Question 1

If the arterial blood pressure is recorded at 132/84, what is the mean arterial pressure?

Accepted Answer

A) 100 mm Hg 
B) 93 mm Hg 
C) 108 mm Hg 
D) 48 mm Hg 
E) none of these 
A) 100 mm Hg 
B) 93 mm Hg 
C) 108 mm Hg 
D) 48 mm Hg 
E) none of these

Question 2

Which vessels can act as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume?

Accepted Answer

A) lymph vessels 
B) arterioles 
C) capillaries 
D) veins 
E) lymph vessels and veins 
A) lymph vessels 
B) arterioles 
C) capillaries 
D) veins 
E) lymph vessels and veins

Question 3

As resistance increases, the flow of blood increases if the pressure is constant.

Accepted Answer

A) True 
 B)False

Question 4

Vasoconstriction refers to a decrease in the radius of a vessel.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following factors would produce the greatest change 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 
E) Halving the viscosity of the blood 
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 
E) Halving the viscosity of the blood

Question 6

More blood is delivered to the tissues during ventricular systole than during ventricular diastole.

Accepted Answer

A) True 
 B)False

Question 7

Mean arterial pressure is:

Accepted Answer

A) diastolic pressure + (systolic/3) 
B) systolic pressure + (pulse pressure/3) 
C) diastolic pressure + (pulse pressure/3) 
D) pulse pressure - (diastolic pressure/3) 
E) pulse pressure + (systolic pressure/3) 
A) diastolic pressure + (systolic/3) 
B) systolic pressure + (pulse pressure/3) 
C) diastolic pressure + (pulse pressure/3) 
D) pulse pressure - (diastolic pressure/3) 
E) pulse pressure + (systolic pressure/3)

Question 8

Arterioles in which of the following receive stimulation from parasympathetic neurons?

Accepted Answer

A) liver 
B) kidney 
C) brain 
D) heart 
E) clitoris 
A) liver 
B) kidney 
C) brain 
D) heart 
E) clitoris

Question 9

Through which vessel is the velocity of blood flow the slowest?

Accepted Answer

A) aorta 
B) arterioles 
C) capillaries 
D) venules 
E) veins 
A) aorta 
B) arterioles 
C) capillaries 
D) venules 
E) veins

If the arterial blood pressure is recorded at 132/84, what is the mean arterial pressure?

Which vessels can act as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume?

As resistance increases, the flow of blood increases if the pressure is constant.

Vasoconstriction refers to a decrease in the radius of a vessel.

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

More blood is delivered to the tissues during ventricular systole than during ventricular diastole.

Mean arterial pressure is:

Arterioles in which of the following receive stimulation from parasympathetic neurons?

Through which vessel is the velocity of blood flow the slowest?

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 System

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Exam 10: The Blood Vessels and Blood Pressure

If the arterial blood pressure is recorded at 132/84, what is the mean arterial pressure?

Which vessels can act as a blood reservoir by adjusting their total capacity to accommodate variations in blood volume?

As resistance increases, the flow of blood increases if the pressure is constant.

Vasoconstriction refers to a decrease in the radius of a vessel.

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

More blood is delivered to the tissues during ventricular systole than during ventricular diastole.

Mean arterial pressure is:

Arterioles in which of the following receive stimulation from parasympathetic neurons?

Through which vessel is the velocity of blood flow the slowest?

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 System

Filters