Question 1

Increased sympathetic nerve activity _____ the stroke volume.

Accepted Answer

Increased sympathetic nerve activity gen

Question 2

Which of these statements describes why increased respiration within a tissue leads to vasodilation of arterioles

Accepted Answer

A) Carbon dioxide levels increase. 
B) Oxygen levels increase. 
C) Parasympathetic activity increases. 
D) Sympathetic activity increases. 
A) Carbon dioxide levels increase. 
B) Oxygen levels increase. 
C) Parasympathetic activity increases. 
D) Sympathetic activity increases.

Question 3

Cardiac contraction induces blood flow in the arterial system, but it has no influence on blood flow in the veins.

Accepted Answer

A) True 
 B)False

Question 4

Which of these terms is the pressure measured in the arteries just before the next ventricular ejection of blood

Accepted Answer

A) systolic pressure 
B) diastolic pressure 
C) pulse pressure 
D) mean pressure 
A) systolic pressure 
B) diastolic pressure 
C) pulse pressure 
D) mean pressure

Question 5

A decrease in plasma-colloid osmotic pressure will decrease ultrafiltration and increase reabsorption at the capillary level.

Accepted Answer

A) True 
 B)False

Question 6

For blood pressure recorded as 118/76 mmHg, match the correct values, labelled a. through e., with the pressures in question.
-What is the diastolic 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 7

Organs that recondition the blood normally receive considerably more of the cardiac output than is necessary to meet their metabolic needs.

Accepted Answer

A) True 
 B)False

Question 8

Match the terms, labelled a. through d., with the correct characteristics.
-arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of the tissue

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 9

Resistance to blood flow increases as the viscosity of the blood increases.

Accepted Answer

A) True 
 B)False

Question 10

Baroreceptors are most sensitive to changes in which of these factors

Accepted Answer

A) blood pressure 
B) the carbon dioxide level in the blood 
C) the degree of contraction of skeletal muscles 
D) the oxygen level in the blood 
A) blood pressure 
B) the carbon dioxide level in the blood 
C) the degree of contraction of skeletal muscles 
D) the oxygen level in the blood

Question 11

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.)
-sympathetic stimulation of kidney 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 12

Venous capacity depends on the ____________________ of the vein walls.

Accepted Answer

The answer of Venous capacity depends on the ____________________ of...

Question 13

Which of these factors does NOT promote the function of the capillaries

Accepted Answer

A) blood pressure forcing fluid out of these vessels 
B) a small total surface area 
C) an osmotic pressure drawing fluid into these vessels 
D) pores in the endothelial wall 
A) blood pressure forcing fluid out of these vessels 
B) a small total surface area 
C) an osmotic pressure drawing fluid into these vessels 
D) pores in the endothelial wall

Question 14

Two features of arteries are ____________________ and ____________________.

Accepted Answer

passageway to tissue

Question 15

Arteries that have lowered compliance are not as elastic.

Accepted Answer

A) True 
 B)False

Question 16

Increased total peripheral resistance _____ the mean systemic arterial blood pressure.

Accepted Answer

Increased total peripheral resistance ge

Question 17

There is a constant flow of blood through the capillaries even though the heart is forcing blood out into the arterial system only part of the time.

Accepted Answer

A) True 
 B)False

Question 18

Organs that do not adjust the blood are more vulnerable to reductions in blood flow than are organs that perform homeostatic functions on the blood.

Accepted Answer

A) True 
 B)False

Question 19

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.)
-increased stretch of arterioles supplying a particular tissue

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 20

Which of these conditions can cause oedema

Accepted Answer

A) blockage of lymph vessels, increased capillary blood pressure, and decreased plasma-colloid osmotic pressure 
B) blockage of lymph vessels and decreased capillary blood pressure 
C) increased capillary blood pressure and increased plasma-colloid osmotic pressure 
D) dilation of lymph vessels and decreased plasma-colloid osmotic pressure 
A) blockage of lymph vessels, increased capillary blood pressure, and decreased plasma-colloid osmotic pressure 
B) blockage of lymph vessels and decreased capillary blood pressure 
C) increased capillary blood pressure and increased plasma-colloid osmotic pressure 
D) dilation of lymph vessels and decreased plasma-colloid osmotic pressure

Increased sympathetic nerve activity _____ the stroke volume.

Which of these statements describes why increased respiration within a tissue leads to vasodilation of arterioles

Cardiac contraction induces blood flow in the arterial system, but it has no influence on blood flow in the veins.

Which of these terms is the pressure measured in the arteries just before the next ventricular ejection of blood

A decrease in plasma-colloid osmotic pressure will decrease ultrafiltration and increase reabsorption at the capillary level.

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

Organs that recondition the blood normally receive considerably more of the cardiac output than is necessary to meet their metabolic needs.

Match the terms, labelled a. through d., with the correct characteristics. -arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of the tissue

Resistance to blood flow increases as the viscosity of the blood increases.

Baroreceptors are most sensitive to changes in which of these factors

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

Venous capacity depends on the ____________________ of the vein walls.

Which of these factors does NOT promote the function of the capillaries

Two features of arteries are and .

Arteries that have lowered compliance are not as elastic.

Increased total peripheral resistance _____ the mean systemic arterial blood pressure.

There is a constant flow of blood through the capillaries even though the heart is forcing blood out into the arterial system only part of the time.

Organs that do not adjust the blood are more vulnerable to reductions in blood flow than are organs that perform homeostatic functions on the blood.

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -increased stretch of arterioles supplying a particular tissue

Which of these conditions can cause oedema

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

Increased sympathetic nerve activity _____ the stroke volume.

Which of these statements describes why increased respiration within a tissue leads to vasodilation of arterioles

Cardiac contraction induces blood flow in the arterial system, but it has no influence on blood flow in the veins.

Which of these terms is the pressure measured in the arteries just before the next ventricular ejection of blood

A decrease in plasma-colloid osmotic pressure will decrease ultrafiltration and increase reabsorption at the capillary level.

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

Organs that recondition the blood normally receive considerably more of the cardiac output than is necessary to meet their metabolic needs.

Match the terms, labelled a. through d., with the correct characteristics. -arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of the tissue

Resistance to blood flow increases as the viscosity of the blood increases.

Baroreceptors are most sensitive to changes in which of these factors

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

Venous capacity depends on the ____________________ of the vein walls.

Which of these factors does NOT promote the function of the capillaries

Two features of arteries are ____________________ and ____________________.

Arteries that have lowered compliance are not as elastic.

Increased total peripheral resistance _____ the mean systemic arterial blood pressure.

There is a constant flow of blood through the capillaries even though the heart is forcing blood out into the arterial system only part of the time.

Organs that do not adjust the blood are more vulnerable to reductions in blood flow than are organs that perform homeostatic functions on the blood.

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.) -increased stretch of arterioles supplying a particular tissue

Which of these conditions can cause oedema

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

Two features of arteries are and .