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Ch. 19 Blood Vessels

Total questions: 141

Worksheet time: 2hrs 18mins

Name
Class
Date
1.

Which layer of the blood vessel wall receives innervation from the autonomic nervous system?

a)

Tunica Media (SNS)

b)

Tunica Intima

c)

Tunica externa

d)

Endomesium

2.

Select the correct statement regarding blood vessel anatomy:

a)

The tunica media of veins is thicker than the corresponding layers in arteries.

b)

The tunica externa forms a smooth surface that minimizes friction from blood flow.

c)

The walls of all blood vessels have three distinct layers that surround the lumen.

d)

The tunica intima contains the endothelium that lines the lumen of all vessels.

3.

Which type of artery is correctly paired with its functional descriptor?

a)

Muscular artery; distributing artery

b)

Elastic artery; resistance vessel

c)

Muscular artery; conducting artery

d)

Elastic artery; exchange vessel

4.

Which layer is responsible for maintaining blood pressure and circulation?

a)

Tunica Intima

b)

Plasma

c)

Tunica Media

d)

Tunica Externa

5.

Where are the thick-walled elastic arteries located?

a)

near the heart, aorta and its major branches

b)

in the venules

c)

Kidneys

d)

Distal to the heart, pulmonary trunk

6.

What is another name for elastic arteries?

a)

Veins

b)

conducting arteries

c)

Muscular arteries

d)

arterioles

7.

What do elastic arteries distally give way to?

a)

Capillaries

b)

Arterioles

c)

Muscular Arteries

d)

Elastic Arteries

8.

What is the job of muscular arteries?

a)

resistance vessels

b)

deliver blood to specific organs

c)

deliver nutrients to specific organs

d)

distribute oxygen

9.

What is another name for muscular arteries?

a)

Distributing arteries

b)

conduction

c)

resistance vessels

d)

exchange site

10.

What is the diameter range of muscular arteries?

a)

8-10 mm

b)

0.8-3 mm

c)

a little finger to lead of a pencil

d)

a thumb to a garden hose.

11.

Are muscular arteries more active in vasoconstriction or vasodialation?

a)

Vasoconstriction

b)

Vasodialation

12.

Arterioles are the smallest arteries (T/F)

a)

True

b)

False

13.

What is another name for arterioles?

a)

Resistance Vessels

b)

Muscular arteries

c)

Veins

d)

Arteries

14.

What are the exchange vessels?

a)

Capillaries

b)

Arteries

c)

Veins

d)

Arterioles

15.

What are the two layers of capillaries?

a)

Tunica media and Tunica Intima

b)

Tunica intima and basement membrane

c)

Tunica externa and basement membrane

d)

Tunica Media and basement membrane

16.

What are Pericytes?

a)

spider-shaped contractile stem cells that help stabilize capillary walls, control permeability, and can generate new vessels or scar tissue.

b)

WBC's

c)

Invader eating cells

d)

RBC's

17.

What are the three types of capillaries?

a)

Continuous, fenestrated and sinusoid

b)

Continuous, Tunica intima, plasma membrane

c)

Fenestrated, tunica media, sinusoid

18.

What type of junctions join endothelial cells together?

a)

Gap Junctions

b)

Desmones junctions

c)

Tight junctions

19.

What are capillary beds?

a)

Microcirculation

b)

Interweaving networks of capillaries

c)

Interweaving arteries

d)

Interweaving veins

20.

What is microcirculation?

a)

interweaving networks of capillaries

b)

an arteriole that divides into 10-20 capillaries that form the capillary bed.

c)

the flow of blood from an arteriole to a venule through a capillary bed

d)

directly connects terminal arteriole and postcapillary venule so that blood can bypass the true capillaries.

21.

What is a terminal arteriole?

a)

interweaving networks of capillaries

b)

an arteriole that divides into 10-20 capillaries that form the capillary bed.

c)

the flow of blood from an arteriole to a venule through a capillary bed

d)

directly connects terminal arteriole and postcapillary venule so that blood can bypass the true capillaries.

22.

What is a vascular shunt?

a)

interweaving networks of capillaries

b)

an arteriole that divides into 10-20 capillaries that form the capillary bed.

c)

the flow of blood from an arteriole to a venule through a capillary bed

d)

directly connects terminal arteriole and postcapillary venule so that blood can bypass the true capillaries.

23.

Where do terminal arterioles drain?

a)

post capillary venules

b)

Veins

24.

What type of blood do arteries usually carry?

a)

Oxygenated

b)

Deoxygenated

25.

Which blood vessels take blood to the heart

a)

Arteries

b)

Veins

c)

capillaries

d)

arterioles

26.

Which blood vessels take blood away from the heart

a)

Arteries

b)

Veins

c)

capillaries

d)

arterioles

27.

Which blood vessel has valves to prevent the back-flow of blood?

a)

Arteries

b)

Veins

c)

capillaries

d)

arterioles

28.

Directly connects terminal arteriole and postcapillary venule so that blood can bypass the true capillaries.

a)

Arteries

b)

Veins

c)

capillaries

d)

Vascular shunt

29.

valve to regulate blood flow into true capillaries

a)

Arteries

b)

Veins

c)

Precapillary sphincters

d)

Vascular shunt

30.

least permeable and most common

a)

Arteries

b)

Continuous capillaries

c)

Precapillary sphincters

d)

Vascular shunt

31.

have pores in vessel wall; found in kidneys, intestines, and endocrine glands

a)

Fenestrated capillaries

b)

Continuous capillaries

c)

Precapillary sphincters

d)

Vascular shunt

32.

most permeable and occur in limited locations (bone marrow, spleen, adrenal medulla)

a)

Fenestrated capillaries

b)

Continuous capillaries

c)

Precapillary sphincters

d)

Sinusoid Capillaries

33.

What forms when capillaries unite?

a)

Fenestrated capillaries

b)

Continuous capillaries

c)

Precapillary sphincters

d)

Venules

34.

What is formed when venules join?

a)

Fenestrated capillaries

b)

Continuous capillaries

c)

Veins

d)

Venules

35.

What are the largest veins?

a)

Superior and Inferior vena cava

b)

Continuous capillaries

c)

Veins

d)

Venules

36.

prevent backflow of blood in veins; most abundant in veins of limbs, resemble semilunar valves of the heart.

a)

Superior and Inferior vena cava

b)

Continuous capillaries

c)

Venous valves

d)

Venules

37.

Flattened veins with extremely thin walls

Composed only of endothelium

a)

Venous sinuses

b)

Continuous capillaries

c)

Venous valves

d)

Venules

38.

volume of blood flowing through a vessel, organ, or entire circulation in given period (ml/min).


Equivalent to cardiac output (CO)

a)

Venous sinuses

b)

Blood flow

c)

Venous valves

d)

Venules

39.

the force per unit area exerted on a vessel by the contained blood. (mm HG)

a)

Venous sinuses

b)

Blood flow

c)

Venous valves

d)

Blood pressure

40.

the differences in blood pressure in the vascular system, provides the driving force that keeps the blood moving always from an area of high pressure to an area of low pressure.

a)

Venous sinuses

b)

Blood flow

c)

Hydrostatic pressure gradient

d)

Blood pressure

41.

opposition to flow and is a measure of the amount of friction blood encounters as it passes through the vessels

a)

Resistance

b)

Blood flow

c)

Hydrostatic pressure gradient

d)

Blood pressure

42.

blood viscosity, vessel length, vessel diameter

a)

Resistance

b)

Three sources of resistance

c)

Hydrostatic pressure gradient

d)

Blood pressure

43.

internal resistance to flow that occurs in all fluids. Related to a thickness or stickiness of a fluid.

a)

Resistance

b)

Viscosity

c)

Hydrostatic pressure gradient

d)

Blood pressure

44.

Irregular fluid motion where blood from the different laminae mixes.

a)

Resistance

b)

Viscosity

c)

Turbulent flow

d)

Blood pressure

45.

Which factor is physiologically the most adjustable determinant of resistance in a vessel?

a)

Resistance

b)

Viscosity

c)

Blood vessel diameter

d)

Blood pressure

46.

Arterial blood pressure reflects which two factors:

a)

Resistance

b)

The volume of the blood forced into them at any time.

c)

Blood vessel diameter

d)

How much the elastic arteries close the heart can stretch (compliance or distensibility)

47.

Blood pressure in the arteries during contraction of the ventricles. (120 mm Hg)

a)

diastole

b)

Diastolic pressure

c)

systole

d)

Systolic pressure

48.

Aortic pressure at its lowest level. (70-80 mmHg)

a)

diastole

b)

Diastolic pressure

c)

systole

d)

Systolic pressure

49.

difference between systolic and diastolic pressure

a)

diastole

b)

Diastolic pressure

c)

Heart Rate

d)

Pulse pressure

50.

pressure that propels blood to tissues

a)

Mean Arterial Pressure (MAP)

b)

Diastolic pressure

c)

Heart Rate

d)

Pulse pressure

51.

3 important adaptations for venous return?

a)

Mean Arterial Pressure (MAP)

b)

Muscular pump-skeletal muscle activity.

c)

Respiratory pump-breathing

d)

Sympathetic venoconstriction-reduces the volume of blood in the veins

52.

Where in the systemic circuit does the steepest drop in blood pressure occur?

a)

Arterioles-they have the greatest resistance

b)

Muscular pump-skeletal muscle activity.

c)

Respiratory pump-breathing

d)

Sympathetic venoconstriction-reduces the volume of blood in the veins

53.

Which term refers to the lowest arterial blood pressure reached during the cardiac cycle?

a)

diastole

b)

Diastolic pressure

c)

systole

d)

Systolic pressure

54.

neural controls and hormonal controls alter BP by changing TPR and CO.

a)

diastole

b)

Diastolic pressure

c)

Short term regulation

d)

Systolic pressure

55.

alters blood volume via the kidneys

a)

Long term regulation

b)

Diastolic pressure

c)

Short term regulation

d)

Systolic pressure

56.

State of moderate constriction that varies from organ to organ

a)

Long term regulation

b)

Diastolic pressure

c)

Short term regulation

d)

Vasomotor tone

57.

Cells that are sensitive to blood pressure changes.

a)

Long term regulation

b)

Baroreceptors

c)

Short term regulation

d)

Vasomotor tone

58.

Mechanisms that activate baroreceptors

a)

Mean Arterial Pressure (MAP)

b)

Decreased cardiac output

c)

Vasodialation

d)

Sympathetic venoconstriction-reduces the volume of blood in the veins

59.

Baroreceptors that monitor BP to ensure enough blood to brain

a)

Long term regulation

b)

Carotid Sinus Reflux

c)

Short term regulation

d)

Vasomotor tone

60.

maintains BP in systemic circuit

a)

Long term regulation

b)

Carotid Sinus Reflux

c)

Aortic reflex

d)

Vasomotor tone

61.

Chemoreceptors play a larger role in....

a)

Long term regulation

b)

Regulating respiratory rate

c)

Aortic reflex

d)

Vasomotor tone

62.

epinephrine and norepinephrine. Enhance sympathetic response by increasing CO and promoting vasoconstriction.

a)

Long term regulation

b)

adrenal medulla hormones

c)

Short term regulation

d)

Systolic pressure

63.

stimulates intense vasoconstriction promoting rapid rise in BP. Stimulates release of aldosterone and ADH.

a)

Atrial natriuretic peptide (ANP)

b)

adrenal medulla hormones

c)

Angiotensin II

d)

Angiotensinogen

64.

secreted by atria, leads to reduction in blood volume and blood pressure. Generalized vasodialation

a)

Atrial natriuretic peptide (ANP)

b)

adrenal medulla hormones

c)

Angiotensin II

d)

Angiotensinogen

65.

alters blood volume independently of hormones

a)

Atrial natriuretic peptide (ANP)

b)

Direct renal mechanism

c)

Angiotensin II

d)

Angiotensinogen

66.

Renin is released by the kidneys. Renin splits angiotensinogen converting it to angiotensin I. Angiotensin converting enzyme (ACE) converts angiotensin I to angiotensin II.

a)

Atrial natriuretic peptide (ANP)

b)

Direct renal mechanism

c)

renin-angiotensin-aldosterone system

d)

Angiotensinogen

67.

Where is ACE found?

a)

Capillary endothelium in various body issues, particularly the lungs.

b)

Kidneys

c)

GI tract

d)

Heart

68.

any condition in which blood vessels are inadequately filled and blood cannot circulate normally

a)

circulatory shock

b)

hypovolemic shock

c)

vascular shock

d)

cardiogenic shock

69.

shock resulting from large scale blood or fluid loss

a)

circulatory shock

b)

hypovolemic shock

c)

vascular shock

d)

cardiogenic shock

70.

poor circulation resulting from extreme vasodilation

a)

circulatory shock

b)

hypovolemic shock

c)

vascular shock

d)

cardiogenic shock

71.

Shock caused by inadequate function of the heart, or pump failure.

a)

circulatory shock

b)

hypovolemic shock

c)

vascular shock

d)

cardiogenic shock

72.

Three types of vascular shock:

a)

circulatory shock

b)

Neurogenic shock

c)

Anaphylactic shock

d)

Septic shock

73.

Which hormone decreases blood pressure?

a)

Atrial natriuretic peptide (ANP)

b)

Direct renal mechanism

c)

renin-angiotensin-aldosterone system

d)

Angiotensinogen

74.

Blood flow through body tissues

a)

circulatory shock

b)

tissue perfusion

c)

blood volume

d)

cardiac output

75.

Acting automatically on the smooth muscle of arterioles that feed any given tissue.

a)

Intrinsic controls (autoregulation)

b)

tissue perfusion

c)

blood volume

d)

cardiac output

76.

Acting on arteriolar smooth muscle to maintain blood pressure.

a)

Intrinsic controls (autoregulation)

b)

tissue perfusion

c)

Extrinsic controls

d)

cardiac output

77.

Extrinsic controls act via....

a)

Intrinsic controls (autoregulation)

b)

endocrine system

c)

nerves (sympathetic nervous system)

d)

hormones of the nervous system

78.

Intrinsic controls...

a)

control entirely from within the tissue or organ

b)

use paracrines or properties of muscle tissue

c)

are known as autoregulation or local control

d)

are hormones of the nervous system

79.

Extrinsic controls...

a)

control entirely from outside the tissue or organ

b)

use paracrines or properties of muscle tissue

c)

are known as autoregulation or local control

d)

uses nerves or hormones

80.

When the body is at rest, the brain receives what percent of total blood flow?

a)

13%

b)

4%

c)

20%

d)

24%

81.

When the body is at rest, the heart receives what percent of total blood flow?

a)

13%

b)

4%

c)

20%

d)

24%

82.

When the body is at rest, the kidneys receive what percent of total blood flow?

a)

13%

b)

4%

c)

20%

d)

24%

83.

When the body is at rest, the abdominal organs receive what percent of total blood flow?

a)

13%

b)

4%

c)

20%

d)

24%

84.

Intrinsic mechanisms for vasodialation include metabolic controls such as....

a)

Decreasing O2

b)

Increasing K+

c)

Increasing CO2

d)

Decreasing H+

e)

Increasing H+

85.

Metabolic controls include....

a)

prostaglandins

b)

ATP

c)

Adenosine

d)

nitric oxide

86.

Intrinsic mechanisms for vasoconstriction include myogenic controls such as....

a)

Stretch

b)

Increasing K+

c)

Increasing CO2

87.

Intrinsic mechanisms for vasoconstriction include metabolic controls such as....

a)

prostaglandins

b)

endothelins

c)

Adenosine

88.

Extrinsic mechanisms for both vasoconstriction and vasodialation include....

a)

neuronal controls

b)

hormonal controls

c)

MAP maintenance

d)

redistribution of blood during exercise and thermoregulation

e)

stretch

89.

Metabolic factors that regulate blood flow are...

a)

low O2 levels

b)

increased H+ and K+ levels

c)

adenosine and prostaglandins

d)

increased O2 levels

90.

Nitric Oxide (NO) is a powerful vasodilator, a major player in controlling local vasodilation, overrides sympathetic vasoconstriction.

a)

True

b)

False

91.

Released by the endothelium, endothelins are some of the most potent vasoconstrictors known.

a)

True

b)

False

92.

A long term autoregulatory mechanism may develop to enrich local blood flow, number of blood vessels increase and existing vessels enlarge.

a)

Angiogenesis

b)

Immune response

c)

Autoregulation

d)

Inflammation

93.

Capillary density and blood flow are greater in red (slow oxidative) fibers than in white (fast glycolytic) fibers.

a)

True

b)

False

94.

When the muscles become active, blood flow increases

a)

Angiogenesis

b)

hyperemia

c)

Autoregulation

d)

hypoemia

95.

Blood flow through the skin

a)

supplies nutrients to cells

b)

is called tissue perfusion

c)

helps regulate body temperature

d)

provides a blood reservoir

96.

The primary function of cutaneous circulation is to help maintain body temperature.

a)

True

b)

False

97.

In the pulmonary circulation, the autoregulatory mechanism is the opposite of what is seen in most tissues.

a)

True

b)

False

98.

The intermittent flow of blood through a capillary bed is due to....

a)

Vasomotion

b)

tissue perfusion

c)

blood volume

d)

cardiac output

99.

The on/off, constriction/dilation of arterioles, mostly in response to local chemical conditions (intrinsic control).

a)

Vasomotion

b)

tissue perfusion

c)

blood volume

d)

cardiac output

100.

The direction and amount of flow across capillary walls reflect the balance between two dynamic and opposing forces called....

a)

hydrostatic pressure

b)

Colloid osmotic pressure

c)

Blood pressure

d)

Mean arterial pressure

101.

The force exerted by a fluid pressing against a wall.

a)

Hydrostatic pressure

b)

Capillary hydrostatic pressure

c)

Interstitial fluid hydrostatic pressure

d)

Colloid Osmotic pressure

102.

Forces fluids through capillary walls, leaving behind cells and most proteins.

a)

Hydrostatic pressure

b)

Capillary hydrostatic pressure

c)

Interstitial fluid hydrostatic pressure

d)

Colloid Osmotic pressure

103.

Acts outside the capillaries and pushes fluid in, assumed to be zero.

a)

Hydrostatic pressure

b)

Capillary hydrostatic pressure

c)

Interstitial fluid hydrostatic pressure

d)

Colloid Osmotic pressure

104.

The force opposing hydrostatic pressure, created by large nondiffusible molecules, such as plasma proteins, that are unable to cross the capillary wall. Encourage osmosis.

a)

Hydrostatic pressure

b)

Capillary hydrostatic pressure

c)

Interstitial fluid hydrostatic pressure

d)

Colloid Osmotic pressure

105.

Calculation that considers all the forces acting at the capillary bed.

a)

Net filtration pressure (NFP)

b)

Capillary hydrostatic pressure

c)

Interstitial fluid hydrostatic pressure

d)

Colloid Osmotic pressure

106.

An abnormal increase in the amount of interstitial fluid.

a)

Edema

b)

Phagia

c)

NFP

d)

Dysphagia

107.

An increase in capillary hydrostatic pressure accelerates fluid loss from the blood.

a)

True

b)

False

108.

Increase interstitial fluid osmotic pressure can result from an inflammatory response.

a)

True

b)

False

109.

Decreased capillary colloid osmotic pressure hinders fluid return to the blood.

a)

True

b)

False

110.

Where is blood flow the slowest?

a)

Arterioles

b)

Venae Cavae

c)

Venules

d)

Capillaries

111.

Select the correct statement regarding bulk flow across capillary walls.

a)

More fluid enters the interstitial fluid than returns to the blood.

b)

Osmotic pressure in the interstitial fluid "pushes" fluid out of the capillary.

c)

Hydrostatic pressure in the capillary "Pulls" fluid into the capillary.

d)

Net filtration occurs at the venous end of a capillary.

112.

Three important differences between systemic arteries and veins are....

a)

Arteries run deep while veins are both deep and superficial.

b)

Venous pathways are more interconnected

c)

The brain and digestive systems have unique venous drainage systems.

d)

All of the above

113.

Match the following type of vessel with its structure: Elastic arteries.

a)

Smallest blood vessels with thin walls that allow exchange between blood and tissue cells

b)

Contain valves to assist blood flow back toward heart

c)

Thick-walled, large vessels near the heart that conduct blood continuously away from the heart

d)

Smaller vessels that distribute blood to specific body organs

114.

Identify the type of vessel indicated by D

a)

Post capillary venule

b)

Elastic arteries

c)

Capillaries

d)

Arterioles

115.

Identify the type of vessel indicated by F

a)

Large veins

b)

Elastic arteries

c)

Capillaries

d)

Arterioles

116.

Identify the artery and vein structure indicated by "C"

a)

Tunica externa

b)

Tunica Media

c)

External elastic membrane

d)

Tunica intima

117.

Match the following blood vessel layer with its description: Tunica intima.

a)

Composed largely of loosely woven collagen fibers that protect and reinforce the vessel

b)

Mostly circularly arranged smooth muscle cells and sheets of elastin

c)

Contains the endothelium (made of simple squamous epithelium)

d)

Blood-containing space in the center of the vessel

118.

__________ inhibits fibrinolysis by competing with plasminogen and may contribute to the formation of atherosclerotic plaques.

a)

Cholesterol

b)

Lipoprotein (a)

c)

Fibrinogen

d)

Foamy macrophages

119.

Which of the following blood vessels is the most susceptible to atherosclerosis?

a)

The pulmonary arteries

b)

The cerebral arteries

c)

The femoral arteries

d)

The aorta

120.

Up to 65% of the body's blood supply is found in __________.

a)

Arterioles

b)

Veins

c)

Capillaries

d)

Arteries

121.

Identify the vessel of the cerebral arterial circle (of Willis) indicated by “A.”

a)

Posterior cerebral artery

b)

Anterior cerebral artery

c)

Anterior communicating artery

d)

Posterior communicating artery

122.

Which of the following blood vessels do not contain intercellular clefts?

a)

Sinusoid Capillaries

b)

Continuous capillaries

c)

Fenestrated capillaries

d)

arterioles

123.

Identify the part of a special (mesenteric) capillary bed indicated by “B.”

a)

Terminal arteriole

b)

Precapillary sphincters

c)

Postcapillary venule

d)

Thoroughfare channel

124.

Identify the vessel of the cerebral arterial circle (of Willis) indicated by “B.”

a)

Posterior cerebral artery

b)

Anterior cerebral artery

c)

Anterior communicating artery

d)

Posterior communicating artery

125.

Identify the part of a special (mesenteric) capillary bed indicated by “D.”

a)

Terminal arteriole

b)

Precapillary sphincters

c)

Postcapillary venule

d)

Thoroughfare channel

126.

Identify the part of a special (mesenteric) capillary bed indicated by “E.”

a)

Terminal arteriole

b)

Venule

c)

Postcapillary venule

d)

Thoroughfare channel

127.

The vessels that exhibit the lowest level of permeability are the __________.

a)

Sinusoid capillaries

b)

Fenestrated capillaries

c)

Continuous capillaries

d)

Capillaries found in the glomerulus of the kidney

128.

Exchange of gases and nutrients occurs by diffusion between the __________.

a)

Arterioles and tissue cells

b)

Arteries and veins

c)

Artery walls and tissue cells

d)

Capillaries and tissue cells

129.

Fluids would be likely to leave or filter out of the capillary if __________.

a)

net filtration pressure (NFP) is negative

b)

Osmotic pressure (OP) in the capillary is high

c)

Net hydrostatic pressure (HP) is greater than net osmotic pressure (OP)

d)

Net hydrostatic pressure (HP) is less than net osmotic pressure (OP)

130.

The presence of __________ stabilizes the wall of capillaries.

a)

Valves

b)

Pericytes

c)

Gap junctions

d)

Elastic fibers

131.

The minute-to-minute blood flow through the capillary beds is determined by the __________.

a)

constriction of elastic arteries

b)

elastic membranes on both sides of the tunica media in muscular arteries

c)

diameter of arterioles

d)

number of elastic fibers in conducting arteries

132.

The only vessels that provide direct access to nearly every cell in the body are the __________.

a)

Venules

b)

Capillaries

c)

Veins

d)

Arteries

133.

Cardiogenic shock is most likely a result from _______

a)

A severe bacterial infection

b)

Large-scale blood loss

c)

A systemic allergic reation

d)

multiple heart attacks

134.

Which of the following acts on both the kidneys and blood vessels to raise blood pressure?

a)

Antidiuretic hormone

b)

Angiotensin II

c)

Atrial natriuretic hormone

d)

Epinephrine

135.

Match the following term to its correct description: Mean arterial pressure.

a)

Lowest level of aortic pressure

b)

Pressure that propels blood to the tissues

c)

Peak of aortic pressure

d)

The difference between systolic and diastolic pressure

136.

The major long-term mechanism of blood pressure control is provided by the __________.

a)

Kidneys

b)

The digestive tract

c)

The lungs

d)

paravertebral ganglia

137.

Match the following term to the correct description: Angiotensin II.

a)

Hormonal control of blood flow

b)

Nervous system control of blood flow

c)

Metabolic control of blood flow

d)

Myogenic control of blood flow

138.

Match the following term with the correct description: Nitric oxide.

a)

Hormonal control of blood flow

b)

myogenic control of blood flow

c)

nervous system of blood flow

d)

metabolic control of blood flow

139.

Hypertension is defined physiologically as a condition of sustained arterial pressure above _______.

a)

120/80

b)

130/80

c)

130/90

d)

140/90

140.

Match the following term to its correct description: Pulse pressure.

a)

Peak of aortic pressure

b)

Pressure that propels blood to the tissues

c)

lowest level of aortic pressure

d)

The difference between systolic and diastolic pressure

141.

Match the following term to the correct description: Angiotensin II.

a)

Metabolic control of blood flow

b)

Hormonal control of blood flow

c)

Nervous system control of blood flow

d)

Myogenic control of blood flow

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