Question 1

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 2

Which type of veins connect two primary capillary networks?

Accepted Answer

A)  portal veins 
B)  venous sinuses 
C)  venules 
D)  vaso vasorum 
A)  portal veins 
B)  venous sinuses 
C)  venules 
D)  vaso vasorum

Question 3

Systemic circulation

Accepted Answer

A)  carries blood from the right ventricle to the lungs. 
B)  includes all arteries but the veins are part of the pulmonary circulation pathway. 
C)  includes the aorta and all of its branches. 
D)  ends in capillaries of the toes. 
E)  includes blood flow to the body, but not the brain. 
A)  carries blood from the right ventricle to the lungs. 
B)  includes all arteries but the veins are part of the pulmonary circulation pathway. 
C)  includes the aorta and all of its branches. 
D)  ends in capillaries of the toes. 
E)  includes blood flow to the body, but not the brain.

Question 4

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 5

As viscosity of the blood increases,

Accepted Answer

A)  the pressure required to force it to flow increases. 
B)  the pressure required to force it to flow decreases. 
C)  the fluid becomes thinner. 
D)  the hematocrit decreases. 
E)  the flow does not change. 
A)  the pressure required to force it to flow increases. 
B)  the pressure required to force it to flow decreases. 
C)  the fluid becomes thinner. 
D)  the hematocrit decreases. 
E)  the flow does not change.

Question 6

Match the term with the best description.
-continuous capillaries

Accepted Answer

A) simple squamous epithelium of capillaries 
B) drain capillary networks 
C) regulate blood flow into capillaries 
D) do not have fenestrae 
E) bypass capillary beds 
A) simple squamous epithelium of capillaries 
B) drain capillary networks 
C) regulate blood flow into capillaries 
D) do not have fenestrae 
E) bypass capillary beds

Question 7

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 8

Which of the following would occur as a person goes into shock?

Accepted Answer

A)  Baroreceptors are stimulated. 
B)  Chemoreceptors are depressed. 
C)  Renin release is inhibited. 
D)  Parasympathetic stimulation is increased. 
E)  Sympathetic stimulation is decreased. 
A)  Baroreceptors are stimulated. 
B)  Chemoreceptors are depressed. 
C)  Renin release is inhibited. 
D)  Parasympathetic stimulation is increased. 
E)  Sympathetic stimulation is decreased.

Question 9

Which of the following arteries is part of a circulatory pathway to the brain?

Accepted Answer

A)  radial artery 
B)  cephalic artery 
C)  internal carotid artery 
D)  external jugular vein 
E)  axillary artery 
A)  radial artery 
B)  cephalic artery 
C)  internal carotid artery 
D)  external jugular vein 
E)  axillary artery

Question 10

The vasa vasorum

Accepted Answer

A)  are incompetent valves in the large veins. 
B)  are special capillaries that supply nutrients to the walls of arteries and veins. 
C)  are the blood vessels that supply blood to the vas deferens. 
D)  are blood vessels that directly connect arteries to veins. 
E)  supply blood to skeletal muscle. 
A)  are incompetent valves in the large veins. 
B)  are special capillaries that supply nutrients to the walls of arteries and veins. 
C)  are the blood vessels that supply blood to the vas deferens. 
D)  are blood vessels that directly connect arteries to veins. 
E)  supply blood to skeletal muscle.

Question 11

Arteriosclerosis is characterized by

Accepted Answer

A)  a thickening of the tunica adventitia. 
B)  increased elasticity of the tunica media. 
C)  decreased resistance to blood flow. 
D)  an enlargement of the lumen of the vessel. 
E)  thickening of the tunica intima and loss of elasticity in the tunica media. 
A)  a thickening of the tunica adventitia. 
B)  increased elasticity of the tunica media. 
C)  decreased resistance to blood flow. 
D)  an enlargement of the lumen of the vessel. 
E)  thickening of the tunica intima and loss of elasticity in the tunica media.

Question 12

According to Poiseuille's law,

Accepted Answer

A)  blood flow is not related to resistance. 
B)  pH of the blood influences flow. 
C)  viscosity of the blood is not related to flow. 
D)  if resistance increases, flow increases. 
E)  if resistance increases, flow decreases. 
A)  blood flow is not related to resistance. 
B)  pH of the blood influences flow. 
C)  viscosity of the blood is not related to flow. 
D)  if resistance increases, flow increases. 
E)  if resistance increases, flow decreases.

Question 13

Match the term with the appropriate description.
-thrombosis

Accepted Answer

A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia 
A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia

Question 14

Match the following with the appropriate description.
-basilar artery

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 15

Match the term with the appropriate description.
-stroke

Accepted Answer

A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia 
A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia

Question 16

The kidneys are supplied by the

Accepted Answer

A)  renal arteries. 
B)  suprarenal arteries. 
C)  lumbar arteries. 
D)  inferior mesenteric arteries. 
A)  renal arteries. 
B)  suprarenal arteries. 
C)  lumbar arteries. 
D)  inferior mesenteric arteries.

Question 17

The vein that ascends along the medial side of the lower limb to the femoral vein is the ____ saphenous vein and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the _____ saphenous vein.

Accepted Answer

A)  small; great 
B)  internal; external 
C)  external; internal 
D)  great; small 
A)  small; great 
B)  internal; external 
C)  external; internal 
D)  great; small

Question 18

Which of the following would increase resistance to blood flow?

Accepted Answer

A)  a decrease in the length of the vessel 
B)  a decrease in the number of red blood cells 
C)  a decrease in blood viscosity 
D)  a decrease in the radius of the vessel 
E)  a decreased hematocrit 
A)  a decrease in the length of the vessel 
B)  a decrease in the number of red blood cells 
C)  a decrease in blood viscosity 
D)  a decrease in the radius of the vessel 
E)  a decreased hematocrit

Question 19

Atrial natriuretic factor

Accepted Answer

A)  is released in response to elevated atrial pressure. 
B)  stimulates the release of ADH. 
C)  decreases urine production. 
D)  stimulates release of aldosterone. 
E)  increases blood volume. 
A)  is released in response to elevated atrial pressure. 
B)  stimulates the release of ADH. 
C)  decreases urine production. 
D)  stimulates release of aldosterone. 
E)  increases blood volume.

Question 20

The _____ begins with capillaries in the abdominal viscera and ends with capillaries in the liver.

Accepted Answer

A)  superior mesenteric system 
B)  celiac system 
C)  hepatic portal system 
D)  hepatic vein 
E)  splenic system 
A)  superior mesenteric system 
B)  celiac system 
C)  hepatic portal system 
D)  hepatic vein 
E)  splenic system

Exam 21: Cardiovascular System: Blood Vessels and Circulation

What structure helps to regulate body temperature?

Which type of veins connect two primary capillary networks?

Systemic circulation

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

As viscosity of the blood increases,

Match the term with the best description. -continuous capillaries

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

Which of the following would occur as a person goes into shock?

Which of the following arteries is part of a circulatory pathway to the brain?

The vasa vasorum

Arteriosclerosis is characterized by

According to Poiseuille's law,

Match the term with the appropriate description. -thrombosis

Match the following with the appropriate description. -basilar artery

Match the term with the appropriate description. -stroke

The kidneys are supplied by the

The vein that ascends along the medial side of the lower limb to the femoral vein is the ____ saphenous vein and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the _____ saphenous vein.

Which of the following would increase resistance to blood flow?

Atrial natriuretic factor

The _____ begins with capillaries in the abdominal viscera and ends with capillaries in the liver.

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

The vein that ascends along the medial side of the lower limb to the femoral vein is the saphenous vein and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the _ saphenous vein.