Question 1

Increased venous tone will

Accepted Answer

A) relax the veins. 
B) help return blood to the heart. 
C) allow blood to pool in the veins. 
D) stabilize blood velocity in the veins. 
E) dilate the veins. 
A) relax the veins. 
B) help return blood to the heart. 
C) allow blood to pool in the veins. 
D) stabilize blood velocity in the veins. 
E) dilate the veins.

Question 2

Which vessel is often used to draw blood from a patient?

Accepted Answer

A) radial vein 
B) brachial artery 
C) median cubital vein 
D) cephalic vein 
A) radial vein 
B) brachial artery 
C) median cubital vein 
D) cephalic vein

Question 3

The longest vein in the body is the

Accepted Answer

A) superior vena cava. 
B) inferior vena cava. 
C) hepatic portal vein. 
D) great saphenous vein. 
E) femoral vein. 
A) superior vena cava. 
B) inferior vena cava. 
C) hepatic portal vein. 
D) great saphenous vein. 
E) femoral vein.

Question 4

According to Poiseuille's law,a small decrease in the diameter of a vessel will

Accepted Answer

A) dramatically decrease blood flow. 
B) slightly decrease blood flow. 
C) not affect blood flow. 
D) slightly increase blood flow. 
E) dramatically increase blood flow. 
A) dramatically decrease blood flow. 
B) slightly decrease blood flow. 
C) not affect blood flow. 
D) slightly increase blood flow. 
E) dramatically increase blood flow.

Question 5

Which of the following factors assists in the return of venous blood to the heart? (1)arterial dilation
(2)valves in the veins
(3)sympathetic stimulation
(4)compression of veins by muscular movements

Accepted Answer

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

Question 6

From the heart to body tissues,which of the following sequences of vessels is correct?

Accepted Answer

A) muscular artery,arteriole,elastic artery,capillary 
B) arteriole,muscular artery,elastic artery,capillary 
C) elastic artery,muscular artery,arteriole,capillary 
D) elastic artery,arteriole,muscular artery,capillary 
E) distributing artery,muscular artery,medium artery,capillary 
A) muscular artery,arteriole,elastic artery,capillary 
B) arteriole,muscular artery,elastic artery,capillary 
C) elastic artery,muscular artery,arteriole,capillary 
D) elastic artery,arteriole,muscular artery,capillary 
E) distributing artery,muscular artery,medium artery,capillary

Question 7

Which of the following chemical substances,when released into the blood,would cause blood pressure to decrease?

Accepted Answer

A) angiotensin II (active angiotensin) 
B) aldosterone 
C) ADH 
D) vasopressin 
E) atrial natriuretic hormone 
A) angiotensin II (active angiotensin) 
B) aldosterone 
C) ADH 
D) vasopressin 
E) atrial natriuretic hormone

Question 8

Why does nutrient-rich blood of the hepatic portal vein pass first through the liver before this blood is returned to the heart?

Accepted Answer

A)  To allow the liver to add more wastes to the blood 
B)  The liver needs more nourishment than other tissues; hence nutrients first pass through the liver 
C)  To allow the liver to add more nutrients to the blood 
D)  To allow the liver to store or modify the nutrients 
A)  To allow the liver to add more wastes to the blood 
B)  The liver needs more nourishment than other tissues; hence nutrients first pass through the liver 
C)  To allow the liver to add more nutrients to the blood 
D)  To allow the liver to store or modify the nutrients

Question 9

Which of the following is NOT a long-term regulator of blood pressure?

Accepted Answer

A) renin-angiotensin-aldosterone mechanism 
B) vasopressin mechanism 
C) stress-relaxation response 
D) oxygen tension response 
A) renin-angiotensin-aldosterone mechanism 
B) vasopressin mechanism 
C) stress-relaxation response 
D) oxygen tension response

Question 10

What structure helps to regulate body temperature?

Accepted Answer

A) glomus 
B) tunic 
C) fenestrae 
D) metarteriole 
A) glomus 
B) tunic 
C) fenestrae 
D) metarteriole

Question 11

Select the answer that is not true when comparing veins and arteries of the same diameter.

Accepted Answer

A)  Veins have thinner walls. 
B)  Veins have valves. 
C)  Veins have fewer smooth muscle fibers. 
D)  Veins have a larger lumen. 
E)  Veins have more elastic tissue. 
A)  Veins have thinner walls. 
B)  Veins have valves. 
C)  Veins have fewer smooth muscle fibers. 
D)  Veins have a larger lumen. 
E)  Veins have more elastic tissue.

Question 12

Blood flow into the deep and superficial palmar arches originates from the ______ and ____ arteries.

Accepted Answer

A)  humeral circumflex; deep brachial 
B)  superficial palmar arch; digital 
C)  brachial; subclavian 
D)  axillary; subclavian 
E)  radial; ulnar 
A)  humeral circumflex; deep brachial 
B)  superficial palmar arch; digital 
C)  brachial; subclavian 
D)  axillary; subclavian 
E)  radial; ulnar

Question 13

The greatest resistance to blood flow and therefore the greatest drop in pressure occurs as blood passes through the ______.

Accepted Answer

A)  venules 
B)  large arteries 
C)  large veins 
D)  arterioles 
A)  venules 
B)  large arteries 
C)  large veins 
D)  arterioles

Question 14

Match the term with the appropriate description.
-arteriosclerosis

Accepted Answer

A) a bulge (a weak spot)in the artery wall 
B) degenerative changes in arteries 
C) an overstretching of the veins of the lower extremities 
D) inflammation of the veins 
E) small vessels that supply nutrients to large arteries
, 
A) a bulge (a weak spot)in the artery wall 
B) degenerative changes in arteries 
C) an overstretching of the veins of the lower extremities 
D) inflammation of the veins 
E) small vessels that supply nutrients to large arteries
,

Question 15

The visceral branches of the internal iliac arteries supply blood to the

Accepted Answer

A) external genitalia. 
B) urinary bladder,rectum,and reproductive organs. 
C) lower leg. 
D) anterior abdominal wall. 
E) lumbar and gluteal muscles. 
A) external genitalia. 
B) urinary bladder,rectum,and reproductive organs. 
C) lower leg. 
D) anterior abdominal wall. 
E) lumbar and gluteal muscles.

Question 16

When baroreceptors sense a drop in blood pressure,the vasomotor center responds by:

Accepted Answer

A)  suppressing cardiac function 
B)  reducing vasomotor tone 
C)  triggering peripheral vasodilation 
D)  triggering peripheral vasoconstriction 
A)  suppressing cardiac function 
B)  reducing vasomotor tone 
C)  triggering peripheral vasodilation 
D)  triggering peripheral vasoconstriction

Question 17

Match the following with the appropriate description.
-carotid sinuses

Accepted Answer

A) formed when the right and left vertebral arteries unite 
B) supplies blood to the face,nose,and mouth 
C) terminates by forming the middle cerebral arteries 
D) supplies blood to the arm and shoulder regions 
E) sense organs that monitor blood pressure 
A) formed when the right and left vertebral arteries unite 
B) supplies blood to the face,nose,and mouth 
C) terminates by forming the middle cerebral arteries 
D) supplies blood to the arm and shoulder regions 
E) sense organs that monitor blood pressure

Question 18

Match the vessel with the appropriate description.
-femoral artery

Accepted Answer

A) supplies blood to the pelvic area 
B) formed by the bifurcation of the abdominal aorta 
C) the continuation of the femoral artery 
D) extends from the common iliac artery to the thigh 
E) continuation of the external iliac artery into the thigh 
A) supplies blood to the pelvic area 
B) formed by the bifurcation of the abdominal aorta 
C) the continuation of the femoral artery 
D) extends from the common iliac artery to the thigh 
E) continuation of the external iliac artery into the thigh

Question 19

Which of the following statements concerning blood vessel walls is true?

Accepted Answer

A) The tunica intima is the innermost layer of a blood vessel wall. 
B) The tunica media is found in all blood vessels except veins. 
C) The tunica adventitia is composed of smooth muscle and endothelium. 
D) Capillaries have both a tunica intima and a tunica media. 
E) Vessel diameter is controlled primarily by the tunica intima. 
A) The tunica intima is the innermost layer of a blood vessel wall. 
B) The tunica media is found in all blood vessels except veins. 
C) The tunica adventitia is composed of smooth muscle and endothelium. 
D) Capillaries have both a tunica intima and a tunica media. 
E) Vessel diameter is controlled primarily by the tunica intima.

Question 20

Which of the following blood vessels supplies blood to the diaphragm?

Accepted Answer

A) axillary artery 
B) intercostal artery 
C) superior phrenic artery 
D) inferior mesenteric artery 
E) gastric artery 
A) axillary artery 
B) intercostal artery 
C) superior phrenic artery 
D) inferior mesenteric artery 
E) gastric artery

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Increased venous tone will

Which vessel is often used to draw blood from a patient?

The longest vein in the body is the

According to Poiseuille's law,a small decrease in the diameter of a vessel will

Which of the following factors assists in the return of venous blood to the heart? (1)arterial dilation (2)valves in the veins (3)sympathetic stimulation (4)compression of veins by muscular movements

From the heart to body tissues,which of the following sequences of vessels is correct?

Which of the following chemical substances,when released into the blood,would cause blood pressure to decrease?

Why does nutrient-rich blood of the hepatic portal vein pass first through the liver before this blood is returned to the heart?

Which of the following is NOT a long-term regulator of blood pressure?

What structure helps to regulate body temperature?

Select the answer that is not true when comparing veins and arteries of the same diameter.

Blood flow into the deep and superficial palmar arches originates from the ______ and ____ arteries.

The greatest resistance to blood flow and therefore the greatest drop in pressure occurs as blood passes through the ______.

Match the term with the appropriate description. -arteriosclerosis

The visceral branches of the internal iliac arteries supply blood to the

When baroreceptors sense a drop in blood pressure,the vasomotor center responds by:

Match the following with the appropriate description. -carotid sinuses

Match the vessel with the appropriate description. -femoral artery

Which of the following statements concerning blood vessel walls is true?

Which of the following blood vessels supplies blood to the diaphragm?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

Filters

Blood flow into the deep and superficial palmar arches originates from the __ and arteries.