Question 1

A thin weakened section of an artery or vein that bulges out is called an

Accepted Answer

A) autography. 
B) aneurysm. 
C) angiogenesis. 
D) angioplasty. 
E) enuresis. 
A) autography. 
B) aneurysm. 
C) angiogenesis. 
D) angioplasty. 
E) enuresis. B

Question 2

Systolic blood pressure in arteries is always lower than the diastolic pressure.

Accepted Answer

A) True 
 B)False  False

Question 3

Starting at the left ventricle, list the blood vessels in the systemic circulatory route that carries blood to the spleen and back to the heart.

Accepted Answer

Left ventricle - ascending aorta - arch of the aorta - descending aorta - thoracic aorta - abdominal aorta - celiac trunk - splenic artery - spleen - splenic vein - hepatic portal vein - liver - hepatic vein - inferior vena cava - right atrium.

Question 4

Which of the labeled vessels in the figure above contains blood with the highest concentration of carbon dioxide (CO2)?

Accepted Answer

A) A 
B) C 
C) D 
D) Carbon dioxide concentration is the same in both A and D. 
E) Carbon dioxide concentration is the same in A, C, and D. 
A) A 
B) C 
C) D 
D) Carbon dioxide concentration is the same in both A and D. 
E) Carbon dioxide concentration is the same in A, C, and D.

Question 5

Which of the labeled arteries in the diagram are considered to be part of the aorta?

Accepted Answer

A) D only 
B) D and G only 
C) F and H only 
D) D, F, G, H 
E) D, F, G, H, I 
A) D only 
B) D and G only 
C) F and H only 
D) D, F, G, H 
E) D, F, G, H, I

Question 6

Which of the following will NOT help prevent hypertension?

Accepted Answer

A) reduce intake of potassium, calcium and magnesium 
B) quit smoking 
C) reduce intake of sodium 
D) exercise more frequently 
E) reduce or manage stress more effectively 
A) reduce intake of potassium, calcium and magnesium 
B) quit smoking 
C) reduce intake of sodium 
D) exercise more frequently 
E) reduce or manage stress more effectively

Question 7

All veins carry blood that is low in oxygen.

Accepted Answer

A) True 
 B)False

Question 8

Blood pressure is primarily regulated by the cardiac center in the hypothalamus using input from chemoreceptors that detect oxygen levels in the blood.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following choices accurately describe venules?

Accepted Answer

A) small veins 
B) collect blood from capillaries 
C) drain into veins 
D) are similar in structure to arterioles but with thinner walls 
E) All of the choices are correct. 
A) small veins 
B) collect blood from capillaries 
C) drain into veins 
D) are similar in structure to arterioles but with thinner walls 
E) All of the choices are correct.

Question 10

Filtration of fluid out of the capillaries into the interstitial fluid is generally highest on the arterial end of a capillary network because the

Accepted Answer

A) blood pressure in a capillary network is highest on the arterial end. 
B) blood pressure in a capillary network is highest on the venous end. 
C) blood colloid osmotic pressure is highest on the arterial end. 
D) blood colloid osmotic pressure is highest on the venous end. 
E) capillaries on the arterial end are leakier than on the venous end. 
A) blood pressure in a capillary network is highest on the arterial end. 
B) blood pressure in a capillary network is highest on the venous end. 
C) blood colloid osmotic pressure is highest on the arterial end. 
D) blood colloid osmotic pressure is highest on the venous end. 
E) capillaries on the arterial end are leakier than on the venous end.

Question 11

Which of the labeled sections of the graph represent the pressure characteristics observed in the arterioles?

Accepted Answer

A) C 
B) D 
C) E 
D) F 
E) G 
A) C 
B) D 
C) E 
D) F 
E) G

Question 12

Pain and lameness caused by defective circulation of the blood in the vessels of the limbs is called

Accepted Answer

A) aneurysm. 
B) occlusion. 
C) phlebitis. 
D) syncope. 
E) claudication. 
A) aneurysm. 
B) occlusion. 
C) phlebitis. 
D) syncope. 
E) claudication.

Question 13

The fetal circulation differs from adult circulation because three of the fetal organ systems do not fully function until birth. These three organ systems are the

Accepted Answer

A) cardiovascular, urinary, and respiratory systems. 
B) cardiovascular, urinary, and digestive systems. 
C) respiratory, urinary, and digestive systems. 
D) nervous, digestive, and respiratory systems. 
E) nervous, respiratory, and digestive systems. 
A) cardiovascular, urinary, and respiratory systems. 
B) cardiovascular, urinary, and digestive systems. 
C) respiratory, urinary, and digestive systems. 
D) nervous, digestive, and respiratory systems. 
E) nervous, respiratory, and digestive systems.

Question 14

Which of the following arteries branch directly from the brachial artery?

Accepted Answer

A) subclavian artery 
B) axillary artery 
C) brachiocephalic artery 
D) radial artery 
E) digital artery 
A) subclavian artery 
B) axillary artery 
C) brachiocephalic artery 
D) radial artery 
E) digital artery

Question 15

Systolic pressure is the pressure in the arteries when the ventricles are contracting, while diastolic pressure is the pressure in blood vessels when the ventricles are relaxed.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following statements comparing arteries to veins is NOT true?

Accepted Answer

A) The arterial wall is stronger than the venous wall. 
B) The lumen of an artery is larger in diameter than its corresponding vein. 
C) Veins have valves, while arteries do not. 
D) The blood pressure is higher in arteries than veins. 
E) Arterial walls contain more elastic tissue than veins. 
A) The arterial wall is stronger than the venous wall. 
B) The lumen of an artery is larger in diameter than its corresponding vein. 
C) Veins have valves, while arteries do not. 
D) The blood pressure is higher in arteries than veins. 
E) Arterial walls contain more elastic tissue than veins.

Question 17

Autoregulation of blood flow through tissues is controlled by the ANS.

Accepted Answer

A) True 
 B)False

Question 18

Leaky valves cause varicose veins.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following are common changes observed in the cardiovascular system as a result of the aging process?

Accepted Answer

A) reduced cardiac output 
B) increased systolic blood pressure 
C) decreased maximum heart rate 
D) reduced cardiac output and increased systolic blood pressure 
E) reduced cardiac output, increased systolic blood pressure, and decreased maximum heart rate 
A) reduced cardiac output 
B) increased systolic blood pressure 
C) decreased maximum heart rate 
D) reduced cardiac output and increased systolic blood pressure 
E) reduced cardiac output, increased systolic blood pressure, and decreased maximum heart rate

Question 20

The largest diameter arteries have thick muscular walls that alternately contract and relax to help propel blood through the cardiovascular system.

Accepted Answer

A) True 
 B)False

Exam 16: The Cardiovascular System: Blood Vessels and Circulation

A thin weakened section of an artery or vein that bulges out is called an

Systolic blood pressure in arteries is always lower than the diastolic pressure.

Starting at the left ventricle, list the blood vessels in the systemic circulatory route that carries blood to the spleen and back to the heart.

Which of the labeled vessels in the figure above contains blood with the highest concentration of carbon dioxide (CO2)?

Which of the labeled arteries in the diagram are considered to be part of the aorta?

Which of the following will NOT help prevent hypertension?

All veins carry blood that is low in oxygen.

Blood pressure is primarily regulated by the cardiac center in the hypothalamus using input from chemoreceptors that detect oxygen levels in the blood.

Which of the following choices accurately describe venules?

Filtration of fluid out of the capillaries into the interstitial fluid is generally highest on the arterial end of a capillary network because the

Which of the labeled sections of the graph represent the pressure characteristics observed in the arterioles?

Pain and lameness caused by defective circulation of the blood in the vessels of the limbs is called

The fetal circulation differs from adult circulation because three of the fetal organ systems do not fully function until birth. These three organ systems are the

Which of the following arteries branch directly from the brachial artery?

Systolic pressure is the pressure in the arteries when the ventricles are contracting, while diastolic pressure is the pressure in blood vessels when the ventricles are relaxed.

Which of the following statements comparing arteries to veins is NOT true?

Autoregulation of blood flow through tissues is controlled by the ANS.

Leaky valves cause varicose veins.

Which of the following are common changes observed in the cardiovascular system as a result of the aging process?

The largest diameter arteries have thick muscular walls that alternately contract and relax to help propel blood through the cardiovascular system.

Organization of the Human Body

Introductory Chemistry

Cells

Tissues

The Integumentary System

The Skeletal System

Joints

The Muscular System

Nervous Tissue

Central Nervous System, Spinal Nerves, and Cranial Nerves

Autonomic Nervous System

Somatic Senses and Special Sense

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: Heart

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive Systems

Development and Inheritance

Filters

Which of the labeled vessels in the figure above contains blood with the highest concentration of carbon dioxide (CO₂)?