Question 1

Figure 21-1 Arteries
Use Figure 21-1 to answer the following question:
-Identify the artery labeled "12."

Accepted Answer

A) axillary 
B) inferior mesenteric 
C) celiac trunk 
D) superior mesenteric 
E) splenic 
A) axillary 
B) inferior mesenteric 
C) celiac trunk 
D) superior mesenteric 
E) splenic

Question 2

Which of the following are characteristics of cardiovascular regulation?

Accepted Answer

A) blood flow through tissues meets the demand for oxygen 
B) blood flow changes to match tissue responses 
C) changes occur without drastically altering blood pressure 
D) blood flow through tissues meets the demand for nutrients 
E) All of the answers are correct. 
A) blood flow through tissues meets the demand for oxygen 
B) blood flow changes to match tissue responses 
C) changes occur without drastically altering blood pressure 
D) blood flow through tissues meets the demand for nutrients 
E) All of the answers are correct.

Question 3

Homeostatic mechanisms in response to blood loss include all of the following,except

Accepted Answer

A) uptake of interstitial fluid due to reduced capillary pressure. 
B) inhibition of EPO secretion. 
C) activation of ADH secretion. 
D) activation of aldosterone secretion. 
E) increased thirst and water intake. 
A) uptake of interstitial fluid due to reduced capillary pressure. 
B) inhibition of EPO secretion. 
C) activation of ADH secretion. 
D) activation of aldosterone secretion. 
E) increased thirst and water intake.

Question 4

Which of the following affects blood flow through the body?

Accepted Answer

A) blood viscosity 
B) vessel diameter 
C) turbulence 
D) vascular resistance 
E) All of the answers are correct. 
A) blood viscosity 
B) vessel diameter 
C) turbulence 
D) vascular resistance 
E) All of the answers are correct.

Question 5

The common carotid artery divides to form the ________ and ________ carotid arteries.

Accepted Answer

The answer of The common carotid artery divides to form...

Question 6

Which of the following opposes the flow of blood back to the heart?

Accepted Answer

A) vascular resistance 
B) peripheral veins have valves to prevent backflow of blood 
C) muscular pumps squeeze veins and move blood toward the heart 
D) blood pressure 
E) blood pressure gradient from arteries to veins 
A) vascular resistance 
B) peripheral veins have valves to prevent backflow of blood 
C) muscular pumps squeeze veins and move blood toward the heart 
D) blood pressure 
E) blood pressure gradient from arteries to veins

Question 7

The lower part of the large intestine including the rectum receives blood from the ________.

Accepted Answer

inferior m

Question 8

Venoconstriction ________ the amount of blood within the venous system,which ________ the volume in the arterial and capillary systems.

Accepted Answer

A) doubles; decreases 
B) reduces; increases 
C) decreases; doubles 
D) increases; reduces 
E) reduces; reduces 
A) doubles; decreases 
B) reduces; increases 
C) decreases; doubles 
D) increases; reduces 
E) reduces; reduces

Question 9

Which of the following layers of a vessel contains collagen fibers with scattered bands of elastic fibers?

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 10

Blood pressure increases with all of the following,except increased

Accepted Answer

A) cardiac output. 
B) peripheral resistance. 
C) blood volume. 
D) parasympathetic innervation. 
E) force of cardiac contraction. 
A) cardiac output. 
B) peripheral resistance. 
C) blood volume. 
D) parasympathetic innervation. 
E) force of cardiac contraction.

Question 11

Capillaries that have a complete lining are called

Accepted Answer

A) continuous capillaries. 
B) fenestrated capillaries. 
C) sinusoidal capillaries. 
D) sinusoids. 
E) vasa vasorum. 
A) continuous capillaries. 
B) fenestrated capillaries. 
C) sinusoidal capillaries. 
D) sinusoids. 
E) vasa vasorum.

Question 12

The blood vessel that supplies blood to the head and neck is the ________.

Accepted Answer

common car

Question 13

Some of the fluid that is forced out of capillaries is returned to the blood by the:

Accepted Answer

A) muscular arteries 
B) liver 
C) hepatic portal vein 
D) venules 
E) lymphatic system 
A) muscular arteries 
B) liver 
C) hepatic portal vein 
D) venules 
E) lymphatic system

Question 14

Stimulation of the aortic baroreceptors reflexively results in

Accepted Answer

A) stimulation of the cardioaccelerator center in the brain. 
B) increased sympathetic stimulation of the heart. 
C) increased activity by the parasympathetic nervous system. 
D) stimulation of the vasoconstrictive center. 
E) increased heart rate. 
A) stimulation of the cardioaccelerator center in the brain. 
B) increased sympathetic stimulation of the heart. 
C) increased activity by the parasympathetic nervous system. 
D) stimulation of the vasoconstrictive center. 
E) increased heart rate.

Question 15

An important artery that supplies blood to the brain is the ________ artery.

Accepted Answer

A) internal carotid 
B) external carotid 
C) mental 
D) azygos 
E) maxillary 
A) internal carotid 
B) external carotid 
C) mental 
D) azygos 
E) maxillary

Question 16

The blood vessels that supply blood to structures within the mediastinum other than the heart and pericardium are the ________.

Accepted Answer

mediastina

Question 17

In comparison to a vessel with a large diameter,a vessel with a small diameter has

Accepted Answer

A) less resistance to blood flow. 
B) the same amount of pressure as resistance. 
C) a greater resistance to blood flow. 
D) a higher blood pressure. 
E) a greater blood flow. 
A) less resistance to blood flow. 
B) the same amount of pressure as resistance. 
C) a greater resistance to blood flow. 
D) a higher blood pressure. 
E) a greater blood flow.

Question 18

Figure 21-1 Arteries
Use Figure 21-1 to answer the following question:
-Identify the artery labeled "1."

Accepted Answer

A) axillary 
B) brachiocephalic 
C) common carotid 
D) aorta 
E) brachial 
A) axillary 
B) brachiocephalic 
C) common carotid 
D) aorta 
E) brachial

Question 19

After blood leaves the capillaries,it enters the

Accepted Answer

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

Question 20

Blood from the brain returns to the heart through the ________ vein.

Accepted Answer

A) vertebral 
B) azygos 
C) innominate 
D) internal jugular 
E) external jugular 
A) vertebral 
B) azygos 
C) innominate 
D) internal jugular 
E) external jugular

Exam 21: Blood Vessels and Circulation

Figure 21-1 Arteries Use Figure 21-1 to answer the following question: -Identify the artery labeled "12."

Which of the following are characteristics of cardiovascular regulation?

Homeostatic mechanisms in response to blood loss include all of the following,except

Which of the following affects blood flow through the body?

The common carotid artery divides to form the ________ and ________ carotid arteries.

Which of the following opposes the flow of blood back to the heart?

The lower part of the large intestine including the rectum receives blood from the ________.

Venoconstriction ________ the amount of blood within the venous system,which ________ the volume in the arterial and capillary systems.

Which of the following layers of a vessel contains collagen fibers with scattered bands of elastic fibers?

Blood pressure increases with all of the following,except increased

Capillaries that have a complete lining are called

The blood vessel that supplies blood to the head and neck is the ________.

Some of the fluid that is forced out of capillaries is returned to the blood by the:

Stimulation of the aortic baroreceptors reflexively results in

An important artery that supplies blood to the brain is the ________ artery.

The blood vessels that supply blood to structures within the mediastinum other than the heart and pericardium are the ________.

In comparison to a vessel with a large diameter,a vessel with a small diameter has

Figure 21-1 Arteries Use Figure 21-1 to answer the following question: -Identify the artery labeled "1."

After blood leaves the capillaries,it enters the

Blood from the brain returns to the heart through the ________ vein.

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

The common carotid artery divides to form the and carotid arteries.

Venoconstriction the amount of blood within the venous system,which the volume in the arterial and capillary systems.