Question 1

If the diastolic pressure and systolic pressure were both increased by18,then the pulse pressure would also be increased by19.

Accepted Answer

A) True 
 B)False

Question 2

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

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

Where are the receptors that detect changes in the blood pressure?

Accepted Answer

A)  carotid sinus 
B)  spinal cord 
C)  hypothalamus 
D)  medulla 
A)  carotid sinus 
B)  spinal cord 
C)  hypothalamus 
D)  medulla

Question 4

Glucose is actively transported across the capillary walls.

Accepted Answer

A) True 
 B)False

Question 5

Endothelin causes arteriolar smooth muscle contraction.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following factors does NOT promote the function of the capillaries?

Accepted Answer

A)  a blood pressure forcing fluid out of these vessels 
B)  a small total surface area 
C)  an osmotic pressure drawing fluid into these vessels 
D)  pores in the endothelial wall 
A)  a blood pressure forcing fluid out of these vessels 
B)  a small total surface area 
C)  an osmotic pressure drawing fluid into these vessels 
D)  pores in the endothelial wall

Question 7

Organs that recondition the blood normally receive considerably more of the cardiac output than is necessary to meet their metabolic needs.

Accepted Answer

A) True 
 B)False

Question 8

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 diastolic 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 9

Choose the appropriate letter from the answer code to make the statement correct.
-Decreased O₂,increased CO₂,increased acid,and increased K⁺ concentrations in a skeletal muscle ____________________ the radius of the arterioles supplying this skeletal muscle.

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 10

When does vascular resistance increase?

Accepted Answer

A)  when radius decreases 
B)  when length decreases 
C)  when viscosity decreases 
D)  when haematocrit decreases 
A)  when radius decreases 
B)  when length decreases 
C)  when viscosity decreases 
D)  when haematocrit decreases

Question 11

Arteries ensure that blood constantly flows due to contraction of its smooth muscle layer.

Accepted Answer

A) True 
 B)False

Question 12

What does microcirculation comprise?

Accepted Answer

A)  arteries, arterioles, and capillaries 
B)  arterioles, capillaries, and venules 
C)  arteries, capillaries, and venules 
D)  arteries, arterioles, and venules 
A)  arteries, arterioles, and capillaries 
B)  arterioles, capillaries, and venules 
C)  arteries, capillaries, and venules 
D)  arteries, arterioles, and venules

Question 13

Which of the following conditions might be NOT associated with edema?

Accepted Answer

A)  extensive burns 
B)  congestive heart failure 
C)  decreased venous pressure 
D)  lymphatic obstruction 
A)  extensive burns 
B)  congestive heart failure 
C)  decreased venous pressure 
D)  lymphatic obstruction

Question 14

What haemodynamic changes occur when an individual goes from a resting state to an active state?

Accepted Answer

The answer of What haemodynamic changes occur when an individual...

Question 15

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 16

Which are the two determinants of mean arterial pressure?

Accepted Answer

A)  stroke volume, compliance of vessel walls. 
B)  heart rate, stroke volume. 
C)  heart rate, end-diastolic volume. 
D)  cardiac output, total peripheral resistance. 
A)  stroke volume, compliance of vessel walls. 
B)  heart rate, stroke volume. 
C)  heart rate, end-diastolic volume. 
D)  cardiac output, total peripheral resistance.

Question 17

If arterial pressure is elevated,which responses do baroreceptor signals trigger?

Accepted Answer

A)  a fall in plasma angiotensin II levels 
B)  increased activity in sympathetic nerves causing peripheral vasoconstriction 
C)  an increase in epinephrine secretion from adrenal medulla 
D)  increased total peripheral resistance 
A)  a fall in plasma angiotensin II levels 
B)  increased activity in sympathetic nerves causing peripheral vasoconstriction 
C)  an increase in epinephrine secretion from adrenal medulla 
D)  increased total peripheral resistance

Question 18

What is the pressure measured in the arteries just before the next ventricular ejection of blood?

Accepted Answer

A)  systolic pressure 
B)  diastolic pressure 
C)  pulse pressure 
D)  mean pressure 
A)  systolic pressure 
B)  diastolic pressure 
C)  pulse pressure 
D)  mean pressure

Question 19

The receptors for the baroreceptor reflex are located in the ____________________ and ____________________,whereas the integrating centre is the ____________________ located in the ____________________.The efferent pathway for this reflex is the ____________________.The effector organs are the ____________________ and ____________________.

Accepted Answer

carotid sinus,aortic arch,cardiovascular

Question 20

Choose the appropriate letter from the answer code to make the statement correct.
-Decreased stroke volume ____________________ heart rate.

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

If the diastolic pressure and systolic pressure were both increased by18,then the pulse pressure would also be increased by19.

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

Where are the receptors that detect changes in the blood pressure?

Glucose is actively transported across the capillary walls.

Endothelin causes arteriolar smooth muscle contraction.

Which of the following factors does NOT promote the function of the capillaries?

Organs that recondition the blood normally receive considerably more of the cardiac output than is necessary to meet their metabolic needs.

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 diastolic pressure?

Choose the appropriate letter from the answer code to make the statement correct. -Decreased O₂,increased CO₂,increased acid,and increased K⁺ concentrations in a skeletal muscle ____________________ the radius of the arterioles supplying this skeletal muscle.

When does vascular resistance increase?

Arteries ensure that blood constantly flows due to contraction of its smooth muscle layer.

What does microcirculation comprise?

Which of the following conditions might be NOT associated with edema?

What haemodynamic changes occur when an individual goes from a resting state to an active state?

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

Which are the two determinants of mean arterial pressure?

If arterial pressure is elevated,which responses do baroreceptor signals trigger?

What is the pressure measured in the arteries just before the next ventricular ejection of blood?

The receptors for the baroreceptor reflex are located in the and ,whereas the integrating centre is the located in the .The efferent pathway for this reflex is the .The effector organs are the and .

Choose the appropriate letter from the answer code to make the statement correct. -Decreased stroke volume ____________________ heart rate.

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

If the diastolic pressure and systolic pressure were both increased by18,then the pulse pressure would also be increased by19.

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

Where are the receptors that detect changes in the blood pressure?

Glucose is actively transported across the capillary walls.

Endothelin causes arteriolar smooth muscle contraction.

Which of the following factors does NOT promote the function of the capillaries?

Organs that recondition the blood normally receive considerably more of the cardiac output than is necessary to meet their metabolic needs.

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 diastolic pressure?

Choose the appropriate letter from the answer code to make the statement correct. -Decreased O₂,increased CO₂,increased acid,and increased K⁺ concentrations in a skeletal muscle ____________________ the radius of the arterioles supplying this skeletal muscle.

When does vascular resistance increase?

Arteries ensure that blood constantly flows due to contraction of its smooth muscle layer.

What does microcirculation comprise?

Which of the following conditions might be NOT associated with edema?

What haemodynamic changes occur when an individual goes from a resting state to an active state?

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

Which are the two determinants of mean arterial pressure?

If arterial pressure is elevated,which responses do baroreceptor signals trigger?

What is the pressure measured in the arteries just before the next ventricular ejection of blood?

Choose the appropriate letter from the answer code to make the statement correct. -Decreased stroke volume ____________________ heart rate.

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