Question 1

Which one of the following is TRUE regarding the lymphatic system?

Accepted Answer

A)  The lymphatic system removes microorganisms from body fluid. 
B)  Lymph flows from lymph capillaries to larger lymphatic vessels to the heart and lungs. 
C)  Lymphatic capillaries absorb lipid droplets from plasma. 
D)  Lymph is excreted from the body. 
E)  Lymphatic capillaries produce interstitial fluid. 
A)  The lymphatic system removes microorganisms from body fluid. 
B)  Lymph flows from lymph capillaries to larger lymphatic vessels to the heart and lungs. 
C)  Lymphatic capillaries absorb lipid droplets from plasma. 
D)  Lymph is excreted from the body. 
E)  Lymphatic capillaries produce interstitial fluid.

Question 2

The atrioventricular valves are closed when the

Accepted Answer

A)  right atrium is contracting. 
B)  P wave of an electrocardiogram appears. 
C)  heart is completely relaxed. 
D)  ventricles contract. 
E)  ventricles are relaxed. 
A)  right atrium is contracting. 
B)  P wave of an electrocardiogram appears. 
C)  heart is completely relaxed. 
D)  ventricles contract. 
E)  ventricles are relaxed.

Question 3

In a weakened heart, the heart begins to pump less blood, resulting in blood backing up in the veins causing pressure in veins and capillaries to rise. This condition is called

Accepted Answer

A)  angina. 
B)  congestive heart failure. 
C)  hypotension. 
D)  hypertension. 
E)  atherosclerosis. 
A)  angina. 
B)  congestive heart failure. 
C)  hypotension. 
D)  hypertension. 
E)  atherosclerosis.

Question 4

Match each of the following cardiovascular disorders to its description.
-blockage of a blood vessel, usually due to a floating blood clot

Accepted Answer

A) stroke 
B) heart attack 
C) atherosclerosis 
D) embolism 
E) congestive heart failure
F)angina pectoris 
A) stroke 
B) heart attack 
C) atherosclerosis 
D) embolism 
E) congestive heart failure
F)angina pectoris

Question 5

Match each of the following cardiovascular disorders to its description.
-buildup of fatty deposits on the inner walls of arteries

Accepted Answer

A) stroke 
B) heart attack 
C) atherosclerosis 
D) embolism 
E) congestive heart failure
F)angina pectoris 
A) stroke 
B) heart attack 
C) atherosclerosis 
D) embolism 
E) congestive heart failure
F)angina pectoris

Question 6

Which one of the following would result in a decrease in cardiac output?

Accepted Answer

A)  increased heart rate 
B)  decreased stroke volume 
C)  exercise 
D)  strong emotions 
E)  activation of the sympathetic nervous system 
A)  increased heart rate 
B)  decreased stroke volume 
C)  exercise 
D)  strong emotions 
E)  activation of the sympathetic nervous system

Question 7

Oxygenated blood can be found in the following chambers of the heart: ________ and ________.

Accepted Answer

left atriu

Question 8

Each of the following statements accurately describes a feature of arteries EXCEPT which one?

Accepted Answer

A)  Arteries have an endothelial lining that reduces friction and promotes smooth blood flow. 
B)  Arteries have a smooth muscle layer on the outside, which provides some stiffness. 
C)  Elastin fibers in arterial walls allow stretching of the arteries. 
D)  Valves along major arteries maintain directed blood flow. 
E)  A tough supportive layer of connective tissue containing collagen is found on the outer surface of arteries. 
A)  Arteries have an endothelial lining that reduces friction and promotes smooth blood flow. 
B)  Arteries have a smooth muscle layer on the outside, which provides some stiffness. 
C)  Elastin fibers in arterial walls allow stretching of the arteries. 
D)  Valves along major arteries maintain directed blood flow. 
E)  A tough supportive layer of connective tissue containing collagen is found on the outer surface of arteries.

Question 9

The buildup of fatty deposits on the inner wall of arteries is associated with higher levels of HDLs (high-density lipoproteins) in the blood.

Accepted Answer

A) True 
 B)False

Question 10

Deoxygenated blood in the right side of the heart never mixes with the oxygenated blood in the left side of the heart.

Accepted Answer

A) True 
 B)False

Question 11

Match each of the following cardiovascular disorders to its description.
-accumulation of fluid in the tissues due to a weak heart becoming less efficient at pumping blood

Accepted Answer

A) stroke 
B) heart attack 
C) atherosclerosis 
D) embolism 
E) congestive heart failure
F)angina pectoris 
A) stroke 
B) heart attack 
C) atherosclerosis 
D) embolism 
E) congestive heart failure
F)angina pectoris

Question 12

In which one of the following blood vessels is blood under the lowest pressure?

Accepted Answer

A)  artery 
B)  arteriole 
C)  capillary 
D)  venule 
E)  vein 
A)  artery 
B)  arteriole 
C)  capillary 
D)  venule 
E)  vein

Question 13

The sinoatrial node

Accepted Answer

A)  is located in the left atrium. 
B)  sends out a signal for contraction once every two minutes. 
C)  regulates the rate of heart contraction. 
D)  is also known as the atrioventricular node. 
E)  receives signals from the atrioventricular node. 
A)  is located in the left atrium. 
B)  sends out a signal for contraction once every two minutes. 
C)  regulates the rate of heart contraction. 
D)  is also known as the atrioventricular node. 
E)  receives signals from the atrioventricular node.

Question 14

During electrical stimulation of the heart, the impulse pauses briefly at the ________ before continuing on to the ventricles.

Accepted Answer

atrioventr

Question 15

When the force of blood on the walls of blood vessels drops below normal, the condition is referred to as

Accepted Answer

A)  blood pressure. 
B)  hypotension. 
C)  hypertension. 
D)  aneurysm. 
E)  angina. 
A)  blood pressure. 
B)  hypotension. 
C)  hypertension. 
D)  aneurysm. 
E)  angina.

Question 16

If you decide to ride your bike at a moderate to fast pace for a long period of time, your blood pressure drops and heart rate increases. Once you stop the exercise, how does your body respond to resume a normal heart rate and blood pressure?

Accepted Answer

Ultimately, because the internal environ

Question 17

The endothelium of the heart and blood vessels is composed of a smooth layer of connective tissue that reduces friction, which helps keep blood flowing smoothly.

Accepted Answer

A) True 
 B)False

Question 18

The lumen of capillaries is so small that red blood cells must travel through these blood vessels in single file or sometimes actually squeeze through.

Accepted Answer

A) True 
 B)False

Question 19

The heart muscle itself receives oxygen and nutrients from blood transported by the ________ arteries.

Accepted Answer

The answer of The heart muscle itself receives oxygen and...

Question 20

Coronary arteries supply the heart muscle with nutrients and oxygen.

Accepted Answer

A) True 
 B)False

Exam 8: Heart and Blood Vessels

Which one of the following is TRUE regarding the lymphatic system?

The atrioventricular valves are closed when the

In a weakened heart, the heart begins to pump less blood, resulting in blood backing up in the veins causing pressure in veins and capillaries to rise. This condition is called

Match each of the following cardiovascular disorders to its description. -blockage of a blood vessel, usually due to a floating blood clot

Match each of the following cardiovascular disorders to its description. -buildup of fatty deposits on the inner walls of arteries

Which one of the following would result in a decrease in cardiac output?

Oxygenated blood can be found in the following chambers of the heart: ________ and ________.

Each of the following statements accurately describes a feature of arteries EXCEPT which one?

The buildup of fatty deposits on the inner wall of arteries is associated with higher levels of HDLs (high-density lipoproteins) in the blood.

Deoxygenated blood in the right side of the heart never mixes with the oxygenated blood in the left side of the heart.

Match each of the following cardiovascular disorders to its description. -accumulation of fluid in the tissues due to a weak heart becoming less efficient at pumping blood

In which one of the following blood vessels is blood under the lowest pressure?

The sinoatrial node

During electrical stimulation of the heart, the impulse pauses briefly at the ________ before continuing on to the ventricles.

When the force of blood on the walls of blood vessels drops below normal, the condition is referred to as

If you decide to ride your bike at a moderate to fast pace for a long period of time, your blood pressure drops and heart rate increases. Once you stop the exercise, how does your body respond to resume a normal heart rate and blood pressure?

The endothelium of the heart and blood vessels is composed of a smooth layer of connective tissue that reduces friction, which helps keep blood flowing smoothly.

The lumen of capillaries is so small that red blood cells must travel through these blood vessels in single file or sometimes actually squeeze through.

The heart muscle itself receives oxygen and nutrients from blood transported by the ________ arteries.

Coronary arteries supply the heart muscle with nutrients and oxygen.

Human Biology, Science, and Society

The Chemistry of Living Things

Structure and Function of Cells

From Cells to Organ Systems

The Skeletal System

The Muscular System

Blood

The Immune System and Mechanisms of Defense

The Respiratory System: Exchange of Gases

The Nervous System: Integration and Control

Sensory Mechanisms

The Endocrine System

The Digestive System and Nutrition

The Urinary System

Reproductive Systems

Cell Reproduction and Differentiation

Cancer: Uncontrolled Cell Division and Differentiation

Genetics and Inheritance

DNA Technology and Genetic Engineering

Development and Aging

Evolution and the Origins of Life

Ecosystems and Populations

Human Impacts, Biodiversity, and Environmental Issues

Filters

Oxygenated blood can be found in the following chambers of the heart: and .