Question 1

Slow blood flow is important to:

Accepted Answer

A) allow time for exchanges in capillaries 
B) prevent abnormal clotting in veins 
C) prevent rupture of arteries 
D) prevent rupture of capillaries 
A) allow time for exchanges in capillaries 
B) prevent abnormal clotting in veins 
C) prevent rupture of arteries 
D) prevent rupture of capillaries A

Question 2

The tissues of the wall of an artery or vein,in order from innermost to outermost,are:

Accepted Answer

A) smooth muscle,simple squamous epithelium,elastic connective tissue 
B) simple squamous epithelium,smooth muscle,fibrous connective tissue 
C) fibrous connective tissue,smooth muscle,simple squamous epithelium 
D) smooth muscle,fibrous connective tissue,elastic connective tissue 
A) smooth muscle,simple squamous epithelium,elastic connective tissue 
B) simple squamous epithelium,smooth muscle,fibrous connective tissue 
C) fibrous connective tissue,smooth muscle,simple squamous epithelium 
D) smooth muscle,fibrous connective tissue,elastic connective tissue B

Question 3

The function of the outer layer of an artery is to:

Accepted Answer

A) help maintain BP 
B) prevent rupture 
C) both A and B 
D) both A and B,and to anchor the artery in place 
A) help maintain BP 
B) prevent rupture 
C) both A and B 
D) both A and B,and to anchor the artery in place B

Question 4

In veins,the outer layer is thinner than in arteries because:

Accepted Answer

A) blood will not clot in veins 
B) the blood pressure in veins is so low that rupture is unlikely 
C) it has to help prevent backflow of blood 
D) blood pressure is high in veins 
A) blood will not clot in veins 
B) the blood pressure in veins is so low that rupture is unlikely 
C) it has to help prevent backflow of blood 
D) blood pressure is high in veins

Question 5

Which of the following does NOT have capillary networks?

Accepted Answer

A) bone 
B) skeletal muscle 
C) cartilage 
D) dermis of the skin 
A) bone 
B) skeletal muscle 
C) cartilage 
D) dermis of the skin

Question 6

Which artery is NOT paired with the part of the body to which it supplies blood?

Accepted Answer

A) superior mesenteric - spleen 
B) bronchial - bronchial tubes 
C) gastric - stomach 
D) hepatic - liver 
A) superior mesenteric - spleen 
B) bronchial - bronchial tubes 
C) gastric - stomach 
D) hepatic - liver

Question 7

Which of the following does NOT have capillary networks?

Accepted Answer

A) fibrous connective tissue 
B) the epidermis 
C) the iris of the eye 
D) adipose tissue 
A) fibrous connective tissue 
B) the epidermis 
C) the iris of the eye 
D) adipose tissue

Question 8

When blood flow through the kidneys decreases:

Accepted Answer

A) filtration decreases and water is conserved to maintain BP 
B) filtration decreases and water is eliminated to raise BP 
C) filtration increases and water is conserved to maintain BP 
D) filtration increases and water is eliminated to raise BP 
A) filtration decreases and water is conserved to maintain BP 
B) filtration decreases and water is eliminated to raise BP 
C) filtration increases and water is conserved to maintain BP 
D) filtration increases and water is eliminated to raise BP

Question 9

The respiratory pump is an important mechanism for venous return for the:

Accepted Answer

A) jugular veins 
B) veins of the arms 
C) veins of the legs 
D) veins in the thoracic cavity 
A) jugular veins 
B) veins of the arms 
C) veins of the legs 
D) veins in the thoracic cavity

Question 10

Capillaries are made of simple squamous epithelium because this tissue is:

Accepted Answer

A) strong,to resist high blood pressure 
B) thin,to permit exchanges of materials 
C) elastic,to prevent ruptures 
D) thick,to prevent leaking 
A) strong,to resist high blood pressure 
B) thin,to permit exchanges of materials 
C) elastic,to prevent ruptures 
D) thick,to prevent leaking

Question 11

Venous return is important to:

Accepted Answer

A) return blood to the heart to maintain cardiac output 
B) return blood to the tissues to prevent overworking the heart 
C) return blood to the heart to keep blood pressure low 
D) return blood to the tissues to supply sufficient oxygen 
A) return blood to the heart to maintain cardiac output 
B) return blood to the tissues to prevent overworking the heart 
C) return blood to the heart to keep blood pressure low 
D) return blood to the tissues to supply sufficient oxygen

Question 12

The function of the lining in both arteries and veins is to:

Accepted Answer

A) prevent abnormal clotting 
B) prevent backflow of blood 
C) help maintain blood pressure 
D) prevent the blood from flowing too fast 
A) prevent abnormal clotting 
B) prevent backflow of blood 
C) help maintain blood pressure 
D) prevent the blood from flowing too fast

Question 13

The large arteries have elastic connective tissue in their ___ layer,which is important to ___.

Accepted Answer

A) middle/help regulate blood pressure 
B) outer/help prevent backflow of blood 
C) outer/help regulate blood pressure 
D) middle/help prevent backflow of blood 
A) middle/help regulate blood pressure 
B) outer/help prevent backflow of blood 
C) outer/help regulate blood pressure 
D) middle/help prevent backflow of blood

Question 14

Which artery is NOT paired with the part of the body to which it supplies blood?

Accepted Answer

A) radial - forearm 
B) anterior tibial - lower leg 
C) brachial - shoulder 
D) femoral - thigh 
A) radial - forearm 
B) anterior tibial - lower leg 
C) brachial - shoulder 
D) femoral - thigh

Question 15

When vasoconstriction is needed to raise BP,the arteries receive:

Accepted Answer

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

Question 16

The function of the middle layer of an artery is to:

Accepted Answer

A) help maintain BP 
B) prevent rupture 
C) both A and B 
D) both A and B,and to prevent abnormal clotting 
A) help maintain BP 
B) prevent rupture 
C) both A and B 
D) both A and B,and to prevent abnormal clotting

Question 17

Exchanges between fetal blood and maternal blood take place in the:

Accepted Answer

A) placenta 
B) umbilical arteries 
C) ductus venosus 
D) umbilical vein 
A) placenta 
B) umbilical arteries 
C) ductus venosus 
D) umbilical vein

Question 18

During exercise,blood flow to the skin 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 19

In the fetus,the ductus arteriosus permits blood to flow:

Accepted Answer

A) from the pulmonary artery to the aorta 
B) from the aorta to the pulmonary artery 
C) from the pulmonary artery to the pulmonary vein 
D) from the aorta to the pulmonary vein 
A) from the pulmonary artery to the aorta 
B) from the aorta to the pulmonary artery 
C) from the pulmonary artery to the pulmonary vein 
D) from the aorta to the pulmonary vein

Question 20

The function of the lining of an artery is to:

Accepted Answer

A) help maintain BP by raising it 
B) prevent abnormal clotting 
C) help maintain BP by lowering it 
D) keep the blood moving 
A) help maintain BP by raising it 
B) prevent abnormal clotting 
C) help maintain BP by lowering it 
D) keep the blood moving

Exam 14:The Vascular System-Part C

Slow blood flow is important to:

The tissues of the wall of an artery or vein,in order from innermost to outermost,are:

The function of the outer layer of an artery is to:

In veins,the outer layer is thinner than in arteries because:

Which of the following does NOT have capillary networks?

Which artery is NOT paired with the part of the body to which it supplies blood?

Which of the following does NOT have capillary networks?

When blood flow through the kidneys decreases:

The respiratory pump is an important mechanism for venous return for the:

Capillaries are made of simple squamous epithelium because this tissue is:

Venous return is important to:

The function of the lining in both arteries and veins is to:

The large arteries have elastic connective tissue in their ___ layer,which is important to ___.

Which artery is NOT paired with the part of the body to which it supplies blood?

When vasoconstriction is needed to raise BP,the arteries receive:

The function of the middle layer of an artery is to:

Exchanges between fetal blood and maternal blood take place in the:

During exercise,blood flow to the skin will:

In the fetus,the ductus arteriosus permits blood to flow:

The function of the lining of an artery is to:

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

The large arteries have elastic connective tissue in their _ layer,which is important to _.