elastic

d. muscular BACK TO GAME

Arteries and Capillaries: $200 Question

Which of the following is not a feature of elastic arteries?

a. They dampen the pressure produced by the heart.

b. They aid in propelling blood forward. c. They allow exchange of oxygen with

tissues. d. Their large lumens allow for low-

resistance conduits. BACK TO GAME

ANSWER

Arteries and Capillaries: $200 Answer

Which of the following is not a feature of elastic arteries?

a. They dampen the pressure produced by the heart.

b. They aid in propelling blood forward. c. They allow exchange of oxygen with

tissues. d. Their large lumens allow for low-

resistance conduits. BACK TO GAME

Arteries and Capillaries: $300 Question

Muscular arteries typically range between __________ in diameter.

a. 1 cm and 0.3 mm

b. 100 mm and 0.03 mm c. 1 mm and 0.01 mm

d. 10 cm and 5 cm BACK TO GAME

ANSWER

Arteries and Capillaries: $300 Answer

Muscular arteries typically range between __________ in diameter.

a. 1 cm and 0.3 mm

b. 100 mm and 0.03 mm c. 1 mm and 0.01 mm

d. 10 cm and 5 cm BACK TO GAME

Arteries and Capillaries: $400 Question

Sympathetic innervation and local factors help control the __________ of arterioles.

a. length

b. diameter c. strength

d. direction BACK TO GAME

ANSWER

Arteries and Capillaries: $400 Answer

Sympathetic innervation and local factors help control the __________ of arterioles.

a. length

b. diameter c. strength

d. direction BACK TO GAME

Arteries and Capillaries: $500 Question

The twisted course and large diameter of sinusoids ensure that the blood within it ______.

a. becomes mixed

b. can pool and clot

c. slows down to exchange material d. has a chance to cool down

BACK TO GAME

ANSWER

Arteries and Capillaries: $500 Answer

The twisted course and large diameter of sinusoids ensure that the blood within it ______.

a. becomes mixed

b. can pool and clot

c. slows down to exchange material d. has a chance to cool down

BACK TO GAME

Capillaries and Veins: $100 Question

The flow of blood through a capillary bed is regulated by __________.

a. little blood-flow gnomes

b. precapillary sphincters c. terminal arterioles

d. elastic arteries BACK TO GAME

ANSWER

Capillaries and Veins: $100 Answer

The flow of blood through a capillary bed is regulated by __________.

a. little blood-flow gnomes

b. precapillary sphincters c. terminal arterioles

d. elastic arteries BACK TO GAME

Capillaries and Veins: $200 Question Which of the following is true about the blood-brain barrier?

a. Its capillaries are continuous with complete tight junctions.

b. It allows most molecules to diffuse through its cells.

c. Uncharged and lipid soluble particles cannot pass through freely.

d. Vital molecules use general transport mechanisms to pass through. BACK TO GAME

ANSWER

Capillaries and Veins: $200 Answer Which of the following is true about the blood-brain barrier?

a. Its capillaries are continuous with complete tight junctions.

b. It allows most molecules to diffuse through its cells.

c. Uncharged and lipid soluble particles cannot pass through freely.

d. Vital molecules use general transport mechanisms to pass through. BACK TO GAME

Capillaries and Veins: $300 Question

Systemic veins carry __________.

a. oxygen-rich blood away from the heart

b. oxygen-poor blood toward the heart c. oxygen-poor blood away from the

lungs d. oxygen-rich blood toward

the lungs BACK TO GAME

ANSWER

Capillaries and Veins: $300 Answer

Systemic veins carry __________.

a. oxygen-rich blood away from the heart

b. oxygen-poor blood toward the heart c. oxygen-poor blood away from the

lungs d. oxygen-rich blood toward

the lungs BACK TO GAME

Capillaries and Veins: $400 Question

Blood only flows toward the heart due in part to the _______ in veins.

a. sinusoids

b. valves c. elastic tissue

d. b and c above BACK TO GAME

ANSWER

Capillaries and Veins: $400 Answer

Blood only flows toward the heart due in part to the _______ in veins.

a. sinusoids

b. valves c. elastic tissue

d. b and c above BACK TO GAME

Capillaries and Veins: $500 Question

Varicose veins are most common in the __________.

a. popliteal vein

b. anterior tibial vein c. femoral vein

d. great saphenous vein BACK TO GAME

ANSWER

Capillaries and Veins: $500 Answer

Varicose veins are most common in the __________.

a. popliteal vein

b. anterior tibial vein c. femoral vein

d. great saphenous vein BACK TO GAME

Systemic Arteries: $100 Question

The aortic arch usually has __________ arteries branching from it.

a. 2

b. 3 c. 4

d. 5 BACK TO GAME

ANSWER

Systemic Arteries: $100 Answer

The aortic arch usually has __________ arteries branching from it.

a. 2

b. 3 c. 4

d. 5 BACK TO GAME

Systemic Arteries: $200 Question

The descending aorta is called the __________ above the diaphragm and the __________ below it.

a. thoracic aorta; abdominal aorta

b. abdominal aorta; thoracic aorta

c. upper aorta; lower aorta

d. superior aorta; inferior aorta BACK TO GAME

ANSWER

Systemic Arteries: $200 Answer

The descending aorta is called the __________ above the diaphragm and the __________ below it.

a. thoracic aorta; abdominal aorta

b. abdominal aorta; thoracic aorta

c. upper aorta; lower aorta

d. superior aorta; inferior aorta BACK TO GAME

Systemic Arteries: $300 Question

Most of the intestines are supplied with blood by the __________.

a. right gastric artery

b. splenic artery c. superior mesenteric artery

d. inferior mesenteric artery BACK TO GAME

ANSWER

Systemic Arteries: $300 Answer

Most of the intestines are supplied with blood by the __________.

a. right gastric artery

b. splenic artery c. superior mesenteric artery

d. inferior mesenteric artery BACK TO GAME

Systemic Arteries: $400 Question

The axillary artery becomes the brachial artery when it passes what structure?

a. the lateral boarder of the scapula

b. the head of the humerus c. the inferior border of teres major

d. the superior border of teres minor

BACK TO GAME

ANSWER

Systemic Arteries: $400 Answer

The axillary artery becomes the brachial artery when it passes what structure?

a. the lateral boarder of the scapula

b. the head of the humerus c. the inferior border of teres major

d. the superior border of teres minor

BACK TO GAME

Systemic Arteries: $500 Question

The femoral artery becomes the popliteal artery after passing through what structure?

a. the inguinal canal b. the lateral femoral condyle c. the adductor hiatus d. the inferior border of adductor

brevis BACK TO GAME

ANSWER

Systemic Arteries: $500 Answer

The femoral artery becomes the popliteal artery after passing through what structure?

a. the inguinal canal b. the lateral femoral condyle c. the adductor hiatus d. the inferior border of adductor

brevis BACK TO GAME

Systemic Veins: $100 Question

Which of the following is true about the superior vena cava?

a. It drains all regions of the body below the diaphragm.

b. It is the union of the left and right brachiocephalic veins.

c. It drains into the left atrium. d. It is a continuation of the inferior

vena cava. BACK TO GAME

ANSWER

Systemic Veins: $100 Answer

Which of the following is true about the superior vena cava?

a. It drains all regions of the body below the diaphragm.

b. It is the union of the left and right brachiocephalic veins.

c. It drains into the left atrium. d. It is a continuation of the inferior

vena cava. BACK TO GAME

Systemic Veins: $200 Question

Most veins of the brain drain blood into the ________.

a. superior vena cava

b. dural sinuses c. circle of Willis

d. lateral cerebral vein BACK TO GAME

ANSWER

Systemic Veins: $200 Answer

Most veins of the brain drain blood into the ________.

a. superior vena cava

b. dural sinuses c. circle of Willis

d. lateral cerebral vein BACK TO GAME

Systemic Veins: $300 Question

Superficial veins __________.

a. are deep to superficial arteries

b. lie just under the skin

c. often accompany arteries

d. are actually two parallel veins

BACK TO GAME

ANSWER

Systemic Veins: $300 Answer

Superficial veins __________.

a. are deep to superficial arteries

b. lie just under the skin

c. often accompany arteries

d. are actually two parallel veins

BACK TO GAME

Systemic Veins: $400 Question

The right gonadal vein drains into the inferior vena cava. Where does the left gonadal vein drain?

a. inferior vena cava

b. left renal vein

c. superior vena cava d. hepatic portal vein

BACK TO GAME

ANSWER

Systemic Veins: $400 Answer

The right gonadal vein drains into the inferior vena cava. Where does the left gonadal vein drain?

a. inferior vena cava

b. left renal vein

c. superior vena cava d. hepatic portal vein

BACK TO GAME

BACK TO GAME

ANSWER

Systemic Veins: $500 Question

The hepatic portal vein delivers nutrient-rich blood to the __________.

a. inferior vena cava

b. hepatic portal artery c. liver sinusoids

d. peripheral tissues so the nutrients can be used

Systemic Veins: $500 Answer

The hepatic portal vein delivers nutrient-rich blood to the __________.

a. inferior vena cava

b. hepatic portal artery c. liver sinusoids

d. peripheral tissues so the nutrients can be used

BACK TO GAME

FINAL ROUND Question

The most important aspect of the aging vascular system is the accumulation of __________.

a. plaque due to high estrogen b. plaque through atherosclerosis c. venous blood in the liver d. oxygen-poor blood in the

lungs BACK TO GAME

ANSWER

FINAL ROUND Answer

The most important aspect of the aging vascular system is the accumulation of __________.

a. plaque due to high estrogen b. plaque through atherosclerosis c. venous blood in the liver d. oxygen-poor blood in the

lungs BACK TO GAME