Question 1

All of these arteries are branches of the thoracic aorta except the:

Accepted Answer

A) intercostal arteries 
B) hepatic artery 
C) esophageal arteries 
D) bronchial arteries 
A) intercostal arteries 
B) hepatic artery 
C) esophageal arteries 
D) bronchial arteries

Question 2

Put the parts of the aorta in the proper sequence,beginning at the left ventricle:1.abdominal aorta2.aortic arch3.ascending aorta4.thoracic aorta
1. abdominal aorta
2. aortic arch
3. ascending aorta
4. thoracic aorta

Accepted Answer

A) 3,2,4,1 
B) 2,3,1,4 
C) 4,3,1,2 
D) 1,4,2,3 
A) 3,2,4,1 
B) 2,3,1,4 
C) 4,3,1,2 
D) 1,4,2,3

Question 3

The layer in the wall of an artery that prevents rupture of the artery is the:

Accepted Answer

A) outer layer of fibrous connective tissue 
B) simple squamous epithelial lining 
C) middle layer of smooth muscle and elastic connective tissue 
D) smooth muscle lining 
A) outer layer of fibrous connective tissue 
B) simple squamous epithelial lining 
C) middle layer of smooth muscle and elastic connective tissue 
D) smooth muscle lining

Question 4

The function of valves in veins is to:

Accepted Answer

A) help pump blood 
B) keep the blood moving 
C) prevent blood from flowing too fast 
D) prevent backflow of blood 
A) help pump blood 
B) keep the blood moving 
C) prevent blood from flowing too fast 
D) prevent backflow of blood

Question 5

During exercise,blood flow to the digestive tract will:

Accepted Answer

A) increase 
B) decrease 
C) remain the same 
D) be unpredictable 
A) increase 
B) decrease 
C) remain the same 
D) be unpredictable

Question 6

Velocity of blood flow is slowest in the:

Accepted Answer

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

Question 7

When vasodilation is needed to lower BP,the arteries receive:

Accepted Answer

A) more parasympathetic impulses 
B) fewer parasympathetic impulses 
C) more sympathetic impulses 
D) fewer sympathetic impulses 
A) more parasympathetic impulses 
B) fewer parasympathetic impulses 
C) more sympathetic impulses 
D) fewer sympathetic impulses

Question 8

The layer in the wall of a vein that is folded into valves is the:

Accepted Answer

A) lining 
B) middle layer 
C) outer layer 
D) smooth muscle layer 
A) lining 
B) middle layer 
C) outer layer 
D) smooth muscle layer

Question 9

Which statement is NOT true of capillaries?

Accepted Answer

A) They are made of simple squamous epithelium that is thin. 
B) Their function is to exchange materials between the blood and the tissue fluid (or cells). 
C) Gases are exchanged by the process of osmosis. 
D) They are found in networks in most tissues. 
A) They are made of simple squamous epithelium that is thin. 
B) Their function is to exchange materials between the blood and the tissue fluid (or cells). 
C) Gases are exchanged by the process of osmosis. 
D) They are found in networks in most tissues.

Question 10

The effect of the hormone ANP on blood pressure is to:

Accepted Answer

A) raise it by causing vasoconstriction 
B) lower it by decreasing blood volume 
C) raise it by increasing blood volume 
D) lower it by causing vasodilation 
A) raise it by causing vasoconstriction 
B) lower it by decreasing blood volume 
C) raise it by increasing blood volume 
D) lower it by causing vasodilation

Question 11

Which of these is NOT a compensating mechanism following a small loss of blood?

Accepted Answer

A) greater vasodilation 
B) greater vasoconstriction 
C) increased heart rate 
D) decreased urinary output 
A) greater vasodilation 
B) greater vasoconstriction 
C) increased heart rate 
D) decreased urinary output

Question 12

The fetal structure that permits blood to flow from the right atrium to the left atrium is the:

Accepted Answer

A) foramen ovale 
B) ductus arteriosus 
C) ductus venosus 
D) foramen magnum 
A) foramen ovale 
B) ductus arteriosus 
C) ductus venosus 
D) foramen magnum

Question 13

In the fetus,the foramen ovale permits blood to flow:

Accepted Answer

A) from the right atrium to the left atrium 
B) from the left atrium to the right atrium 
C) from the right ventricle to the left ventricle 
D) from the left ventricle to the right ventricle 
A) from the right atrium to the left atrium 
B) from the left atrium to the right atrium 
C) from the right ventricle to the left ventricle 
D) from the left ventricle to the right ventricle

Question 14

The hormone that raises blood pressure by increasing the reabsorption of water by the kidneys is:

Accepted Answer

A) epinephrine 
B) ANP 
C) ADH 
D) norepinephrine 
A) epinephrine 
B) ANP 
C) ADH 
D) norepinephrine

Question 15

During exercise,blood flow to the brain will:

Accepted Answer

A) increase 
B) decrease 
C) remain the same 
D) be unpredictable 
A) increase 
B) decrease 
C) remain the same 
D) be unpredictable

Question 16

The effect of the hormone ADH on blood pressure is to:

Accepted Answer

A) raise it by increasing blood volume 
B) lower it by decreasing blood volume 
C) lower it by causing vasoconstriction 
D) raise it by causing vasodilation 
A) raise it by increasing blood volume 
B) lower it by decreasing blood volume 
C) lower it by causing vasoconstriction 
D) raise it by causing vasodilation

Question 17

An anastomosis in the vascular system is a connection between:

Accepted Answer

A) two arteries or two veins 
B) two capillaries 
C) arteries and capillaries 
D) veins and capillaries 
A) two arteries or two veins 
B) two capillaries 
C) arteries and capillaries 
D) veins and capillaries

Question 18

Velocity of blood flow is inversely related to the:

Accepted Answer

A) need for oxygen in tissues 
B) length of the part of the vascular system 
C) need for nutrients in tissues 
D) cross-sectional area of the part of the vascular system 
A) need for oxygen in tissues 
B) length of the part of the vascular system 
C) need for nutrients in tissues 
D) cross-sectional area of the part of the vascular system

Question 19

The purpose of hepatic portal circulation is to enable the liver to:

Accepted Answer

A) regulate blood pressure by increasing it 
B) remove waste products from the blood and excrete them in urine 
C) increase venous return to the heart 
D) regulate blood levels of nutrients and other substances 
A) regulate blood pressure by increasing it 
B) remove waste products from the blood and excrete them in urine 
C) increase venous return to the heart 
D) regulate blood levels of nutrients and other substances

Question 20

In fetal circulation,most blood bypasses the fetal lungs by way of the:

Accepted Answer

A) foramen ovale and ductus venosus 
B) ductus venosus and umbilical vein 
C) umbilical vein and ductus arteriosus 
D) ductus arteriosus and foramen ovale 
A) foramen ovale and ductus venosus 
B) ductus venosus and umbilical vein 
C) umbilical vein and ductus arteriosus 
D) ductus arteriosus and foramen ovale

Exam 14:The Vascular System-Part C

All of these arteries are branches of the thoracic aorta except the:

Put the parts of the aorta in the proper sequence,beginning at the left ventricle:1.abdominal aorta2.aortic arch3.ascending aorta4.thoracic aorta 1. abdominal aorta 2. aortic arch 3. ascending aorta 4. thoracic aorta

The layer in the wall of an artery that prevents rupture of the artery is the:

The function of valves in veins is to:

During exercise,blood flow to the digestive tract will:

Velocity of blood flow is slowest in the:

When vasodilation is needed to lower BP,the arteries receive:

The layer in the wall of a vein that is folded into valves is the:

Which statement is NOT true of capillaries?

The effect of the hormone ANP on blood pressure is to:

Which of these is NOT a compensating mechanism following a small loss of blood?

The fetal structure that permits blood to flow from the right atrium to the left atrium is the:

In the fetus,the foramen ovale permits blood to flow:

The hormone that raises blood pressure by increasing the reabsorption of water by the kidneys is:

During exercise,blood flow to the brain will:

The effect of the hormone ADH on blood pressure is to:

An anastomosis in the vascular system is a connection between:

Velocity of blood flow is inversely related to the:

The purpose of hepatic portal circulation is to enable the liver to:

In fetal circulation,most blood bypasses the fetal lungs by way of the:

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C