Question 1

Match the term with the appropriate description.
-embolism

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 B

Question 2

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. D

Question 3

The innermost layer of a blood vessel wall is the tunica _______.

Accepted Answer

intima

Question 4

When vasodilation doubles the vessel diameter, what is the change in resistance?

Accepted Answer

A)  Reduced by half 
B)  Doubles (twice the original value) 
C)  Reduced by 1/4th of the original value 
D)  Reduced to 1/16th of the original value 
A)  Reduced by half 
B)  Doubles (twice the original value) 
C)  Reduced by 1/4th of the original value 
D)  Reduced to 1/16th of the original value

Question 5

Veins that return blood directly to the heart include the

Accepted Answer

A)  brachiocephalic vein. 
B)  superior vena cava. 
C)  portal vein. 
D)  azygos vein. 
E)  pulmonary arteries. 
A)  brachiocephalic vein. 
B)  superior vena cava. 
C)  portal vein. 
D)  azygos vein. 
E)  pulmonary arteries.

Question 6

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 7

Which of the following arteries branches directly from the aortic arch?

Accepted Answer

A)  brachiocephalic artery 
B)  coronary artery 
C)  pulmonary artery 
D)  right subclavian artery 
E)  right common carotid artery 
A)  brachiocephalic artery 
B)  coronary artery 
C)  pulmonary artery 
D)  right subclavian artery 
E)  right common carotid artery

Question 8

Which of the following arteries is not part of the cerebral arterial circle (circle of Willis)?

Accepted Answer

A)  anterior communicating artery 
B)  posterior cerebellar artery 
C)  posterior communicating artery 
D)  anterior cerebral artery 
E)  internal carotid artery 
A)  anterior communicating artery 
B)  posterior cerebellar artery 
C)  posterior communicating artery 
D)  anterior cerebral artery 
E)  internal carotid artery

Question 9

Which type of capillaries have large fenestrae and are found in endocrine glands?

Accepted Answer

A)  sinusoidal capillaries 
B)  continuous capillaries 
C)  fenestrated capillaries 
D)  sinusoids 
A)  sinusoidal capillaries 
B)  continuous capillaries 
C)  fenestrated capillaries 
D)  sinusoids

Question 10

Venous drainage from the posterior thoracic wall enters the superior vena cava via the ______ vein.

Accepted Answer

A)  subclavian 
B)  internal thoracic 
C)  accessory hemiazygos 
D)  hemiazygos 
E)  azygos 
A)  subclavian 
B)  internal thoracic 
C)  accessory hemiazygos 
D)  hemiazygos 
E)  azygos

Question 11

Match the term with the best description.
-Poiseuille's Law

Accepted Answer

A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases, the force holding it open decreases, and the vessel tends to collapse 
E) a characteristic of the venous system 
A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases, the force holding it open decreases, and the vessel tends to collapse 
E) a characteristic of the venous system

Question 12

Resistance in the cardiovascular system

Accepted Answer

A)  tends to increase if blood viscosity increases. 
B)  tends to decrease as the diameter of blood vessels decreases. 
C)  dramatically increases blood flow through the circulatory system. 
D)  is directly related to flow ($\uparrow$R $\rightarrow$ $\uparrow$ Flow). 
E)  does not occur. If it did, blood would not circulate in the blood vessels. 
A)  tends to increase if blood viscosity increases. 
B)  tends to decrease as the diameter of blood vessels decreases. 
C)  dramatically increases blood flow through the circulatory system. 
D)  is directly related to flow ($\uparrow$R $\rightarrow$ $\uparrow$ Flow). 
E)  does not occur. If it did, blood would not circulate in the blood vessels.

Question 13

Match the vessel with the appropriate description.
-middle cerebral artery

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 14

Which of the following hormones does NOT influence blood pressure?

Accepted Answer

A)  ADH 
B)  epinephrine 
C)  atrial natriuretic hormone 
D)  aldosterone 
E)  growth hormone 
A)  ADH 
B)  epinephrine 
C)  atrial natriuretic hormone 
D)  aldosterone 
E)  growth hormone

Question 15

The largest fenestrae are seen in _____ capillaries while the smallest fenestrae are seen in ____ capillaries.

Accepted Answer

A)  fenestrated; sinusoidal 
B)  continuous; sinusoidal 
C)  continuous; fenestrated 
D)  sinusoidal; continuous 
E)  sinusoidal; fenestrated 
A)  fenestrated; sinusoidal 
B)  continuous; sinusoidal 
C)  continuous; fenestrated 
D)  sinusoidal; continuous 
E)  sinusoidal; fenestrated

Question 16

The auscultatory method of measuring blood pressure

Accepted Answer

A)  relies on the insertion of a cannula into the vessel in which pressure is being measured. 
B)  monitors the oscillations in the blood vessel during changes in pressure. 
C)  involves an electronic transducer attached to a mercury manometer. 
D)  relies on hearing Korotkoff sounds through a stethoscope. 
E)  relies on hearing the sounds made by laminar flow of the blood. 
A)  relies on the insertion of a cannula into the vessel in which pressure is being measured. 
B)  monitors the oscillations in the blood vessel during changes in pressure. 
C)  involves an electronic transducer attached to a mercury manometer. 
D)  relies on hearing Korotkoff sounds through a stethoscope. 
E)  relies on hearing the sounds made by laminar flow of the blood.

Question 17

All of these will easily diffuse across the plasma membrane EXCEPT:

Accepted Answer

A)  oxygen 
B)  carbon dioxide 
C)  steroid hormone 
D)  glucose 
A)  oxygen 
B)  carbon dioxide 
C)  steroid hormone 
D)  glucose

Question 18

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 19

Match the vessel with the appropriate description.
-popliteal 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 20

Match the vessel with the appropriate description.
-anterior cerebral artery

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

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Match the term with the appropriate description. -embolism

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

The innermost layer of a blood vessel wall is the tunica _______.

When vasodilation doubles the vessel diameter, what is the change in resistance?

Veins that return blood directly to the heart include the

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

Which of the following arteries branches directly from the aortic arch?

Which of the following arteries is not part of the cerebral arterial circle (circle of Willis)?

Which type of capillaries have large fenestrae and are found in endocrine glands?

Venous drainage from the posterior thoracic wall enters the superior vena cava via the ______ vein.

Match the term with the best description. -Poiseuille's Law

Resistance in the cardiovascular system

Match the vessel with the appropriate description. -middle cerebral artery

Which of the following hormones does NOT influence blood pressure?

The largest fenestrae are seen in _____ capillaries while the smallest fenestrae are seen in ____ capillaries.

The auscultatory method of measuring blood pressure

All of these will easily diffuse across the plasma membrane EXCEPT:

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

Match the vessel with the appropriate description. -popliteal artery

Match the vessel with the appropriate description. -anterior cerebral artery

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 largest fenestrae are seen in _ capillaries while the smallest fenestrae are seen in capillaries.

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