Question 1

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.)
-decreased O₂ in skeletal muscle

Accepted Answer

A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar calibre 
A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar calibre

Question 2

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.)
-increasing the resistance of a vessel

Accepted Answer

A) This change would increase blood flow. 
B) This change would decrease blood flow. 
C) This change would have no effect on blood flow. 
A) This change would increase blood flow. 
B) This change would decrease blood flow. 
C) This change would have no effect on blood flow.

Question 3

Which statement applies to vasoconstriction

Accepted Answer

A) an increase in the radius of a vessel 
B) decreases blood flow through an arteriole 
C) increases blood flow through an arteriole 
D) can be caused in an arteriole by parasympathetic activation 
A) an increase in the radius of a vessel 
B) decreases blood flow through an arteriole 
C) increases blood flow through an arteriole 
D) can be caused in an arteriole by parasympathetic activation

Question 4

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.)
-norepinephrine on cerebral arterioles

Accepted Answer

A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar calibre 
A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar calibre

Question 5

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.)
-increasing the radius of a vessel

Accepted Answer

A) This change would increase blood flow. 
B) This change would decrease blood flow. 
C) This change would have no effect on blood flow. 
A) This change would increase blood flow. 
B) This change would decrease blood flow. 
C) This change would have no effect on blood flow.

Question 6

Increased venous return _____ the end-diastolic volume.

Accepted Answer

Increased venous return increases the en

Question 7

Which of these statements describes active hyperaemia

Accepted Answer

A) arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of that tissue 
B) local arteriolar mechanisms that are aimed at keeping tissue blood flow constant in spite of wide deviations in mean arterial driving pressure 
C) the increase in blood flow to a tissue that occurs after removal of an occlusion of that tissue's blood supply 
D) important in maintaining an adequate pressure head to drive blood forward into a tissue 
A) arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of that tissue 
B) local arteriolar mechanisms that are aimed at keeping tissue blood flow constant in spite of wide deviations in mean arterial driving pressure 
C) the increase in blood flow to a tissue that occurs after removal of an occlusion of that tissue's blood supply 
D) important in maintaining an adequate pressure head to drive blood forward into a tissue

Question 8

Increased tissue respiration rates cause local vasodilation of arterioles.

Accepted Answer

A) True 
 B)False

Question 9

Normally, most of the blood at any one time is in the capillary beds, because this is where material exchange is taking place.

Accepted Answer

A) True 
 B)False

Question 10

Which of these vessels can act as blood reservoirs by adjusting their total capacity to accommodate variations in blood volume

Accepted Answer

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

Question 11

When the heart is not ejecting blood into the arterial system, the pressure in the arteries falls to zero as blood drains off into the rest of the vasculature.

Accepted Answer

A) True 
 B)False

Question 12

Match the types of vessel, labelled a. through e., with the function(s) they perform. (Options may be used more than once or not at all.)
-portion of the circulatory system through which the velocity of blood flow is the slowest

Accepted Answer

A) arteries 
B) arterioles 
C) capillaries 
D) veins 
E) lymphatics 
A) arteries 
B) arterioles 
C) capillaries 
D) veins 
E) lymphatics

Question 13

Decreased O₂, increased CO₂, increased acid, and increased K⁺ concentrations in a skeletal muscle _____ the radius of the arterioles supplying this skeletal muscle.

Accepted Answer

The answer of Decreased O₂, increased CO₂, increased acid, and...

Question 14

Match the terms, labelled a. through d., with the correct characteristics.
-important in maintaining an adequate pressure head to drive blood forward to the tissues

Accepted Answer

A) reactive hyperaemia 
B) active hyperaemia 
C) pressure autoregulation 
D) extrinsic control 
A) reactive hyperaemia 
B) active hyperaemia 
C) pressure autoregulation 
D) extrinsic control

Question 15

For blood pressure recorded as 118/76 mmHg, match the correct values, labelled a. through e., with the pressures in question.
-What is the mean arterial pressure

Accepted Answer

A) 118 mmHg 
B) 42 mmHg 
C) 97 mmHg 
D) 76 mmHg 
E) 90 mmHg 
A) 118 mmHg 
B) 42 mmHg 
C) 97 mmHg 
D) 76 mmHg 
E) 90 mmHg

Question 16

Oedema refers to excess interstitial fluid.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is NOT a function of the lymphatic system

Accepted Answer

A) to defend against disease 
B) to return fluid to the circulatory system 
C) to transport fat molecules 
D) to regulate sodium balance 
A) to defend against disease 
B) to return fluid to the circulatory system 
C) to transport fat molecules 
D) to regulate sodium balance

Question 18

Vasogenic shock is triggered by widespread ____________________ of blood vessels.

Accepted Answer

The answer of Vasogenic shock is triggered by widespread ____________________...

Question 19

A metarteriole is located between an arteriole and a venule.

Accepted Answer

A) True 
 B)False

Question 20

What does microcirculation comprise

Accepted Answer

A) arteries, arterioles, and capillaries 
B) arterioles, capillaries, and venules 
C) arteries, capillaries, and venules 
D) arteries, arterioles, and venules 
A) arteries, arterioles, and capillaries 
B) arterioles, capillaries, and venules 
C) arteries, capillaries, and venules 
D) arteries, arterioles, and venules

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -decreased O₂ in skeletal muscle

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.) -increasing the resistance of a vessel

Which statement applies to vasoconstriction

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -norepinephrine on cerebral arterioles

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.) -increasing the radius of a vessel

Increased venous return _____ the end-diastolic volume.

Which of these statements describes active hyperaemia

Increased tissue respiration rates cause local vasodilation of arterioles.

Normally, most of the blood at any one time is in the capillary beds, because this is where material exchange is taking place.

Which of these vessels can act as blood reservoirs by adjusting their total capacity to accommodate variations in blood volume

When the heart is not ejecting blood into the arterial system, the pressure in the arteries falls to zero as blood drains off into the rest of the vasculature.

Match the types of vessel, labelled a. through e., with the function(s) they perform. (Options may be used more than once or not at all.) -portion of the circulatory system through which the velocity of blood flow is the slowest

Decreased O₂, increased CO₂, increased acid, and increased K⁺ concentrations in a skeletal muscle _____ the radius of the arterioles supplying this skeletal muscle.

Match the terms, labelled a. through d., with the correct characteristics. -important in maintaining an adequate pressure head to drive blood forward to the tissues

For blood pressure recorded as 118/76 mmHg, match the correct values, labelled a. through e., with the pressures in question. -What is the mean arterial pressure

Oedema refers to excess interstitial fluid.

Which of the following is NOT a function of the lymphatic system

Vasogenic shock is triggered by widespread ____________________ of blood vessels.

A metarteriole is located between an arteriole and a venule.

What does microcirculation comprise

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters

Exam 9: Vascular Physiology

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -decreased O₂ in skeletal muscle

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.) -increasing the resistance of a vessel

Which statement applies to vasoconstriction

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -norepinephrine on cerebral arterioles

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.) -increasing the radius of a vessel

Increased venous return _____ the end-diastolic volume.

Which of these statements describes active hyperaemia

Increased tissue respiration rates cause local vasodilation of arterioles.

Normally, most of the blood at any one time is in the capillary beds, because this is where material exchange is taking place.

Which of these vessels can act as blood reservoirs by adjusting their total capacity to accommodate variations in blood volume

When the heart is not ejecting blood into the arterial system, the pressure in the arteries falls to zero as blood drains off into the rest of the vasculature.

Match the types of vessel, labelled a. through e., with the function(s) they perform. (Options may be used more than once or not at all.) -portion of the circulatory system through which the velocity of blood flow is the slowest

Decreased O₂, increased CO₂, increased acid, and increased K⁺ concentrations in a skeletal muscle _____ the radius of the arterioles supplying this skeletal muscle.

Match the terms, labelled a. through d., with the correct characteristics. -important in maintaining an adequate pressure head to drive blood forward to the tissues

For blood pressure recorded as 118/76 mmHg, match the correct values, labelled a. through e., with the pressures in question. -What is the mean arterial pressure

Oedema refers to excess interstitial fluid.

Which of the following is NOT a function of the lymphatic system

Vasogenic shock is triggered by widespread ____________________ of blood vessels.

A metarteriole is located between an arteriole and a venule.

What does microcirculation comprise

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System: Sensory, Autonomic, Somatic

Principles of Endocrinology: The Central Endocrine Glands

The Endocrine Glands

Muscle Physiology

Cardiac Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

The Reproductive System

Filters