Question 1

What drives the movement of carbon dioxide from tissue into the bloodstream?

Accepted Answer

A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  diffusion down a concentration gradient 
D)  facilitated diffusion against a concentration gradient 
E)  the heart pumping the carbon dioxide into the bloodstream 
A)  active transport against a concentration gradient 
B)  facilitated diffusion down a concentration gradient 
C)  diffusion down a concentration gradient 
D)  facilitated diffusion against a concentration gradient 
E)  the heart pumping the carbon dioxide into the bloodstream

Question 2

If you wanted to change airflow to alveoli,what tissue would you need to target?

Accepted Answer

A)  connective 
B)  nonvascular 
C)  muscle 
D)  nervous 
E)  vascular 
A)  connective 
B)  nonvascular 
C)  muscle 
D)  nervous 
E)  vascular

Question 3

In cystic fibrosis,a thick dry mucus builds up in the alveoli.Which would you expect to occur in these patients?

Accepted Answer

A)  decreased rate of respiration 
B)  increased diffusion of carbon dioxide into capillaries from the alveoli 
C)  decreased blood flow to the alveoli 
D)  increased blood flow to the alveoli 
E)  decreased diffusion of oxygen into capillaries from the alveoli 
A)  decreased rate of respiration 
B)  increased diffusion of carbon dioxide into capillaries from the alveoli 
C)  decreased blood flow to the alveoli 
D)  increased blood flow to the alveoli 
E)  decreased diffusion of oxygen into capillaries from the alveoli

Question 4

The walls of the right ventricle are thicker than those of the left ventricle.

Accepted Answer

A) True 
 B)False

Question 5

The upper respiratory tract is composed of

Accepted Answer

A)  the nose, pharynx, and trachea. 
B)  the nose, larynx, and trachea. 
C)  the nose, trachea, and lungs. 
D)  the nose, pharynx, and larynx. 
E)  the nose and pharynx. 
A)  the nose, pharynx, and trachea. 
B)  the nose, larynx, and trachea. 
C)  the nose, trachea, and lungs. 
D)  the nose, pharynx, and larynx. 
E)  the nose and pharynx.

Question 6

The most important signal that the brain uses to set the breathing rate is the level of blood

Accepted Answer

A)  nitrogen. 
B)  oxygen. 
C)  carbon dioxide. 
D)  sulfur. 
E)  hemoglobin. 
A)  nitrogen. 
B)  oxygen. 
C)  carbon dioxide. 
D)  sulfur. 
E)  hemoglobin.

Question 7

The upper chambers of the mammalian heart are the

Accepted Answer

A)  ventricles. 
B)  arteries. 
C)  vascular cavities. 
D)  atria. 
E)  sinuses. 
A)  ventricles. 
B)  arteries. 
C)  vascular cavities. 
D)  atria. 
E)  sinuses.

Question 8

A person has a blood type of A.They could receive a whole blood transfusion from which donors?

Accepted Answer

A)  A only 
B)  O only 
C)  B only 
D)  either A or O 
E)  either B or O 
A)  A only 
B)  O only 
C)  B only 
D)  either A or O 
E)  either B or O

Question 9

The smooth muscle of the diaphragm expands the lungs and the skeletal muscle of the lungs regulates airflow to the alveoli.

Accepted Answer

A) True 
 B)False

Question 10

If you exercised more and more intensely over two months,your resting heart rate would decrease.

Accepted Answer

A) True 
 B)False

Question 11

In the pulmonary circulation,________ is expelled from the blood and ________ is picked up.

Accepted Answer

A)  nitrogen; oxygen 
B)  oxygen; carbon dioxide 
C)  oxygen; nitrogen 
D)  carbon dioxide; nitrogen 
E)  carbon dioxide; oxygen 
A)  nitrogen; oxygen 
B)  oxygen; carbon dioxide 
C)  oxygen; nitrogen 
D)  carbon dioxide; nitrogen 
E)  carbon dioxide; oxygen

Question 12

A clumping reaction caused by antibodies in the blood plasma is

Accepted Answer

A)  clotting. 
B)  agglutination. 
C)  constriction. 
D)  atherosclerosis. 
E)  inflammation. 
A)  clotting. 
B)  agglutination. 
C)  constriction. 
D)  atherosclerosis. 
E)  inflammation.

Question 13

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.In the lungs of a person with emphysema,there will be decreased

Accepted Answer

A)  uptake of carbon dioxide. 
B)  uptake of glucose. 
C)  uptake of oxygen. 
D)  rate of respiration. 
E)  heart rate. 
A)  uptake of carbon dioxide. 
B)  uptake of glucose. 
C)  uptake of oxygen. 
D)  rate of respiration. 
E)  heart rate.

Question 14

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 15

If you exercised more and more intensely over two months,your heart would be able to pump out more and more blood with each stroke.

Accepted Answer

A) True 
 B)False

Question 16

If asked to label a large blood vessel found mostly below the diaphragm,you would label it as the

Accepted Answer

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

Question 17

If blood pressure is too high,the brain ________ heart rate and causes blood vessels to ________.

Accepted Answer

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

Question 18

You are a medical student on rounds with your instructor,and you are told to help measure blood pressure,so you hand the instructor a(n)

Accepted Answer

A)  barometer and stethoscope. 
B)  stethoscope and sphygmomanometer. 
C)  barometer and sphygmomanometer. 
D)  hygrometer and sphygmomanometer. 
E)  hygrometer and barometer. 
A)  barometer and stethoscope. 
B)  stethoscope and sphygmomanometer. 
C)  barometer and sphygmomanometer. 
D)  hygrometer and sphygmomanometer. 
E)  hygrometer and barometer.

Question 19

A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.How would the pulses be directed from the pacemaker to the heart?

Accepted Answer

A)  Only the ventricle would be stimulated. 
B)  The ventricle would be stimulated first and then the atrium. 
C)  Both the atrium and ventricle would be stimulated simultaneously. 
D)  Only the atrium would be stimulated. 
E)  The atrium would be stimulated first and then the ventricle. 
A)  Only the ventricle would be stimulated. 
B)  The ventricle would be stimulated first and then the atrium. 
C)  Both the atrium and ventricle would be stimulated simultaneously. 
D)  Only the atrium would be stimulated. 
E)  The atrium would be stimulated first and then the ventricle.

Question 20

At the capillaries,________ leaves red blood cells and ________ enters the circulation.

Accepted Answer

A)  nitrogen; oxygen 
B)  carbon dioxide; oxygen 
C)  carbon dioxide; nitrogen 
D)  oxygen; carbon dioxide 
E)  sodium; oxygen 
A)  nitrogen; oxygen 
B)  carbon dioxide; oxygen 
C)  carbon dioxide; nitrogen 
D)  oxygen; carbon dioxide 
E)  sodium; oxygen

Exam 27: The Circulatory and Respiratory Systems

What drives the movement of carbon dioxide from tissue into the bloodstream?

If you wanted to change airflow to alveoli,what tissue would you need to target?

In cystic fibrosis,a thick dry mucus builds up in the alveoli.Which would you expect to occur in these patients?

The walls of the right ventricle are thicker than those of the left ventricle.

The upper respiratory tract is composed of

The most important signal that the brain uses to set the breathing rate is the level of blood

The upper chambers of the mammalian heart are the

A person has a blood type of A.They could receive a whole blood transfusion from which donors?

The smooth muscle of the diaphragm expands the lungs and the skeletal muscle of the lungs regulates airflow to the alveoli.

If you exercised more and more intensely over two months,your resting heart rate would decrease.

In the pulmonary circulation,________ is expelled from the blood and ________ is picked up.

A clumping reaction caused by antibodies in the blood plasma is

Emphysema is caused by destruction of the walls between alveoli,leading to hyperinflation of the lungs.In the lungs of a person with emphysema,there will be decreased

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

If you exercised more and more intensely over two months,your heart would be able to pump out more and more blood with each stroke.

If asked to label a large blood vessel found mostly below the diaphragm,you would label it as the

If blood pressure is too high,the brain ________ heart rate and causes blood vessels to ________.

You are a medical student on rounds with your instructor,and you are told to help measure blood pressure,so you hand the instructor a(n)

A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.How would the pulses be directed from the pacemaker to the heart?

At the capillaries,________ leaves red blood cells and ________ enters the circulation.

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

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

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

Filters

In the pulmonary circulation, is expelled from the blood and is picked up.

If blood pressure is too high,the brain heart rate and causes blood vessels to .

At the capillaries, leaves red blood cells and enters the circulation.