Question 1

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,

Accepted Answer

A)  there is hypertension. 
B)  there is an increase in blood flow. 
C)  there is an increase in peripheral resistance. 
D)  the vessel collapses. 
E)  the vessel expands. 
A)  there is hypertension. 
B)  there is an increase in blood flow. 
C)  there is an increase in peripheral resistance. 
D)  the vessel collapses. 
E)  the vessel expands.

Question 2

Vasomotor tone can be increased by

Accepted Answer

A)  taking a nap. 
B)  emotional excitement. 
C)  soaking in a warm bathtub. 
D)  an increase in body temperature. 
E)  relaxing with a cup of tea. 
A)  taking a nap. 
B)  emotional excitement. 
C)  soaking in a warm bathtub. 
D)  an increase in body temperature. 
E)  relaxing with a cup of tea.

Question 3

Which of the following acts as a storage area for blood?

Accepted Answer

A)  the aorta 
B)  the veins 
C)  capillaries 
D)  arterioles 
E)  the arteries 
A)  the aorta 
B)  the veins 
C)  capillaries 
D)  arterioles 
E)  the arteries

Question 4

Fill in the missing blood vessel.
hepatic vein; _____________; right atrium

Accepted Answer

The answer of Fill in the missing blood vessel.
hepatic vein;...

Question 5

Which of the following are components of the hepatic portal system?

Accepted Answer

A)  azygos vein 
B)  inferior vena cava 
C)  gastric vein 
D)  inferior mesenteric vein 
E)  both the gastric vein and the inferior mesenteric vein 
A)  azygos vein 
B)  inferior vena cava 
C)  gastric vein 
D)  inferior mesenteric vein 
E)  both the gastric vein and the inferior mesenteric vein

Question 6

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 7

Blood pressure is the

Accepted Answer

A)  product of the stroke volume times heart rate. 
B)  number of layers of blood in laminar flow models. 
C)  measure of force blood exerts against blood vessel walls. 
D)  viscosity of the blood and resistance to blood flow. 
E)  measure of the volume of the blood. 
A)  product of the stroke volume times heart rate. 
B)  number of layers of blood in laminar flow models. 
C)  measure of force blood exerts against blood vessel walls. 
D)  viscosity of the blood and resistance to blood flow. 
E)  measure of the volume of the blood.

Question 8

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 9

-On this diagram label pulse point "D".

Accepted Answer

A)  femoral artery 
B)  radial artery 
C)  common carotid artery 
D)  popliteal artery 
E)  brachial artery 
A)  femoral artery 
B)  radial artery 
C)  common carotid artery 
D)  popliteal artery 
E)  brachial artery

Question 10

When contrasting arteries and veins, which of the following statements is true?

Accepted Answer

A)  Veins have thicker walls than arteries. 
B)  Arteries have a thicker tunica media than veins. 
C)  Veins have a tunica media while arteries do not. 
D)  Arteries have valves, but veins do not. 
E)  Arteries have smooth muscle in their walls, but veins do not. 
A)  Veins have thicker walls than arteries. 
B)  Arteries have a thicker tunica media than veins. 
C)  Veins have a tunica media while arteries do not. 
D)  Arteries have valves, but veins do not. 
E)  Arteries have smooth muscle in their walls, but veins do not.

Question 11

Match the vessel with the appropriate description.
-cerebral arterial circle

Accepted Answer

A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta 
A) supplies blood to the frontal lobes of the brain 
B) a circle of arteries at the base of the brain 
C) supplies large portions of the lateral cerebral cortex 
D) supplies the posterior portion of the cerebrum 
E) formed by the bifurcation of the abdominal aorta

Question 12

The chemoreceptor reflexes help maintain homeostasis

Accepted Answer

A)  under normal conditions. 
B)  when carbon dioxide levels increase. 
C)  when stimulated by changes in blood osmotic pressure. 
D)  when epinephrine levels increase. 
E)  when hydrogen ion concentrations decrease. 
A)  under normal conditions. 
B)  when carbon dioxide levels increase. 
C)  when stimulated by changes in blood osmotic pressure. 
D)  when epinephrine levels increase. 
E)  when hydrogen ion concentrations decrease.

Question 13

Which of the following is NOT a pericapillary cell found in capillaries?

Accepted Answer

A)  macrophages 
B)  neurons 
C)  undifferentiated smooth muscle cells 
D)  fibroblasts 
A)  macrophages 
B)  neurons 
C)  undifferentiated smooth muscle cells 
D)  fibroblasts

Question 14

Match the following with the appropriate description.
-external carotid 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 vessel with the appropriate description.
-brachiocephalic vein

Accepted Answer

A) drains blood from the arm 
B) superficial vein of the head and neck 
C) the posterior intercostals veins join this vein on the right side of the body 
D) deep vein that drains blood from the cranial vault 
E) formed by the union of the internal jugular and the subclavian veins 
A) drains blood from the arm 
B) superficial vein of the head and neck 
C) the posterior intercostals veins join this vein on the right side of the body 
D) deep vein that drains blood from the cranial vault 
E) formed by the union of the internal jugular and the subclavian veins

Question 16

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 17

The viscosity of blood is influenced largely by __________, which is the percentage of the total blood volume composed of red blood cells.

Accepted Answer

The answer of The viscosity of blood is influenced largely...

Question 18

Match the term with the appropriate description.
-varicose veins

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 19

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 20

When measuring blood pressure with a sphygmomanometer, which of the following best describes when blood flow in the brachial artery is turbulent?

Accepted Answer

A)  while the left ventricle is contracting 
B)  when pressure in the blood pressure cuff is greater than systolic but less than the diastolic pressure 
C)  when pressure in the blood pressure cuff is greater than the diastolic pressure 
D)  when pressure in the blood pressure cuff is less than the diastolic pressure 
E)  when pressure in the brachial artery is greater than in the blood pressure cuff and greater than the diastolic pressure 
A)  while the left ventricle is contracting 
B)  when pressure in the blood pressure cuff is greater than systolic but less than the diastolic pressure 
C)  when pressure in the blood pressure cuff is greater than the diastolic pressure 
D)  when pressure in the blood pressure cuff is less than the diastolic pressure 
E)  when pressure in the brachial artery is greater than in the blood pressure cuff and greater than the diastolic pressure

Exam 21: Cardiovascular System: Blood Vessels and Circulation

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,

Vasomotor tone can be increased by

Which of the following acts as a storage area for blood?

Fill in the missing blood vessel. hepatic vein; _____________; right atrium

Which of the following are components of the hepatic portal system?

As viscosity of the blood increases,

Blood pressure is the

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

-On this diagram label pulse point "D".

When contrasting arteries and veins, which of the following statements is true?

Match the vessel with the appropriate description. -cerebral arterial circle

The chemoreceptor reflexes help maintain homeostasis

Which of the following is NOT a pericapillary cell found in capillaries?

Match the following with the appropriate description. -external carotid artery

Match the vessel with the appropriate description. -brachiocephalic vein

The longest vein in the body is the

The viscosity of blood is influenced largely by __________, which is the percentage of the total blood volume composed of red blood cells.

Match the term with the appropriate description. -varicose veins

Match the term with the appropriate description. -stroke

When measuring blood pressure with a sphygmomanometer, which of the following best describes when blood flow in the brachial artery is turbulent?

The Human Organism

The Chemical Basis of Life

Cell Biology

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Skeletal System: Bones and Bone Tissue

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Joints and Movement

Muscular System: Histology and Physiology

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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

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