Question 1

Which statement is INCORRECT for the veins?

Accepted Answer

A)  They act as low-resistance passageways for blood flow from the tissues to the heart. 
B)  They always contain deoxygenated blood. 
C)  They contain one-way valves that prevent the backflow of blood. 
D)  Their walls are thinner than those of arteries. 
A)  They act as low-resistance passageways for blood flow from the tissues to the heart. 
B)  They always contain deoxygenated blood. 
C)  They contain one-way valves that prevent the backflow of blood. 
D)  Their walls are thinner than those of arteries.

Question 2

Given the following forces acting at a given point across the capillary wall,what type of fluid movement will be taking place at that point?
- capillary blood pressure = 32 mm Hg
- blood-colloid osmotic pressure = 23 mm Hg
- interstitial-fluid hydrostatic pressure = 1 mm Hg
- interstitial-fluid-colloid osmotic pressure = 0 mm Hg

Accepted Answer

A)  Ultrafiltration will occur with a net outward pressure of 8 mm Hg. 
B)  Ultrafiltration will occur with a net outward pressure of 10 mm Hg. 
C)  Ultrafiltration will occur with a net outward pressure of 56 mm Hg. 
D)  Reabsorption will occur with a net inward pressure of 24 mm Hg. 
A)  Ultrafiltration will occur with a net outward pressure of 8 mm Hg. 
B)  Ultrafiltration will occur with a net outward pressure of 10 mm Hg. 
C)  Ultrafiltration will occur with a net outward pressure of 56 mm Hg. 
D)  Reabsorption will occur with a net inward pressure of 24 mm Hg.

Question 3

What is vascular resistance related to ?

Accepted Answer

A)  venous system. 
B)  diameter of a blood vessel. 
C)  location of the blood vessel. 
D)  component of white blood cell count 
A)  venous system. 
B)  diameter of a blood vessel. 
C)  location of the blood vessel. 
D)  component of white blood cell count

Question 4

A major function of the arteries is to serve as a blood reservoir.

Accepted Answer

A) True 
 B)False

Question 5

Blood flows continuously through all capillaries.

Accepted Answer

A) True 
 B)False

Question 6

Choose the appropriate letter from the answer code to make the statement correct.
-Decreased venous radius ____________________ the venous return.

Accepted Answer

A) stimulates or increases 
B) decreases or inhibits 
C) has no effect on 
A) stimulates or increases 
B) decreases or inhibits 
C) has no effect on

Question 7

____________________ are structures in veins that prevent the blood from flowing backward.

Accepted Answer

The answer of ____________________ are structures in veins that prevent...

Question 8

Blood flow is driven by ____________________.

Accepted Answer

mean arter

Question 9

If the blood pressure is recorded as 118/76, indicate the correct value of the pressure in question by using the following answer code:
-What is the pulse pressure?

Accepted Answer

A) 118 mm Hg 
B) 42 mm Hg 
C) 97 mm Hg 
D) 76 mm Hg 
E) 90 mm Hg 
A) 118 mm Hg 
B) 42 mm Hg 
C) 97 mm Hg 
D) 76 mm Hg 
E) 90 mm Hg

Question 10

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 11

The flow rate of blood is the same in all segments of the vascular tree,but the velocity of blood flow is slower in the capillaries than in other segments of the vascular tree.

Accepted Answer

A) True 
 B)False

Question 12

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

Accepted Answer

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

Question 13

Increased tissue respiration rates cause local vasodilation of arterioles.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following factors would decrease total peripheral resistance?

Accepted Answer

A)  adrenal medulla hormones 
B)  angiotensin II 
C)  increased haematocrit 
D)  Anaphylaxis 
A)  adrenal medulla hormones 
B)  angiotensin II 
C)  increased haematocrit 
D)  Anaphylaxis

Question 15

Choose the appropriate letter from the answer code to make the statement correct.
-Decreased rate of firing in afferent nerves reaching the cardiovascular control centre ____________________ the parasympathetic nerve activity to the cardiovascular system.

Accepted Answer

A) stimulates or increases 
B) decreases or inhibits 
C) has no effect on 
A) stimulates or increases 
B) decreases or inhibits 
C) has no effect on

Question 16

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 17

As metabolic activity of an organ or tissue increases,blood flow to that organ increases.What is the term for this phenomenon?

Accepted Answer

A)  pressure autoregulation 
B)  tissue anoxia 
C)  active hyperemia 
D)  Hypertension 
A)  pressure autoregulation 
B)  tissue anoxia 
C)  active hyperemia 
D)  Hypertension

Question 18

Match the term with the correct characteristic by using the answer code:
-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 hyperemia 
B) active hyperemia 
C) pressure autoregulation 
D) extrinsic control 
A) reactive hyperemia 
B) active hyperemia 
C) pressure autoregulation 
D) extrinsic control

Question 19

Indicate what effect the change in question would have on bulk flow by using the answer code (options may be used more than once or not at all):
-loss of plasma protein in the urine due to kidney disease

Accepted Answer

A) The change would increase ultrafiltration and decrease reabsorption. 
B) The change would decrease ultrafiltration and increase reabsorption. 
C) The change would increase both ultrafiltration and reabsorption. 
D) The change would decrease both ultrafiltration and reabsorption. 
E) The change would not alter ultrafiltration and reabsorption. 
A) The change would increase ultrafiltration and decrease reabsorption. 
B) The change would decrease ultrafiltration and increase reabsorption. 
C) The change would increase both ultrafiltration and reabsorption. 
D) The change would decrease both ultrafiltration and reabsorption. 
E) The change would not alter ultrafiltration and reabsorption.

Question 20

The baroreceptors are usually no longer functional in the presence of hypertension.

Accepted Answer

A) True 
 B)False

Which statement is INCORRECT for the veins?

What is vascular resistance related to ?

A major function of the arteries is to serve as a blood reservoir.

Blood flows continuously through all capillaries.

Choose the appropriate letter from the answer code to make the statement correct. -Decreased venous radius ____________________ the venous return.

____________________ are structures in veins that prevent the blood from flowing backward.

Blood flow is driven by ____________________.

If the blood pressure is recorded as 118/76, indicate the correct value of the pressure in question by using the following answer code: -What is the pulse pressure?

Which of the following represents postural (orthostatic)hypotension?

The flow rate of blood is the same in all segments of the vascular tree,but the velocity of blood flow is slower in the capillaries than in other segments of the vascular tree.

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

Increased tissue respiration rates cause local vasodilation of arterioles.

Which of the following factors would decrease total peripheral resistance?

Choose the appropriate letter from the answer code to make the statement correct. -Decreased rate of firing in afferent nerves reaching the cardiovascular control centre ____________________ the parasympathetic nerve activity to the cardiovascular system.

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

As metabolic activity of an organ or tissue increases,blood flow to that organ increases.What is the term for this phenomenon?

Match the term with the correct characteristic by using the answer code: -arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of the tissue

Indicate what effect the change in question would have on bulk flow by using the answer code (options may be used more than once or not at all): -loss of plasma protein in the urine due to kidney disease

The baroreceptors are usually no longer functional in the presence of hypertension.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters

Exam 8: Vascular Physiology

Which statement is INCORRECT for the veins?

What is vascular resistance related to ?

A major function of the arteries is to serve as a blood reservoir.

Blood flows continuously through all capillaries.

Choose the appropriate letter from the answer code to make the statement correct. -Decreased venous radius ____________________ the venous return.

____________________ are structures in veins that prevent the blood from flowing backward.

Blood flow is driven by ____________________.

If the blood pressure is recorded as 118/76, indicate the correct value of the pressure in question by using the following answer code: -What is the pulse pressure?

Which of the following represents postural (orthostatic)hypotension?

The flow rate of blood is the same in all segments of the vascular tree,but the velocity of blood flow is slower in the capillaries than in other segments of the vascular tree.

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

Increased tissue respiration rates cause local vasodilation of arterioles.

Which of the following factors would decrease total peripheral resistance?

Choose the appropriate letter from the answer code to make the statement correct. -Decreased rate of firing in afferent nerves reaching the cardiovascular control centre ____________________ the parasympathetic nerve activity to the cardiovascular system.

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

As metabolic activity of an organ or tissue increases,blood flow to that organ increases.What is the term for this phenomenon?

Match the term with the correct characteristic by using the answer code: -arteriolar dilation that occurs within a tissue in response to local chemical changes that accompany increased metabolic activity of the tissue

Indicate what effect the change in question would have on bulk flow by using the answer code (options may be used more than once or not at all): -loss of plasma protein in the urine due to kidney disease

The baroreceptors are usually no longer functional in the presence of hypertension.

The Foundation of Physiology

Cell Physiology

The Central Nervous System

The Peripheral Nervous System

Principals of Endocrinology; The Central Endocrine Glands

Muscle Physiology

Cardiac Physiology

The Blood

Body Defences

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine Glands

The Reproductive System

Filters