Question 1

The pressure difference between the base of the aorta and the right atrium is the ________.

Accepted Answer

circulator

Question 2

________ form elaborate networks within tissues that allow very slow blood flow.(Note: Be sure to capitalize the first letter of your answer).

Accepted Answer

The answer of ________ form elaborate networks within tissues that...

Question 3

Edema may occur when

Accepted Answer

A) the plasma concentration of protein is reduced. 
B) endothelial permeability goes up. 
C) capillary hydrostatic pressure is elevated. 
D) blood pressure is high. 
E) All of the answers are correct. 
A) the plasma concentration of protein is reduced. 
B) endothelial permeability goes up. 
C) capillary hydrostatic pressure is elevated. 
D) blood pressure is high. 
E) All of the answers are correct.

Question 4

The blood vessel that branches from the subclavian artery to supply the anterior wall of the chest is the ________.

Accepted Answer

internal t

Question 5

The smallest arterial branches are called the

Accepted Answer

A) precapillary arterioles. 
B) arterioles. 
C) capillaries. 
D) venules. 
E) veins. 
A) precapillary arterioles. 
B) arterioles. 
C) capillaries. 
D) venules. 
E) veins.

Question 6

Figure 21-2 Veins
Use Figure 21-2 to answer the following question:
-Identify the vein labeled "15."

Accepted Answer

A) axillary 
B) brachial 
C) radial 
D) basilic 
E) ulnar 
A) axillary 
B) brachial 
C) radial 
D) basilic 
E) ulnar

Question 7

When renin is released from the kidney,

Accepted Answer

A) angiotensin I is converted to angiotensin II. 
B) angiotensinogen is converted into angiotensin I. 
C) angiotensin I increases salt reabsorption at the kidneys. 
D) blood pressure goes down. 
E) blood flow to the kidneys decreases. 
A) angiotensin I is converted to angiotensin II. 
B) angiotensinogen is converted into angiotensin I. 
C) angiotensin I increases salt reabsorption at the kidneys. 
D) blood pressure goes down. 
E) blood flow to the kidneys decreases.

Question 8

The layer between the tunica media and the tunica externa in a large artery is the

Accepted Answer

A) tunica intima. 
B) external elastic membrane. 
C) tunica media. 
D) internal elastic membrane. 
E) tunica externa. 
A) tunica intima. 
B) external elastic membrane. 
C) tunica media. 
D) internal elastic membrane. 
E) tunica externa.

Question 9

Which of the following conditions is least likely to lead to renin release?

Accepted Answer

A) renal artery thrombus 
B) vasospasm of the renal arteries 
C) circulatory shock 
D) increased sympathetic activity 
E) hypertension 
A) renal artery thrombus 
B) vasospasm of the renal arteries 
C) circulatory shock 
D) increased sympathetic activity 
E) hypertension

Question 10

Increased levels of carbon dioxide in the blood will result in decreased

Accepted Answer

A) heart rate. 
B) cardiac output. 
C) blood flow to the lungs. 
D) parasympathetic stimulation of the heart. 
E) sympathetic stimulation of the heart. 
A) heart rate. 
B) cardiac output. 
C) blood flow to the lungs. 
D) parasympathetic stimulation of the heart. 
E) sympathetic stimulation of the heart.

Question 11

During exercise

Accepted Answer

A) venous return increases. 
B) both cardiac output and stroke volume increase. 
C) vasodilation occurs at the active skeletal muscles. 
D) venous return increases and vasodilation occurs at the active skeletal muscles. 
E) All of the answers are correct. 
A) venous return increases. 
B) both cardiac output and stroke volume increase. 
C) vasodilation occurs at the active skeletal muscles. 
D) venous return increases and vasodilation occurs at the active skeletal muscles. 
E) All of the answers are correct.

Question 12

________ conduct fluid from the interstitial space back to the venous system.(Note: Be sure to capitalize the first letter of your answer).

Accepted Answer

The answer of ________ conduct fluid from the interstitial space...

Question 13

Averaged over a few heartbeats,venous return is ________ cardiac output.

Accepted Answer

A) much higher than 
B) somewhat higher than 
C) equal to 
D) somewhat lower than 
E) much lower than 
A) much higher than 
B) somewhat higher than 
C) equal to 
D) somewhat lower than 
E) much lower than

Question 14

The term ________ refers to the pressure in the arterial side of the circulatory system.

Accepted Answer

The answer of The term ________ refers to the pressure...

Question 15

The blood vessel that supplies blood to the brain from the anterior direction is the ________.

Accepted Answer

internal c

Question 16

Which of the following is the innermost layer of a blood vessel?

Accepted Answer

A) tunica intima 
B) external elastic membrane 
C) tunica media 
D) internal elastic membrane 
E) tunica externa 
A) tunica intima 
B) external elastic membrane 
C) tunica media 
D) internal elastic membrane 
E) tunica externa

Question 17

Which of these contributes to the formation of the popliteal vein?

Accepted Answer

A) internal iliac 
B) small saphenous and great saphenous 
C) anterior and posterior tibial and fibular 
D) peroneal and popliteal 
E) great saphenous and posterior tibial 
A) internal iliac 
B) small saphenous and great saphenous 
C) anterior and posterior tibial and fibular 
D) peroneal and popliteal 
E) great saphenous and posterior tibial

Question 18

Blood from the brain is drained by the ________.

Accepted Answer

internal j

Question 19

The inferior vena cava is classified as a(n)

Accepted Answer

A) large vein. 
B) venule. 
C) medium vein. 
D) arteriovenule. 
E) venous valve. 
A) large vein. 
B) venule. 
C) medium vein. 
D) arteriovenule. 
E) venous valve.

Question 20

Which of the following changes doesn't occur during exercise compared to rest?

Accepted Answer

A) cardiac output is higher 
B) heart blood flow is higher 
C) skin blood flow is lower 
D) abdominal viscera blood flow is lower 
E) kidney blood flow is lower 
A) cardiac output is higher 
B) heart blood flow is higher 
C) skin blood flow is lower 
D) abdominal viscera blood flow is lower 
E) kidney blood flow is lower

Exam 21: Blood Vessels and Circulation

The pressure difference between the base of the aorta and the right atrium is the ________.

________ form elaborate networks within tissues that allow very slow blood flow.(Note: Be sure to capitalize the first letter of your answer).

Edema may occur when

The blood vessel that branches from the subclavian artery to supply the anterior wall of the chest is the ________.

The smallest arterial branches are called the

Figure 21-2 Veins Use Figure 21-2 to answer the following question: -Identify the vein labeled "15."

When renin is released from the kidney,

The layer between the tunica media and the tunica externa in a large artery is the

Which of the following conditions is least likely to lead to renin release?

Increased levels of carbon dioxide in the blood will result in decreased

During exercise

________ conduct fluid from the interstitial space back to the venous system.(Note: Be sure to capitalize the first letter of your answer).

Averaged over a few heartbeats,venous return is ________ cardiac output.

The term ________ refers to the pressure in the arterial side of the circulatory system.

The blood vessel that supplies blood to the brain from the anterior direction is the ________.

Which of the following is the innermost layer of a blood vessel?

Which of these contributes to the formation of the popliteal vein?

Blood from the brain is drained by the ________.

The inferior vena cava is classified as a(n)

Which of the following changes doesn't occur during exercise compared to rest?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters