Question 1

In fetal circulation,what is the opening between the right and left atria called?

Accepted Answer

A) Ductus venousus 
B) Umbilicus 
C) Fossa ovalis 
D) Foramen ovale 
E) Ductus arteriosus 
A) Ductus venousus 
B) Umbilicus 
C) Fossa ovalis 
D) Foramen ovale 
E) Ductus arteriosus

Question 2

Which of the following types of blood vessels have high pulsing blood pressure?

Accepted Answer

A) arterioles 
B) capillaries 
C) venules 
D) veins 
E) vena cavae 
A) arterioles 
B) capillaries 
C) venules 
D) veins 
E) vena cavae

Question 3

Which vessel in the figure is labeled "D"?

Accepted Answer

A) accessory hemiazygos vein 
B) hemiazygos vein 
C) right renal vein 
D) right suprarenal vein 
E) pericardial vein 
A) accessory hemiazygos vein 
B) hemiazygos vein 
C) right renal vein 
D) right suprarenal vein 
E) pericardial vein

Question 4

When chemoreceptors in blood vessels detect high levels of carbon dioxide in the blood,they stimulate all of the following changes EXCEPT

Accepted Answer

A) increased vasoconstriction of arterioles. 
B) increased blood pressure. 
C) decreased respiratory rate. 
D) increased sympathetic stimulation of arterioles and veins. 
E) increased vasoconstriction of veins. 
A) increased vasoconstriction of arterioles. 
B) increased blood pressure. 
C) decreased respiratory rate. 
D) increased sympathetic stimulation of arterioles and veins. 
E) increased vasoconstriction of veins.

Question 5

The alternate route of blood flow to a body part through an anastomosis is called

Accepted Answer

A) a thoroughfare channel. 
B) a blood reservoir. 
C) a detour route. 
D) collateral circulation. 
E) microcirculation. 
A) a thoroughfare channel. 
B) a blood reservoir. 
C) a detour route. 
D) collateral circulation. 
E) microcirculation.

Question 6

All of the following changes are commonly observed in the cardiovascular system in response to aging EXCEPT

Accepted Answer

A) decreased cardiac output. 
B) increased compliance of the aorta. 
C) loss of cardiac muscle strength. 
D) decline in maximum heart rate. 
E) increased systolic blood pressure. 
A) decreased cardiac output. 
B) increased compliance of the aorta. 
C) loss of cardiac muscle strength. 
D) decline in maximum heart rate. 
E) increased systolic blood pressure.

Question 7

Which of the following blood vessels carries blood from the tissues back to the heart?

Accepted Answer

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

Question 8

Which of the following vessels is a pulse point found at the wrist?

Accepted Answer

A) Radial artery 
B) Subclavian artery 
C) Axillary artery 
D) Cephalic artery 
E) Palmar artery 
A) Radial artery 
B) Subclavian artery 
C) Axillary artery 
D) Cephalic artery 
E) Palmar artery

Question 9

Which type of blood vessel plays a key role in regulating blood flow into capillaries?

Accepted Answer

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

Question 10

Describe the route of an RBC traveling from the heart to the left elbow and back to the heart.

Accepted Answer

From the heart,the RBC will enter the as

Question 11

Describe the vessel wall characteristics of the five main types of blood vessels that blood travels through from the time it leaves the left ventricle until it returns to the right atrium.

Accepted Answer

Blood is carried away from the heart in

Question 12

The pulmonary trunk divides into

Accepted Answer

A) brachiocephalic trunk and left subclavian artery 
B) right and left subclavain arteries. 
C) right and left pulmonary veins. 
D) right and left pulmonary arteries. 
E) right and left common carotid arteries. 
A) brachiocephalic trunk and left subclavian artery 
B) right and left subclavain arteries. 
C) right and left pulmonary veins. 
D) right and left pulmonary arteries. 
E) right and left common carotid arteries.

Question 13

Which of the following structures are found in veins but NOT in arteries?

Accepted Answer

A) tunica externa 
B) tunica media 
C) tunica interna 
D) valve 
E) lumen 
A) tunica externa 
B) tunica media 
C) tunica interna 
D) valve 
E) lumen

Question 14

What is the main difference between the pulmonary and systemic circulations with respect to their autoregulatory response to changes in blood O2 level?

Accepted Answer

In systemic circulation,low O₂ causes dil

Question 15

Which of the following would be a normal response of the cardiovascular system to a decreased frequency of action potentials arising from the baroreceptors?

Accepted Answer

A) Increased systemic vascular resistance 
B) Increased parasympathetic stimulation 
C) Decreased heart rate 
D) Decreased stroke volume 
E) Decreased cardiac output 
A) Increased systemic vascular resistance 
B) Increased parasympathetic stimulation 
C) Decreased heart rate 
D) Decreased stroke volume 
E) Decreased cardiac output

Question 16

Which of the following characteristics of blood depends mostly on the ratio of RBCs to plasma volume?

Accepted Answer

A) total blood volume 
B) blood viscosity 
C) venous return 
D) clotting time 
E) immunoglobulin profile 
A) total blood volume 
B) blood viscosity 
C) venous return 
D) clotting time 
E) immunoglobulin profile

Question 17

When an artery or arteriole is damaged,its smooth muscle layer contracts producing

Accepted Answer

A) tear in the vessel. 
B) new vessel branching off the artery or arteriole. 
C) a vascular spasm. 
D) tetanus. 
E) increased blood flow to the damaged vessel. 
A) tear in the vessel. 
B) new vessel branching off the artery or arteriole. 
C) a vascular spasm. 
D) tetanus. 
E) increased blood flow to the damaged vessel.

Question 18

Which of the capillaries shown in the figure has an incomplete or absent basement membrane?

Accepted Answer

A) A 
B) B 
C) C 
D) A and B 
E) A,B,and C 
A) A 
B) B 
C) C 
D) A and B 
E) A,B,and C

Question 19

The volume of blood that circulates through the systemic (or pulmonary)blood vessels per minute is called

Accepted Answer

A) stroke volume. 
B) tidal volume. 
C) cardiac output. 
D) cardiac reserve. 
E) total peripheral resistance. 
A) stroke volume. 
B) tidal volume. 
C) cardiac output. 
D) cardiac reserve. 
E) total peripheral resistance.

Question 20

Which vessel in the figure is labeled "C"?

Accepted Answer

A) left femoral vein 
B) left great saphenous vein 
C) left popliteal vein 
D) left anterior tibial vein 
E) left fibular vein 
A) left femoral vein 
B) left great saphenous vein 
C) left popliteal vein 
D) left anterior tibial vein 
E) left fibular vein

Exam 21: The Cardiovascular System: Blood Vessels and Hemodynamics

In fetal circulation,what is the opening between the right and left atria called?

Which of the following types of blood vessels have high pulsing blood pressure?

Which vessel in the figure is labeled "D"?

When chemoreceptors in blood vessels detect high levels of carbon dioxide in the blood,they stimulate all of the following changes EXCEPT

The alternate route of blood flow to a body part through an anastomosis is called

All of the following changes are commonly observed in the cardiovascular system in response to aging EXCEPT

Which of the following blood vessels carries blood from the tissues back to the heart?

Which of the following vessels is a pulse point found at the wrist?

Which type of blood vessel plays a key role in regulating blood flow into capillaries?

Describe the route of an RBC traveling from the heart to the left elbow and back to the heart.

Describe the vessel wall characteristics of the five main types of blood vessels that blood travels through from the time it leaves the left ventricle until it returns to the right atrium.

The pulmonary trunk divides into

Which of the following structures are found in veins but NOT in arteries?

What is the main difference between the pulmonary and systemic circulations with respect to their autoregulatory response to changes in blood O2 level?

Which of the following would be a normal response of the cardiovascular system to a decreased frequency of action potentials arising from the baroreceptors?

Which of the following characteristics of blood depends mostly on the ratio of RBCs to plasma volume?

When an artery or arteriole is damaged,its smooth muscle layer contracts producing

Which of the capillaries shown in the figure has an incomplete or absent basement membrane?

The volume of blood that circulates through the systemic (or pulmonary)blood vessels per minute is called

Which vessel in the figure is labeled "C"?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System Unit Ii: Principles of Support and Movement

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System Unit Iii: Control Systems of the Human Body

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System Unit Iv: Maintenance of the Human Body

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Respiratory System

The Digestive System

Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity

The Reproductive Systems

Development and Inheritance

Filters

What is the main difference between the pulmonary and systemic circulations with respect to their autoregulatory response to changes in blood O₂ level?