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A&P test #2 > Chapter 12 > Flashcards

Chapter 12 Flashcards

1
Q

_______ are tubes that deliver blood to the tissues.
a. Veins
b. Blood vessels
c. Lymph vessels
d. Venules

A

b. Blood vessels

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2
Q

_______ carry blood from the ventricles of the heart to the tissues and
organs of the body.
a. Capillaries
b. Veins
c. Arterioles
d. Arteries

A

d. Arteries

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3
Q

When plasma enters the tissues, it is called _______ fluid.
a. tissue
b. blood
c. interstitial
d. both A and C

A

d. both A and C

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4
Q

_______ are the smallest branches of an artery and are important in
regulating blood pressure.
a. Venules
b. Capillaries
c. Arterioles
d. Micro-arteries

A

c. Arterioles

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5
Q

_______ permit materials to be exchanged between the blood and tissues.
a. Capillaries
b. Veins
c. Arterioles
d. Arteries

A

a. Capillaries

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6
Q

The _______ is a smooth muscle cell that regulates the blood supply to each organ and its subdivisions.
a. endothelium
b. tunica media
c. lymph node
d. precapillary sphincter

A

d. precapillary sphincter

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7
Q

Arterioles and venules are connected by _______ in the liver, spleen, and bone marrow.
a. tunics
b. sinusoids
c. capillaries
d. hepatic veins

A

b. sinusoids

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8
Q

The _______ circulation connects the heart and all the organs and tissues.
a. pulmonary
b. systemic
c. artery
d. lymphatic

A

b. systemic

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9
Q

The pulmonary _______ deliver blood to the lungs.
a. veins
b. venules
c. arteries
d. capillaries

A

c. arteries

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10
Q

The left ventricle pumps blood into the largest artery in the body, the _______.
a. femoral artery
b. radial artery
c. carotid
d. aorta

A

d. aorta

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11
Q

The aortic arch curves from the ________ and makes a U-turn.
a. left ventricle
b. abdominal aorta
c. ascending aorta
d. thoracic aorta

A

c. ascending aorta

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12
Q

The _______ aorta is the region of the aorta below the diaphragm.
a. ascending
b. abdominal
c. thoracic
d. descending

A

d. descending

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13
Q

The _______ receives blood from the upper portions of the body.
a. inferior vena cava
b. superior vena cava
c. carotid vein
d. descending aorta

A

b. superior vena cava

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14
Q

The two _______ pass through the foramen magnum and join on the
ventral surface of the brain stem.
a. carotid arteries
b. basilar arteries
c. jugular veins
d. vertebral arteries

A

d. vertebral arteries

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15
Q

The _______ delivers blood from the organs of the digestive system to the liver.
a. hepatic portal vein
b. basilar artery
c. radial artery
d. aortic arch

A

a. hepatic portal vein

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16
Q

Blood delivered to the intestine by the _______ enters capillaries in the
intestinal wall.
a. mesenteric arteries
b. venous sinuses
c. portal veins
d. carotid arteries

A

a. mesenteric arteries

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17
Q

Which of the following veins carries blood rich in oxygen?
a. Jugular
b. Coronary
c. Pulmonary
d. None of the preceding answers is correct;
veins always carry blood poor in oxygen

A

c. Pulmonary

18
Q

Blood pressure can be calculated by multiplying _______.
a. blood flow × blood viscosity
b. blood flow × peripheral resistance
c. pulmonary pressure × aortic pressure
d. blood volume × blood flow

A

b. blood flow × peripheral resistance

19
Q

Low blood pressure stimulates the kidneys to release the enzyme _______,which acts on the plasma protein _______.
a. aldosterone; angiotensin
b. angiotensin II; renin estrogen
c. renin; angiotensinogen
d. renin; angiotensin III

A

c. renin; angiotensinogen

20
Q

Important function(s) of the lymphatic system is/are _______.
a. to maintain fluid balance
b. to defend the body against disease by
producing lymphocytes
c. to absorb lipids from the intestine
d. all of the preceding answers are correct

A

d. all of the preceding answers are correct

21
Q

_______ conduct blood back toward the heart.
a. Arteries
b. Arterioles
c. Capillaries
d. Veins

A

d. Veins

22
Q

From capillaries, blood passes into _______.
a. arterioles
b. venules
c. arteries
d. large veins

A

b. venules

23
Q

The wall of an artery or vein has three layers, or _______.
a. tunics
b. capillaries
c. sphincters
d. metarterioles

A

a. tunics

24
Q

Most _______ have valves that permit the flow of blood toward the heart,
even against the force of gravity.
a. arteries
b. sinuses
c. veins
d. capillaries

A

c. veins

25
Q

_______ in the wall of an arteriole allows it to constrict or relax, changing
its radius.
a. Endothelium
b. Smooth muscle
c. Cardiac muscle
d. Connective tissue

A

b. Smooth muscle

26
Q

_______ are small vessels that directly link arterioles with venules.
a. Arteries
b. Veins
c. Metarterioles
d. Capillaries

A

c. Metarterioles

27
Q

Blood flows through a continuous network of blood vessels that forms a double circuit; the _______ circulation connects the heart and lungs.
a. pulmonary
b. systemic
c. aortic
d. cardiac

A

a. pulmonary

28
Q

The pulmonary _______ return the blood, rich in oxygen, to the left
atrium.
a. arteries
b. capillaries
c. veins
d. arterioles

A

c. veins

29
Q

The sequence of blood flow through the pulmonary circulation is
_______.
a. right atrium → left atrium → right
ventricle → pulmonary artery →
pulmonary capillaries → pulmonary veins
b. right ventricle → left atrium → right
atrium → pulmonary artery → pulmonary
capillaries → pulmonary veins
c. right atrium → right ventricle →
pulmonary artery → pulmonary
capillaries → pulmonary veins → left
atrium
d. left atrium → right atrium → right
ventricle → pulmonary capillaries →
pulmonary veins → pulmonary artery

A

c. right atrium → right ventricle →
pulmonary artery → pulmonary
capillaries → pulmonary veins → left
atrium

30
Q

The _______ passes through the chest cavity.
a. aortic arch
b. thoracic aorta
c. ascending aorta
d. abdominal aorta

A

b. thoracic aorta

31
Q

The _______ receives blood returning from below the level of the
diaphragm.
a. inferior vena cava
b. superior vena cava
c. carotid arteries
d. internal jugular

A

a. inferior vena cava

32
Q

Blood from the venous sinuses empties into the _______ at both sides of
the neck.
a. carotid arteries
b. brachiocephalic veins
c. internal jugular veins
d. basilar artery

A

c. internal jugular veins

33
Q

The hepatic portal vein delivers blood to the _______.
a. intestine
b. inferior vena cava
c. kidney
d. liver

A

d. liver

34
Q

Blood returning from the brain passes through the brachiocephalic vein
and then passes into the _______.
a. carotid arteries
b. superior vena cava
c. internal jugular veins
d. circle of Willis

A

b. superior vena cava

35
Q

Blood pressure depends on _______.
a. blood flow × blood viscosity
b. blood flow × peripheral resistance
c. pulmonary pressure × aortic pressure
d. blood volume × blood flow

A

b. blood flow × peripheral resistance

36
Q

_______ is an increase in blood vessel diameter that decreases resistance
to blood flow.
a. Vasodilation
b. Blood pressure
c. Vasoconstriction
d. Viscosity

A

a. Vasodilation

37
Q

Baroreceptors _______.
a. are sensitive to changes in blood pressure
b. respond to changes in viscosity
c. are venous receptors that maintain
pressure in veins
d. produce aldosterone

A

a. are sensitive to changes in blood pressure

38
Q

Angiotensin II acts indirectly to maintain blood pressure by increasing the
synthesis and release of the hormone _______ by the adrenal glands.
a. renin
b. aldosterone
c. fibrinogen
d. norepinephrine

A

b. aldosterone

39
Q

Lymphatic vessels from all over the body, except the right upper quadrant,
deliver lymph to the _______.
a. carotid arteries
b. superior vena cava
c. thoracic duct
d. right lymphatic duct

A

c. thoracic duct

40
Q

The _______ is a pinkish-gray lymphatic organ located in the upper
thorax. It plays a key role in the body’s immune processes.
a. thymus gland
b. thyroid
c. liver
d. spleen

A

a. thymus gland

A&P test #2 (9 decks)

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