Question 1

If blood pressure is too low,the brain __________ heart rate and causes blood vessels to _________.

Accepted Answer

A) increases;dilate 
B) decreases;dilate 
C) increases;constrict 
D) decreases;constrict 
E) increases;rupture 
A) increases;dilate 
B) decreases;dilate 
C) increases;constrict 
D) decreases;constrict 
E) increases;rupture C

Question 2

Blood

Accepted Answer

A) is a liquid connective tissue. 
B) delivers food to the cells of the body. 
C) delivers oxygen to the cells of the body. 
D) helps remove wastes from the body. 
E) All answers are correct. 
A) is a liquid connective tissue. 
B) delivers food to the cells of the body. 
C) delivers oxygen to the cells of the body. 
D) helps remove wastes from the body. 
E) All answers are correct. E

Question 3

A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.Why would the pulses be carried to the right chambers of the heart and not the left chambers?

Accepted Answer

A) The left chambers are reduced or absent in many subadults. 
B) The right chambers of the heart are weaker and need more stimulation. 
C) Only the right chambers of the heart need to contract to move blood to the lungs. 
D) It is easier to run the wires from the pacemaker through the vena cava. 
E) Once the right chambers are activated the pulse will be carried to the left chambers. 
A) The left chambers are reduced or absent in many subadults. 
B) The right chambers of the heart are weaker and need more stimulation. 
C) Only the right chambers of the heart need to contract to move blood to the lungs. 
D) It is easier to run the wires from the pacemaker through the vena cava. 
E) Once the right chambers are activated the pulse will be carried to the left chambers. E

Question 4

The total surface area of the alveoli in one set of human lungs is about 50 times the surface area of the skin.

Accepted Answer

A) True 
 B)False

Question 5

The major vein returning blood to the heart from all areas below the diaphragm is the

Accepted Answer

A) femoral vein. 
B) pulmonary vein. 
C) inferior vena cava. 
D) superior vena cava. 
E) jugular vein. 
A) femoral vein. 
B) pulmonary vein. 
C) inferior vena cava. 
D) superior vena cava. 
E) jugular vein.

Question 6

If a person has type O blood they have both the A and B markers on their red blood cells.

Accepted Answer

A) True 
 B)False

Question 7

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

Accepted Answer

A) True 
 B)False

Question 8

In the section "Investigating Life: In (Extremely)Cold Blood",ice fish would have which of the following circulatory systems?

Accepted Answer

A) closed with a two-chambered heart 
B) open 
C) closed with a single-chambered heart 
D) closed with a three-chambered heart 
E) closed with a four-chambered heart 
A) closed with a two-chambered heart 
B) open 
C) closed with a single-chambered heart 
D) closed with a three-chambered heart 
E) closed with a four-chambered heart

Question 9

In mammals,a muscular _______________ expands the chest,pulling air into the lungs.

Accepted Answer

A) chest cavity 
B) rib cage 
C) trachea 
D) diaphragm 
E) sternum 
A) chest cavity 
B) rib cage 
C) trachea 
D) diaphragm 
E) sternum

Question 10

An increase in the number of red blood cells is called anemia.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is a trend observed in the evolution of respiratory surfaces and lungs in vertebrates?

Accepted Answer

A) increased size 
B) the presence of capillaries 
C) increased surface area 
D) gain in the ability to absorb oxygen across the skin 
E) ability to move air into the lungs 
A) increased size 
B) the presence of capillaries 
C) increased surface area 
D) gain in the ability to absorb oxygen across the skin 
E) ability to move air into the lungs

Question 12

Bacteria trapped in mucus in the lower respiratory tract are literally swept up and out of the lower respiratory tract by waving

Accepted Answer

A) flagellA. 
B) pili. 
C) cilia. 
D) fimbria. 
E) lamella. 
A) flagellA. 
B) pili. 
C) cilia. 
D) fimbria. 
E) lamella.

Question 13

Why would this chamber become enlarged in a person with atherosclerosis?

Accepted Answer

A) It pumps blood through narrowed arteries to the brain. 
B) It pumps blood through narrowed arteries throughout the body. 
C) It pumps blood through narrowed arteries to the lungs. 
D) It pumps blood through narrowed coronary arteries. 
E) It pumps blood through narrowed valves into the ventricles. 
A) It pumps blood through narrowed arteries to the brain. 
B) It pumps blood through narrowed arteries throughout the body. 
C) It pumps blood through narrowed arteries to the lungs. 
D) It pumps blood through narrowed coronary arteries. 
E) It pumps blood through narrowed valves into the ventricles.

Question 14

The walls of the bronchioles are made up of

Accepted Answer

A) cartilage. 
B) smooth muscle. 
C) cartilage and smooth muscle. 
D) cartilage and skeletal muscle. 
E) skeletal musclE. 
A) cartilage. 
B) smooth muscle. 
C) cartilage and smooth muscle. 
D) cartilage and skeletal muscle. 
E) skeletal musclE.

Question 15

In which of the following organisms does oxygenated blood leave the heart?

Accepted Answer

A) fishes only 
B) mammals only 
C) birds only 
D) all vertebrates 
E) birds and mammals only 
A) fishes only 
B) mammals only 
C) birds only 
D) all vertebrates 
E) birds and mammals only

Question 16

Medicine is taken to relieve pain.In which of the following systems will the medicine reach the site the fastest?

Accepted Answer

A) open circulatory system 
B) closed circulatory system 
C) no muscular system 
D) incomplete digestive system 
E) complete digestive system 
A) open circulatory system 
B) closed circulatory system 
C) no muscular system 
D) incomplete digestive system 
E) complete digestive system

Question 17

The small vessels from which water and dissolved substances diffuse between the blood and interstitial fluid are

Accepted Answer

A) arteries. 
B) veins. 
C) lymph vessels. 
D) capillaries. 
E) sieve tubes. 
A) arteries. 
B) veins. 
C) lymph vessels. 
D) capillaries. 
E) sieve tubes.

Question 18

Which of the following veins does not deliver deoxygenated blood to the heart?

Accepted Answer

A) femoral vein 
B) jugular vein 
C) superior vena cava 
D) inferior vena cava 
E) pulmonary vein 
A) femoral vein 
B) jugular vein 
C) superior vena cava 
D) inferior vena cava 
E) pulmonary vein

Question 19

The major vein receiving blood draining from all areas above the diaphragm is the

Accepted Answer

A) femoral vein. 
B) superior vena cava. 
C) pulmonary vein. 
D) inferior vena cava. 
E) jugular vein. 
A) femoral vein. 
B) superior vena cava. 
C) pulmonary vein. 
D) inferior vena cava. 
E) jugular vein.

Question 20

Which of the following would you expect to observe in a person with atherosclerosis?

Accepted Answer

A) increased blood pressure 
B) decreased heart rate 
C) increased depolarization of the atria 
D) decreased depolarization of the ventricles 
E) increased blood flow through the coronary arteries 
A) increased blood pressure 
B) decreased heart rate 
C) increased depolarization of the atria 
D) decreased depolarization of the ventricles 
E) increased blood flow through the coronary arteries

Exam 27: The Circulatory and Respiratory Systems

If blood pressure is too low,the brain __________ heart rate and causes blood vessels to _________.

Blood

A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.Why would the pulses be carried to the right chambers of the heart and not the left chambers?

The total surface area of the alveoli in one set of human lungs is about 50 times the surface area of the skin.

The major vein returning blood to the heart from all areas below the diaphragm is the

If a person has type O blood they have both the A and B markers on their red blood cells.

In a closed circulatory system,the heart pumps fluid through open-ended vessels into spaces where the fluid bathes the body's cells.

In the section "Investigating Life: In (Extremely)Cold Blood",ice fish would have which of the following circulatory systems?

In mammals,a muscular _______________ expands the chest,pulling air into the lungs.

An increase in the number of red blood cells is called anemia.

Which of the following is a trend observed in the evolution of respiratory surfaces and lungs in vertebrates?

Bacteria trapped in mucus in the lower respiratory tract are literally swept up and out of the lower respiratory tract by waving

Why would this chamber become enlarged in a person with atherosclerosis?

The walls of the bronchioles are made up of

In which of the following organisms does oxygenated blood leave the heart?

Medicine is taken to relieve pain.In which of the following systems will the medicine reach the site the fastest?

The small vessels from which water and dissolved substances diffuse between the blood and interstitial fluid are

Which of the following veins does not deliver deoxygenated blood to the heart?

The major vein receiving blood draining from all areas above the diaphragm is the

Which of the following would you expect to observe in a person with atherosclerosis?

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

Filters

If blood pressure is too low,the brain __ heart rate and causes blood vessels to _.