Question 1

Arteries that have lowered compliance are not as elastic.

Accepted Answer

A) True 
 B)False

Question 2

Match the arteriolar effects, labelled a. through c., with the tissues in question. (Options may be used more than once or not at all.)
a.would produce arteriolar vasoconstriction
b.would produce arteriolar vasodilation
c.would not cause any change in arteriolar calibre
-decreased O2 in skeletal muscle

Accepted Answer

Question 3

Blood flow is driven by osmotic pressure.

Accepted Answer

A) True 
 B)False

Question 4

Which of these events does NOT occur as a compensation for haemorrhage?

Accepted Answer

A) shift of fluid from the interstitial fluid into the plasma 
B) reduced urinary output 
C)  increased capillary permeability 
D)  increased cardiac output 
A) shift of fluid from the interstitial fluid into the plasma 
B) reduced urinary output 
C)  increased capillary permeability 
D)  increased cardiac output

Question 5

Varicose veins develop mainly from the incompetent function of which of the following structures?

Accepted Answer

A) connective tissue lining 
B) endothelium 
C)  elastic tissues 
D)  venous valves 
A) connective tissue lining 
B) endothelium 
C)  elastic tissues 
D)  venous valves

Question 6

Endothelin causes arteriolar smooth muscle contraction.

Accepted Answer

A) True 
 B)False

Question 7

Which of these statements describes velocity of blood flow in capillaries?

Accepted Answer

A) It is greater than that for arterioles. 
B) It is greater than that for veins. 
C)  It is slow enough to favour adequate exchange. 
D)  It is less than that for arterioles. 
A) It is greater than that for arterioles. 
B) It is greater than that for veins. 
C)  It is slow enough to favour adequate exchange. 
D)  It is less than that for arterioles.

Question 8

Decreased venous return _____ the stroke volume.

Accepted Answer

The answer of Decreased venous return _____ the stroke volume....

Question 9

What force continues to drive blood through the vasculature during ventricular diastole?

Accepted Answer

A) ventricular contraction 
B) elastic recoil of the stretched arterial walls 
C)  production of arterial vasoconstriction by sympathetic stimulation 
D)  skeletal muscle contraction 
A) ventricular contraction 
B) elastic recoil of the stretched arterial walls 
C)  production of arterial vasoconstriction by sympathetic stimulation 
D)  skeletal muscle contraction

Question 10

The vessels with the greatest total cross-sectional area are the arteries.

Accepted Answer

A) True 
 B)False

Question 11

Which of these statements is NOT accurate?

Accepted Answer

A) Mean arterial pressure increases in severe haemorrhage. 
B) A systolic pressure of 115 mmHg in a resting young adult is probably normal. 
C)  The pulse pressure is the difference between systolic and diastolic pressures. 
D)  The highest vascular blood pressure is observed in the aorta. 
A) Mean arterial pressure increases in severe haemorrhage. 
B) A systolic pressure of 115 mmHg in a resting young adult is probably normal. 
C)  The pulse pressure is the difference between systolic and diastolic pressures. 
D)  The highest vascular blood pressure is observed in the aorta.

Question 12

Which of these factors is NOT involved in promoting venous return to the heart?

Accepted Answer

A) Parasympathetic stimulation decreases venous pressure. 
B) The skeletal muscle pump squeezes blood through the veins. 
C)  The respiratory pump provides a pressure gradient between the lower and chest veins. 
D)  There is vasodilation of veins. 
A) Parasympathetic stimulation decreases venous pressure. 
B) The skeletal muscle pump squeezes blood through the veins. 
C)  The respiratory pump provides a pressure gradient between the lower and chest veins. 
D)  There is vasodilation of veins.

Question 13

For a blood pressure reading of 136/78 mmHg, 78 refers to the diastolic pressure.

Accepted Answer

A) True 
 B)False

Question 14

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.)
a.arteries
b.arterioles
c.capillaries
d.veins
e.lymphatics
-serve as a blood reservoir to accommodate variations in blood volume

Accepted Answer

The answer of Match the types of vessel, labelled a....

Question 15

What happens when blood pressure becomes elevated to above normal?

Accepted Answer

A) The carotid sinus and aortic arch baroreceptors decrease their rate of firing. 
B) The cardiovascular control centre decreases sympathetic and increases parasympathetic activity to the heart and blood vessels. 
C)  Arteriolar vasoconstriction occurs as a compensatory response. 
D)  Salt retention occurs in the kidneys. 
A) The carotid sinus and aortic arch baroreceptors decrease their rate of firing. 
B) The cardiovascular control centre decreases sympathetic and increases parasympathetic activity to the heart and blood vessels. 
C)  Arteriolar vasoconstriction occurs as a compensatory response. 
D)  Salt retention occurs in the kidneys.

Question 16

Movement of fluid from the interstitial fluid into the plasma is known as ____________________.

Accepted Answer

The answer of Movement of fluid from the interstitial fluid...

Question 17

Which of the following types of blood vessels consists of only one cell layer?

Accepted Answer

A) arteriole 
B) artery 
C)  capillary 
D)  vein 
A) arteriole 
B) artery 
C)  capillary 
D)  vein

Question 18

How do the larger arteries assist with systemic blood flow to tissues?

Accepted Answer

A) by contracting their tunica intima 
B) by beating their semilunar-type valves 
C)  by associating with large veins 
D)  by elastic recoil of their walls 
A) by contracting their tunica intima 
B) by beating their semilunar-type valves 
C)  by associating with large veins 
D)  by elastic recoil of their walls

Question 19

Which 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 20

Match the effects, labelled a. through d., with the events in question. (Options may be used more than once or not at all.)
a.increase BP
b.decrease BP
c.increase heart rate only
d.have no effect on BP or heart rate
-baroreceptors inhibited

Accepted Answer

The answer of Match the effects, labelled a. through d.,...

Arteries that have lowered compliance are not as elastic.

Blood flow is driven by osmotic pressure.

Which of these events does NOT occur as a compensation for haemorrhage?

Varicose veins develop mainly from the incompetent function of which of the following structures?

Endothelin causes arteriolar smooth muscle contraction.

Which of these statements describes velocity of blood flow in capillaries?

Decreased venous return _____ the stroke volume.

What force continues to drive blood through the vasculature during ventricular diastole?

The vessels with the greatest total cross-sectional area are the arteries.

Which of these statements is NOT accurate?

Which of these factors is NOT involved in promoting venous return to the heart?

For a blood pressure reading of 136/78 mmHg, 78 refers to the diastolic pressure.

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.) a.arteries b.arterioles c.capillaries d.veins e.lymphatics -serve as a blood reservoir to accommodate variations in blood volume

What happens when blood pressure becomes elevated to above normal?

Movement of fluid from the interstitial fluid into the plasma is known as ____________________.

Which of the following types of blood vessels consists of only one cell layer?

How do the larger arteries assist with systemic blood flow to tissues?

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

Match the effects, labelled a. through d., with the events in question. (Options may be used more than once or not at all.) a.increase BP b.decrease BP c.increase heart rate only d.have no effect on BP or heart rate -baroreceptors inhibited

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

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Exam 8: Muscle Physiology

Arteries that have lowered compliance are not as elastic.

Blood flow is driven by osmotic pressure.

Which of these events does NOT occur as a compensation for haemorrhage?

Varicose veins develop mainly from the incompetent function of which of the following structures?

Endothelin causes arteriolar smooth muscle contraction.

Which of these statements describes velocity of blood flow in capillaries?

Decreased venous return _____ the stroke volume.

What force continues to drive blood through the vasculature during ventricular diastole?

The vessels with the greatest total cross-sectional area are the arteries.

Which of these statements is NOT accurate?

Which of these factors is NOT involved in promoting venous return to the heart?

For a blood pressure reading of 136/78 mmHg, 78 refers to the diastolic pressure.

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.) a.arteries b.arterioles c.capillaries d.veins e.lymphatics -serve as a blood reservoir to accommodate variations in blood volume

What happens when blood pressure becomes elevated to above normal?

Movement of fluid from the interstitial fluid into the plasma is known as ____________________.

Which of the following types of blood vessels consists of only one cell layer?

How do the larger arteries assist with systemic blood flow to tissues?

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

Match the effects, labelled a. through d., with the events in question. (Options may be used more than once or not at all.) a.increase BP b.decrease BP c.increase heart rate only d.have no effect on BP or heart rate -baroreceptors inhibited

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acidbase Balance

The Digestive System

Energy Balance and Temperature Regulation

Filters