Question 1

Describe short-term and long-term control measures of blood pressure.

Accepted Answer

Mean arterial pressure is constantly mon

Question 2

Arteries carry blood from the organs towards the heart.

Accepted Answer

A) True 
 B)False

Question 3

What part of the body doesn't have α1 receptors within its arterioles?

Accepted Answer

A) ​the brain 
B) the kidneys 
C) the small intestine 
D) the skin 
E) ​the heart 
A) ​the brain 
B) the kidneys 
C) the small intestine 
D) the skin 
E) ​the heart

Question 4

Vasoconstriction is associated with:

Accepted Answer

A) ​decreased sympathetic nervous system stimulation 
B) increased oxygen levels and myogenic activity 
C) increased carbon dioxide and nitric oxide levels 
D) decreased oxygen levels and myogenic activity 
E) ​decreased endothelin and nitric oxide levels 
A) ​decreased sympathetic nervous system stimulation 
B) increased oxygen levels and myogenic activity 
C) increased carbon dioxide and nitric oxide levels 
D) decreased oxygen levels and myogenic activity 
E) ​decreased endothelin and nitric oxide levels

Question 5

Secondary hypotension results from insufficient compensatory responses to the gravitational shifts in blood when a person moves from a horizontal to a vertical position.

Accepted Answer

A) True 
 B)False

Question 6

Where does the extra fluid filtered out of the capillaries go?

Accepted Answer

A) ​blood 
B) urine 
C) lymphatic system 
D) spleen 
E) ​spinal canal 
A) ​blood 
B) urine 
C) lymphatic system 
D) spleen 
E) ​spinal canal

Question 7

At any point in time,what percentage of the body's total blood volume is within capillaries?

Accepted Answer

A) ​0.5% 
B) 2% 
C) 5% 
D) 10% 
E) ​15% 
A) ​0.5% 
B) 2% 
C) 5% 
D) 10% 
E) ​15%

Question 8

In the long term,blood volume depends on salt and water balance,which are hormonally controlled by the __________ system and __________,respectively.​

Accepted Answer

renin-angi

Question 9

Figure 10-8
Use the figure above (Figure 10-8)to answer the corresponding questions.
  
-Which number in the figure represents the blood pressures experienced by the capillaries?

Accepted Answer

A) ​1 
B) 2 
C) 3​ 
D) 4 
E) ​5 
A) ​1 
B) 2 
C) 3​ 
D) 4 
E) ​5

Question 10

What is the mechanism called that pushes blood from the lower veins to the chest veins due to a pressure difference?

Accepted Answer

A) ​chest flow 
B) chest gradient 
C) chest pump 
D) respiratory pump 
E) ​respiratory gradient 
A) ​chest flow 
B) chest gradient 
C) chest pump 
D) respiratory pump 
E) ​respiratory gradient

Question 11

Flow rate of blood through a vessel is inversely proportional to:

Accepted Answer

A) ​vascular resistance 
B) vascular gradient 
C) pressure gradient 
D) pressure back flow 
E) ​vessel strength 
A) ​vascular resistance 
B) vascular gradient 
C) pressure gradient 
D) pressure back flow 
E) ​vessel strength

Question 12

Where are the chemoreceptors located that are sensitive to low oxygen or high acid levels in the blood?

Accepted Answer

A) ​medulla in the brain stem 
B) right atrium 
C) carotid and aortic arteries 
D) apex of the heart 
E) ​vena cava 
A) ​medulla in the brain stem 
B) right atrium 
C) carotid and aortic arteries 
D) apex of the heart 
E) ​vena cava

Question 13

What are precapillary sphincters made of?

Accepted Answer

A) ​connective tissue 
B) elastin fibers 
C) collagen fibers 
D) endothelial cells 
E) ​a ring of smooth muscle cells 
A) ​connective tissue 
B) elastin fibers 
C) collagen fibers 
D) endothelial cells 
E) ​a ring of smooth muscle cells

Question 14

How many capillaries are within a human body?

Accepted Answer

A) ​between 100 to 250 million 
B) 750 million 
C) between 1 to 2.5 billion 
D) 5 billion 
E) ​between 10 to 40 billion 
A) ​between 100 to 250 million 
B) 750 million 
C) between 1 to 2.5 billion 
D) 5 billion 
E) ​between 10 to 40 billion

Question 15

Local physical influences on arteriolar radius include how much the vessel is __________,the extent of __________ stress,and local application of heat or cold.​

Accepted Answer

The answer of Local physical influences on arteriolar radius include...

Question 16

__________ veins occur when the venous valves become incompetent and can no longer support the column of blood above them.​

Accepted Answer

The answer of __________ veins occur when the venous valves...

Question 17

At resting heart rate,about 80% of the cardiac cycle is spent in systole and 20% in diastole.

Accepted Answer

A) True 
 B)False

Question 18

Vasodilation is associated with:

Accepted Answer

A) ​increased sympathetic nervous system stimulation 
B) increased carbon dioxide and nitric oxide levels 
C) increased oxygen levels and myogenic activity 
D) decreased nitric oxide levels and increased histamine release 
E) ​decreased carbon dioxide and myogenic activity 
A) ​increased sympathetic nervous system stimulation 
B) increased carbon dioxide and nitric oxide levels 
C) increased oxygen levels and myogenic activity 
D) decreased nitric oxide levels and increased histamine release 
E) ​decreased carbon dioxide and myogenic activity

Question 19

Figure 10-8
Use the figure above (Figure 10-8)to answer the corresponding questions.
  
-Which number in the figure represents the blood pressures experienced by the veins and venules?

Accepted Answer

A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5 
A) ​1 
B) 2 
C) 3 
D) 4 
E) ​5

Question 20

After only __________ minutes without O₂,permanent brain damage occurs.​

Accepted Answer

The answer of After only __________ minutes without O₂,permanent brain...

Describe short-term and long-term control measures of blood pressure.

Arteries carry blood from the organs towards the heart.

What part of the body doesn't have α1 receptors within its arterioles?

Vasoconstriction is associated with:

Secondary hypotension results from insufficient compensatory responses to the gravitational shifts in blood when a person moves from a horizontal to a vertical position.

Where does the extra fluid filtered out of the capillaries go?

At any point in time,what percentage of the body's total blood volume is within capillaries?

In the long term,blood volume depends on salt and water balance,which are hormonally controlled by the system and ,respectively.

Figure 10-8 Use the figure above (Figure 10-8)to answer the corresponding questions. -Which number in the figure represents the blood pressures experienced by the capillaries?

What is the mechanism called that pushes blood from the lower veins to the chest veins due to a pressure difference?

Flow rate of blood through a vessel is inversely proportional to:

Where are the chemoreceptors located that are sensitive to low oxygen or high acid levels in the blood?

What are precapillary sphincters made of?

How many capillaries are within a human body?

Local physical influences on arteriolar radius include how much the vessel is ,the extent of stress,and local application of heat or cold.

__________ veins occur when the venous valves become incompetent and can no longer support the column of blood above them.

At resting heart rate,about 80% of the cardiac cycle is spent in systole and 20% in diastole.

Vasodilation is associated with:

Figure 10-8 Use the figure above (Figure 10-8)to answer the corresponding questions. -Which number in the figure represents the blood pressures experienced by the veins and venules?

After only __________ minutes without O₂,permanent brain damage occurs.

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

Muscle Physiology

Cardiac Physiology

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

Exam 10: The Blood Vessels and Blood Pressure

Describe short-term and long-term control measures of blood pressure.

Arteries carry blood from the organs towards the heart.

What part of the body doesn't have α1 receptors within its arterioles?

Vasoconstriction is associated with:

Secondary hypotension results from insufficient compensatory responses to the gravitational shifts in blood when a person moves from a horizontal to a vertical position.

Where does the extra fluid filtered out of the capillaries go?

At any point in time,what percentage of the body's total blood volume is within capillaries?

In the long term,blood volume depends on salt and water balance,which are hormonally controlled by the __________ system and __________,respectively.​

Figure 10-8 Use the figure above (Figure 10-8)to answer the corresponding questions. -Which number in the figure represents the blood pressures experienced by the capillaries?

What is the mechanism called that pushes blood from the lower veins to the chest veins due to a pressure difference?

Flow rate of blood through a vessel is inversely proportional to:

Where are the chemoreceptors located that are sensitive to low oxygen or high acid levels in the blood?

What are precapillary sphincters made of?

How many capillaries are within a human body?

Local physical influences on arteriolar radius include how much the vessel is __________,the extent of __________ stress,and local application of heat or cold.​

__________ veins occur when the venous valves become incompetent and can no longer support the column of blood above them.​

At resting heart rate,about 80% of the cardiac cycle is spent in systole and 20% in diastole.

Vasodilation is associated with:

Figure 10-8 Use the figure above (Figure 10-8)to answer the corresponding questions. -Which number in the figure represents the blood pressures experienced by the veins and venules?

After only __________ minutes without O₂,permanent brain damage occurs.​

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

Muscle Physiology

Cardiac Physiology

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology - the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive Systembrad

Filters

In the long term,blood volume depends on salt and water balance,which are hormonally controlled by the system and ,respectively.

Local physical influences on arteriolar radius include how much the vessel is ,the extent of stress,and local application of heat or cold.

__________ veins occur when the venous valves become incompetent and can no longer support the column of blood above them.

After only __________ minutes without O₂,permanent brain damage occurs.