Question 1

Which of the following represents postural (orthostatic) hypotension?

Accepted Answer

A) a shock-like state that affects the elderly 
B) an abnormally low blood pressure in the supine position 
C)  a permanent decrease in blood pressure in a long-bedridden patient 
D)  an abnormal and transient drop in blood pressure on assumption of the upright position 
A) a shock-like state that affects the elderly 
B) an abnormally low blood pressure in the supine position 
C)  a permanent decrease in blood pressure in a long-bedridden patient 
D)  an abnormal and transient drop in blood pressure on assumption of the upright position

Question 2

Describe capillary filtration and reabsorption.

Accepted Answer

Capillary filtration and reabsorption ar

Question 3

Arterial walls contain a thick layer of smooth muscle and an abundance of collagen and elastin fibres.

Accepted Answer

A) True 
 B)False

Question 4

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.)
a.This change would increase blood flow.
b.This change would decrease blood flow.
c.This change would have no effect on blood flow.
-increasing the resistance of a vessel

Accepted Answer

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

Question 5

What is the major site of sympathetic blood flow control (resistance changes)?

Accepted Answer

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

Question 6

A deficiency of ____________________ in the blood reduces the plasma-colloid osmotic pressure.

Accepted Answer

The answer of A deficiency of ____________________ in the blood...

Question 7

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

Question 8

In an arteriole, if the blood vessel radius is two units and then is vasoconstricted to one unit, what is the result?

Accepted Answer

A) The resistance decreases 16 times. 
B) The resistance increases 16 times. 
C)  Flow will be increased. 
D)  Flow will be neither increased nor decreased. 
A) The resistance decreases 16 times. 
B) The resistance increases 16 times. 
C)  Flow will be increased. 
D)  Flow will be neither increased nor decreased.

Question 9

Bulk flow refers to the volume of blood ejected by each ventricle each minute.

Accepted Answer

A) True 
 B)False

Question 10

What effects do the kidneys have on blood pressure maintenance?

Accepted Answer

The answer of What effects do the kidneys have on...

Question 11

Arteriolar smooth muscle normally displays a state of partial constriction known as ____________________.

Accepted Answer

The answer of Arteriolar smooth muscle normally displays a state...

Question 12

During exercise, blood flow to the digestive tract is increased by dilation of the arterioles of the digestive tract.

Accepted Answer

A) True 
 B)False

Question 13

Hyperaemia occurs in response to circulating epinephrine.

Accepted Answer

A) True 
 B)False

Question 14

What does the myogenic response refer to?

Accepted Answer

A) vascular smooth muscle's tendency to constrict when blood flow increases 
B) vascular smooth muscle's tendency to relax when blood flow increases 
C)  vascular smooth muscle's tendency to constrict when stretched 
D)  vascular smooth muscle's tendency to dilate when stretched 
A) vascular smooth muscle's tendency to constrict when blood flow increases 
B) vascular smooth muscle's tendency to relax when blood flow increases 
C)  vascular smooth muscle's tendency to constrict when stretched 
D)  vascular smooth muscle's tendency to dilate when stretched

Question 15

Which of these changes will increase fluid reabsorption by the capillaries?

Accepted Answer

A) decreased interstitial fluid hydrostatic pressure 
B) increased capillary blood pressure 
C)  increased plasma-colloid osmotic pressure 
D)  increased interstitial fluid-colloid osmotic pressure 
A) decreased interstitial fluid hydrostatic pressure 
B) increased capillary blood pressure 
C)  increased plasma-colloid osmotic pressure 
D)  increased interstitial fluid-colloid osmotic pressure

Question 16

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
-a hyperaemic response in the heart

Accepted Answer

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

Question 17

Which of the following alterations could lead to oedema?

Accepted Answer

A) a fall in capillary blood pressure 
B) a fall in the concentration of plasma proteins 
C)  dilated lymph vessels 
D)  increased plasma osmolarity 
A) a fall in capillary blood pressure 
B) a fall in the concentration of plasma proteins 
C)  dilated lymph vessels 
D)  increased plasma osmolarity

Question 18

Decreased rate of firing in afferent nerves reaching the cardiovascular control centre _____ the sympathetic nerve activity to the cardiovascular system.

Accepted Answer

The answer of Decreased rate of firing in afferent nerves...

Question 19

Which organ receives the most blood flow while at rest?

Accepted Answer

A) heart 
B) kidney 
C)  brain 
D)  muscle 
A) heart 
B) kidney 
C)  brain 
D)  muscle

Question 20

There is normally a net loss of fluid from a capillary at its arteriolar end.

Accepted Answer

A) True 
 B)False

Which of the following represents postural (orthostatic) hypotension?

Describe capillary filtration and reabsorption.

Arterial walls contain a thick layer of smooth muscle and an abundance of collagen and elastin fibres.

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.) a.This change would increase blood flow. b.This change would decrease blood flow. c.This change would have no effect on blood flow. -increasing the resistance of a vessel

What is the major site of sympathetic blood flow control (resistance changes)?

A deficiency of ____________________ in the blood reduces the plasma-colloid osmotic pressure.

Which of these conditions can cause oedema?

In an arteriole, if the blood vessel radius is two units and then is vasoconstricted to one unit, what is the result?

Bulk flow refers to the volume of blood ejected by each ventricle each minute.

What effects do the kidneys have on blood pressure maintenance?

Arteriolar smooth muscle normally displays a state of partial constriction known as ____________________.

During exercise, blood flow to the digestive tract is increased by dilation of the arterioles of the digestive tract.

Hyperaemia occurs in response to circulating epinephrine.

What does the myogenic response refer to?

Which of these changes will increase fluid reabsorption by the capillaries?

Which of the following alterations could lead to oedema?

Decreased rate of firing in afferent nerves reaching the cardiovascular control centre _____ the sympathetic nerve activity to the cardiovascular system.

Which organ receives the most blood flow while at rest?

There is normally a net loss of fluid from a capillary at its arteriolar end.

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

Exam 8: Muscle Physiology

Which of the following represents postural (orthostatic) hypotension?

Describe capillary filtration and reabsorption.

Arterial walls contain a thick layer of smooth muscle and an abundance of collagen and elastin fibres.

Match the effects, labelled a. through c., with the change(s). (Options may be used more than once or not at all.) a.This change would increase blood flow. b.This change would decrease blood flow. c.This change would have no effect on blood flow. -increasing the resistance of a vessel

What is the major site of sympathetic blood flow control (resistance changes)?

A deficiency of ____________________ in the blood reduces the plasma-colloid osmotic pressure.

Which of these conditions can cause oedema?

In an arteriole, if the blood vessel radius is two units and then is vasoconstricted to one unit, what is the result?

Bulk flow refers to the volume of blood ejected by each ventricle each minute.

What effects do the kidneys have on blood pressure maintenance?

Arteriolar smooth muscle normally displays a state of partial constriction known as ____________________.

During exercise, blood flow to the digestive tract is increased by dilation of the arterioles of the digestive tract.

Hyperaemia occurs in response to circulating epinephrine.

What does the myogenic response refer to?

Which of these changes will increase fluid reabsorption by the capillaries?

Which of the following alterations could lead to oedema?

Decreased rate of firing in afferent nerves reaching the cardiovascular control centre _____ the sympathetic nerve activity to the cardiovascular system.

Which organ receives the most blood flow while at rest?

There is normally a net loss of fluid from a capillary at its arteriolar end.

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