Question 1

Blood moves most slowly through

Accepted Answer

A)  arteries. 
B)  capillaries. 
C)  venules. 
D)  veins. 
E)  arterioles. 
A)  arteries. 
B)  capillaries. 
C)  venules. 
D)  veins. 
E)  arterioles.

Question 2

The tough, fibrous sac that surrounds, protects and lubricates the heart is the

Accepted Answer

A)  myocardium. 
B)  epicardium. 
C)  endocardium. 
D)  pericardium. 
E)  trabeculae carnae. 
A)  myocardium. 
B)  epicardium. 
C)  endocardium. 
D)  pericardium. 
E)  trabeculae carnae.

Question 3

What occurs during systole?

Accepted Answer

A)  Oxygen-rich blood is pumped to the lungs. 
B)  The heart muscle tissues contract. 
C)  The atrioventricular valves suddenly open. 
D)  Oxygen-poor blood from all body regions except the lungs flows into the right atrium. 
E)  The heart muscle tissues relax. 
A)  Oxygen-rich blood is pumped to the lungs. 
B)  The heart muscle tissues contract. 
C)  The atrioventricular valves suddenly open. 
D)  Oxygen-poor blood from all body regions except the lungs flows into the right atrium. 
E)  The heart muscle tissues relax.

Question 4

In its travel through the human body, blood usually continues on from capillaries to enter

Accepted Answer

A)  arterioles. 
B)  venules. 
C)  arteries. 
D)  veins. 
E)  other capillaries. 
A)  arterioles. 
B)  venules. 
C)  arteries. 
D)  veins. 
E)  other capillaries.

Question 5

The diastolic pressure for a normal young adult would be under

Accepted Answer

A)  60 mm Hg. 
B)  80 mm Hg. 
C)  100 mm Hg. 
D)  120 mm Hg. 
E)  140 mm Hg. 
A)  60 mm Hg. 
B)  80 mm Hg. 
C)  100 mm Hg. 
D)  120 mm Hg. 
E)  140 mm Hg.

Question 6

Blood from the systemic circuit is first received by the heart in the

Accepted Answer

A)  coronary vein. 
B)  left atrium. 
C)  right ventricle. 
D)  right atrium. 
E)  left ventricle. 
A)  coronary vein. 
B)  left atrium. 
C)  right ventricle. 
D)  right atrium. 
E)  left ventricle.

Question 7

The systolic pressure for a normal young adult would be under

Accepted Answer

A)  60 mm Hg. 
B)  80 mm Hg. 
C)  100 mm Hg. 
D)  120 mm Hg. 
E)  140 mm Hg. 
A)  60 mm Hg. 
B)  80 mm Hg. 
C)  100 mm Hg. 
D)  120 mm Hg. 
E)  140 mm Hg.

Question 8

The most costly health problem in the United States is

Accepted Answer

A)  phlebitis. 
B)  hypertension. 
C)  heart failure. 
D)  atherosclerosis. 
E)  a stroke. 
A)  phlebitis. 
B)  hypertension. 
C)  heart failure. 
D)  atherosclerosis. 
E)  a stroke.

Question 9

Which of the following are pressure reservoirs with low resistance to flow?

Accepted Answer

A)  arteries 
B)  arterioles 
C)  capillaries 
D)  venules 
E)  veins 
A)  arteries 
B)  arterioles 
C)  capillaries 
D)  venules 
E)  veins

Question 10

Systolic pressure is

Accepted Answer

A)  the lowest blood pressure in the aorta. 
B)  the pressure measured when the left ventricle is relaxed. 
C)  the peak pressure in the aorta when the left ventricle contracts. 
D)  the difference between the highest and lowest pressures. 
E)  an average of high and low pressures. 
A)  the lowest blood pressure in the aorta. 
B)  the pressure measured when the left ventricle is relaxed. 
C)  the peak pressure in the aorta when the left ventricle contracts. 
D)  the difference between the highest and lowest pressures. 
E)  an average of high and low pressures.

Question 11

In the human systemic circuit, blood will pass through all but which of the following?

Accepted Answer

A)  liver 
B)  limbs 
C)  lungs 
D)  digestive organs 
E)  brain 
A)  liver 
B)  limbs 
C)  lungs 
D)  digestive organs 
E)  brain

Question 12

Which blood vessel is next to living cells in nearly all body tissues?

Accepted Answer

A)  venules 
B)  arterioles 
C)  capillaries 
D)  veins 
E)  arteries 
A)  venules 
B)  arterioles 
C)  capillaries 
D)  veins 
E)  arteries

Question 13

Blood passing through the capillary beds of the digestive tract pass through which vessel that takes blood to the liver?

Accepted Answer

A)  inferior vena cava 
B)  abdominal aorta 
C)  hepatic portal vein 
D)  hepatic artery 
E)  hepatic vein 
A)  inferior vena cava 
B)  abdominal aorta 
C)  hepatic portal vein 
D)  hepatic artery 
E)  hepatic vein

Question 14

Which of the following systems is the only one to have direct interactions with the other three?

Accepted Answer

A)  digestive 
B)  urinary 
C)  circulatory 
D)  respiratory 
E)  reproductive 
A)  digestive 
B)  urinary 
C)  circulatory 
D)  respiratory 
E)  reproductive

Question 15

Slits between the cells of capillary walls serve to

Accepted Answer

A)  allow passage of substances that cannot diffuse through the lipid bilayer of capillary wall cells. 
B)  allow expansion of the capillary diameter. 
C)  allow contraction of the capillary diameter. 
D)  allow lengthening of the capillary. 
E)  shortening of the capillary. 
A)  allow passage of substances that cannot diffuse through the lipid bilayer of capillary wall cells. 
B)  allow expansion of the capillary diameter. 
C)  allow contraction of the capillary diameter. 
D)  allow lengthening of the capillary. 
E)  shortening of the capillary.

Question 16

"Plaque-busting" drugs are called

Accepted Answer

A)  antibiotics. 
B)  antihelminthics. 
C)  statins. 
D)  antineoplastics. 
E)  antihypertensives. 
A)  antibiotics. 
B)  antihelminthics. 
C)  statins. 
D)  antineoplastics. 
E)  antihypertensives.

Question 17

A faster than normal heart rate is called

Accepted Answer

A)  tachycardia. 
B)  bradycardia. 
C)  hypocardia. 
D)  hypercardia. 
E)  bradykinin. 
A)  tachycardia. 
B)  bradycardia. 
C)  hypocardia. 
D)  hypercardia. 
E)  bradykinin.

Question 18

A slower than normal heart rate is called

Accepted Answer

A)  tachycardia. 
B)  bradycardia. 
C)  hypocardia. 
D)  hypercardia. 
E)  hypothermia. 
A)  tachycardia. 
B)  bradycardia. 
C)  hypocardia. 
D)  hypercardia. 
E)  hypothermia.

Question 19

Which of the following controls the distribution of blood?

Accepted Answer

A)  arteries 
B)  arterioles 
C)  capillaries 
D)  venules 
E)  veins 
A)  arteries 
B)  arterioles 
C)  capillaries 
D)  venules 
E)  veins

Question 20

The nervous system

Accepted Answer

A)  acts only to adjust the contraction of skeletal muscle. 
B)  initiates the rate and strength of cardiac contraction. 
C)  can only adjust the rate and strength of cardiac contraction. 
D)  has no direct control at all over cardiac function. 
E)  acts only to adjust the contraction of smooth muscle. 
A)  acts only to adjust the contraction of skeletal muscle. 
B)  initiates the rate and strength of cardiac contraction. 
C)  can only adjust the rate and strength of cardiac contraction. 
D)  has no direct control at all over cardiac function. 
E)  acts only to adjust the contraction of smooth muscle.

Exam 7: Circulation: the Heart and Blood Vessels

Blood moves most slowly through

The tough, fibrous sac that surrounds, protects and lubricates the heart is the

What occurs during systole?

In its travel through the human body, blood usually continues on from capillaries to enter

The diastolic pressure for a normal young adult would be under

Blood from the systemic circuit is first received by the heart in the

The systolic pressure for a normal young adult would be under

The most costly health problem in the United States is

Which of the following are pressure reservoirs with low resistance to flow?

Systolic pressure is

In the human systemic circuit, blood will pass through all but which of the following?

Which blood vessel is next to living cells in nearly all body tissues?

Blood passing through the capillary beds of the digestive tract pass through which vessel that takes blood to the liver?

Which of the following systems is the only one to have direct interactions with the other three?

Slits between the cells of capillary walls serve to

"Plaque-busting" drugs are called

A faster than normal heart rate is called

A slower than normal heart rate is called

Which of the following controls the distribution of blood?

The nervous system

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Development and Aging

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA, Genes, and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

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