Question 1

It is considered hypertension if the systolic/diastolic pressure is above the values of ____________________.

Accepted Answer

The answer of It is considered hypertension if the systolic/diastolic...

Question 2

Choose the appropriate letter from the answer code to make the statement correct.
-Increased sympathetic nerve activity ____________________ the stroke volume.

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 3

Which of the following factors would produce the greatest increase in blood flow?

Accepted Answer

A)  doubling the radius of the vessel 
B)  doubling the difference in the pressure gradient within the vessel 
C)  doubling the viscosity of the blood 
D)  doubling the length of the vessel 
A)  doubling the radius of the vessel 
B)  doubling the difference in the pressure gradient within the vessel 
C)  doubling the viscosity of the blood 
D)  doubling the length of the vessel

Question 4

Which of the following does NOT occur to compensate for a fall in blood pressure below normal?

Accepted Answer

A)  Cardiac output is increased. 
B)  Total peripheral resistance is decreased. 
C)  Heart rate is increased. 
D)  Venous vasoconstriction occurs. 
A)  Cardiac output is increased. 
B)  Total peripheral resistance is decreased. 
C)  Heart rate is increased. 
D)  Venous vasoconstriction occurs.

Question 5

The pulse pressure is the maximum pressure exerted in the arteries.

Accepted Answer

A) True 
 B)False

Question 6

As the concentration of red blood cells increases in the blood,the viscosity of the blood increases.

Accepted Answer

A) True 
 B)False

Question 7

The process of ____________________ is responsible for determining the distribution of the extracellular fluid volume between the plasma and interstitial fluid.

Accepted Answer

The answer of The process of ____________________ is responsible for...

Question 8

Which statement about nitric oxide is INCORRECT?

Accepted Answer

A)  It increases the total peripheral resistance by its action on arteriolar smooth muscle. 
B)  It serves as endothelial-derived relaxing factor. 
C)  It is the direct mediator of penile erection. 
D)  It is released as "chemical warfare" by macrophages of the immune system. 
A)  It increases the total peripheral resistance by its action on arteriolar smooth muscle. 
B)  It serves as endothelial-derived relaxing factor. 
C)  It is the direct mediator of penile erection. 
D)  It is released as "chemical warfare" by macrophages of the immune system.

Question 9

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 10

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 volume due to haemorrhage

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 11

In an arteriole,if the blood vessel radius is 2 units and then vasoconstricted to 1 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)  There is no effect on blood flow. 
A)  The resistance decreases 16 times. 
B)  The resistance increases 16 times. 
C)  Flow will be increased. 
D)  There is no effect on blood flow.

Question 12

Irreversible shock occurs when the cardiovascular system itself starts to deteriorate as a consequence of side effects from compensatory measures to severe hypotension.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following local factors does NOT produce the relaxation of arteriolar smooth muscle?

Accepted Answer

A)  increased acid 
B)  increased carbon dioxide 
C)  increased osmolarity 
D)  increased oxygen 
A)  increased acid 
B)  increased carbon dioxide 
C)  increased osmolarity 
D)  increased oxygen

Question 14

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the answer code (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 15

Choose the appropriate letter from the answer code to make the statement correct.
-Increased sympathetic nerve activity ____________________ the strength of cardiac ventricular contraction.

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

Local control mechanisms can override sympathetic control of changes in the size of arterioles.

Accepted Answer

A) True 
 B)False

Question 17

Relaxation of arteriolar smooth muscle causes the radius of the vessel to ____________________,a process known as ____________________,whereas contraction of arteriolar smooth muscle causes the radius of the vessel to ____________________,a process known as ____________________.

Accepted Answer

increase,v

Question 18

The primary mechanism for exchange of individual solutes across the capillary wall is ____________________.

Accepted Answer

diffusion

Question 19

Which of the following local chemical changes does NOT occur during a period of increased cell activity?

Accepted Answer

A)  increased CO2 
B)  increased acid 
C)  increased O2 
D)  increased K+ 
A)  increased CO2 
B)  increased acid 
C)  increased O2 
D)  increased K+

Question 20

What are the major resistance vessels of the body?

Accepted Answer

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

It is considered hypertension if the systolic/diastolic pressure is above the values of ____________________.

Choose the appropriate letter from the answer code to make the statement correct. -Increased sympathetic nerve activity ____________________ the stroke volume.

Which of the following factors would produce the greatest increase in blood flow?

Which of the following does NOT occur to compensate for a fall in blood pressure below normal?

The pulse pressure is the maximum pressure exerted in the arteries.

As the concentration of red blood cells increases in the blood,the viscosity of the blood increases.

The process of ____________________ is responsible for determining the distribution of the extracellular fluid volume between the plasma and interstitial fluid.

Which statement about nitric oxide is INCORRECT?

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.

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 volume due to haemorrhage

In an arteriole,if the blood vessel radius is 2 units and then vasoconstricted to 1 unit,what is the result?

Irreversible shock occurs when the cardiovascular system itself starts to deteriorate as a consequence of side effects from compensatory measures to severe hypotension.

Which of the following local factors does NOT produce the relaxation of arteriolar smooth muscle?

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the answer code (options may be used more than once or not at all): -increased stretch of arterioles supplying a particular tissue

Choose the appropriate letter from the answer code to make the statement correct. -Increased sympathetic nerve activity ____________________ the strength of cardiac ventricular contraction.

Local control mechanisms can override sympathetic control of changes in the size of arterioles.

Relaxation of arteriolar smooth muscle causes the radius of the vessel to ,a process known as ,whereas contraction of arteriolar smooth muscle causes the radius of the vessel to ,a process known as .

The primary mechanism for exchange of individual solutes across the capillary wall is ____________________.

Which of the following local chemical changes does NOT occur during a period of increased cell activity?

What are the major resistance vessels of the body?

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

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Exam 8: Vascular Physiology

It is considered hypertension if the systolic/diastolic pressure is above the values of ____________________.

Choose the appropriate letter from the answer code to make the statement correct. -Increased sympathetic nerve activity ____________________ the stroke volume.

Which of the following factors would produce the greatest increase in blood flow?

Which of the following does NOT occur to compensate for a fall in blood pressure below normal?

The pulse pressure is the maximum pressure exerted in the arteries.

As the concentration of red blood cells increases in the blood,the viscosity of the blood increases.

The process of ____________________ is responsible for determining the distribution of the extracellular fluid volume between the plasma and interstitial fluid.

Which statement about nitric oxide is INCORRECT?

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.

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 volume due to haemorrhage

In an arteriole,if the blood vessel radius is 2 units and then vasoconstricted to 1 unit,what is the result?

Irreversible shock occurs when the cardiovascular system itself starts to deteriorate as a consequence of side effects from compensatory measures to severe hypotension.

Which of the following local factors does NOT produce the relaxation of arteriolar smooth muscle?

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the answer code (options may be used more than once or not at all): -increased stretch of arterioles supplying a particular tissue

Choose the appropriate letter from the answer code to make the statement correct. -Increased sympathetic nerve activity ____________________ the strength of cardiac ventricular contraction.

Local control mechanisms can override sympathetic control of changes in the size of arterioles.

Relaxation of arteriolar smooth muscle causes the radius of the vessel to ____________________,a process known as ____________________,whereas contraction of arteriolar smooth muscle causes the radius of the vessel to ____________________,a process known as ____________________.

The primary mechanism for exchange of individual solutes across the capillary wall is ____________________.

Which of the following local chemical changes does NOT occur during a period of increased cell activity?

What are the major resistance vessels of the body?

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

Relaxation of arteriolar smooth muscle causes the radius of the vessel to ,a process known as ,whereas contraction of arteriolar smooth muscle causes the radius of the vessel to ,a process known as .