Question 1

Hemoglobin has a greater affinity for carbon monoxide than oxygen.Which of the following would you predict to be a symptom of carbon monoxide poisoning?

Accepted Answer

A)   hyperactivity
B)   increased blood pH
C)   decreased exhalation of oxygen
D)   increased heart rate
E)   decreased ATP productionF) C) and D)
G) A) and D)

Question 2

If you were designing a new insecticide absorbed via the respiratory system,and you were studying a fluorescently labelled version of the arthropod killing chemical in it,you would first look for the label in the

Accepted Answer

A)   spicules.
B)   tracheae.
C)   alveoli.
D)   spiracles.
E)   gills.F) B) and C)
G) C) and E)

Question 3

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 bloodstreamF) All of the above
G) A) and D) C

Question 4

The protein that carries oxygen in the red blood cells is

Accepted Answer

A)   myoglobin.
B)   hemoglobin.
C)   actin.
D)   iron.
E)   insulin.F) C) and D)
G) A) and C)

Question 5

The openings in the exoskeleton of arthropods that allow oxygen into highly branched internal tubules that reach individual body cells are

Accepted Answer

A)   spicules.
B)   alveoli.
C)   tracheae.
D)   spiracles.
E)   gills.F) A) and B)
G) D) and E)

Question 6

One of the main reasons that we exhale a higher percentage of carbon dioxide than we inhale is,

Accepted Answer

A)   we use carbon dioxide to make glucose.
B)   we produce carbon dioxide as a by-product of aerobic respiration.
C)   we produce carbon dioxide as a by-product of transmission of nerve impulses across synapses.
D)   carbon dioxide is a by-product of photosynthesis.
E)   carbon dioxide dissolves better in blood than does oxygen.F) A) and D)
G) B) and E)

Question 7

The scientific name of the "windpipe" is the

Accepted Answer

A)   larynx.
B)   pharynx.
C)   vocal cords.
D)   esophagus.
E)   trachea.F) C) and D)
G) A) and B)

Question 8

If you were asked to clean up after a lab on respiration and needed to sort models into appropriate bins,you would place into the bin marked "Aquatic Organisms" those models having

Accepted Answer

A)   spicules.
B)   alveoli.
C)   tracheae.
D)   gills.
E)   spiracles.F) A) and D)
G) B) and C)

Question 9

Figuer: 
-What is the dependent variable in this figure?

Accepted Answer

A)   time
B)   partial pressure of oxygen in the tracheae
C)   external concentration of oxygen
D)   number of moth pupae
E)   size of each moth pupaF) All of the above
G) C) and E)

Question 10

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

Accepted Answer

A)   chest cavity
B)   rib cage
C)   trachea
D)   diaphragm
E)   sternumF) A) and B)
G) C) and D)

Question 11

An increase to 0.5% carbon dioxide in the air (from the normal 0.03%) makes us breathe 10 times faster.Which alteration in homeostatic conditions in the blood would limit how long you can hold your breath?

Accepted Answer

A)   Lack of carbon dioxide raises the pH.
B)   Lack of oxygen raises the pH.
C)   Buildup of carbon dioxide lowers the pH.
D)   Buildup of oxygen lowers the pH.
E)   Buildup of nitrogen raises the pH.F) A) and B)
G) B) and E)

Question 12

Olfaction is the sense of

Accepted Answer

A)   smell.
B)   hearing.
C)   taste.
D)   vision.
E)   touch.F) A) and E)
G) None of the above

Question 13

Which function is perfomed by another system working with the respiratory system,rather than by the respiratory system itself?

Accepted Answer

A)   olfaction
B)   gas exchange between the lungs and the atmosphere
C)   production of sounds
D)   transport of oxygen to the cells of the body
E)   maintaining blood pH homeostasisF) A) and E)
G) A) and B)

Question 14

Which main tissue type of the circulatory system enables diffusion across walls of capillaries?

Accepted Answer

A)   connective
B)   nervous
C)   muscle
D)   vascular
E)   epithelialF) B) and D)
G) A) and B)

Question 15

Which respiratory disease can be caused by a bacterial infection?

Accepted Answer

A)   the common cold
B)   asthma
C)   lung cancer
D)   tuberculosis
E)   None of the answer choices are correct.F) B) and E)
G) D) and E)

Question 16

The pH of blood is usually maintained at about

Accepted Answer

A)   5.2.
B)   6.4.
C)   6.8.
D)   7.4.
E)   8.6.F) A) and C)
G) A) and E) D

Question 17

Aerobic respiration consumes ____________ gas and generates ___________________ gas as a waste product.

Accepted Answer

A)   oxygen; carbon dioxide
B)   nitrogen; carbon dioxide
C)   carbon dioxide; nitrogen
D)   oxygen; nitrogen
E)   carbon dioxide; oxygenF) A) and D)
G) C) and D)

Question 18

What drives the movement of oxygen from the alveoli into the bloodstream?

Accepted Answer

A)   active transport against a concentration gradient
B)   facilitated diffusion down a concentration gradient
C)   facilitated diffusion against a concentration gradient
D)   diffusion down a concentration gradient
E)   the heart pumping the oxygen into the bloodstreamF) B) and C)
G) All of the above D

Question 19

The anatomical arrangement in which two adjacent currents flow in opposite directions and exchange materials with each other is found in the respiratory systems of which of the following?

Accepted Answer

A)   mammals
B)   birds
C)   fish
D)   worms
E)   sea anemonesF) A) and E)
G) B) and E)

Question 20

Which main tissue type of the circulatory system regulates airflow to alveoli?

Accepted Answer

A)   connective
B)   epithelial
C)   muscle
D)   nervous
E)   vascularF) B) and C)
G) A) and E)

Exam 31: The Respiratory System

Hemoglobin has a greater affinity for carbon monoxide than oxygen.Which of the following would you predict to be a symptom of carbon monoxide poisoning?

Correct AnswerverifiedShow Answer

If you were designing a new insecticide absorbed via the respiratory system,and you were studying a fluorescently labelled version of the arthropod killing chemical in it,you would first look for the label in the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

The protein that carries oxygen in the red blood cells is

Correct AnswerverifiedShow Answer

The openings in the exoskeleton of arthropods that allow oxygen into highly branched internal tubules that reach individual body cells are

Correct AnswerverifiedShow Answer

One of the main reasons that we exhale a higher percentage of carbon dioxide than we inhale is,

Correct AnswerverifiedShow Answer

The scientific name of the "windpipe" is the

Correct AnswerverifiedShow Answer

If you were asked to clean up after a lab on respiration and needed to sort models into appropriate bins,you would place into the bin marked "Aquatic Organisms" those models having

Correct AnswerverifiedShow Answer

Figuer: -What is the dependent variable in this figure?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

An increase to 0.5% carbon dioxide in the air (from the normal 0.03%) makes us breathe 10 times faster.Which alteration in homeostatic conditions in the blood would limit how long you can hold your breath?

Correct AnswerverifiedShow Answer

Olfaction is the sense of

Correct AnswerverifiedShow Answer

Which function is perfomed by another system working with the respiratory system,rather than by the respiratory system itself?

Correct AnswerverifiedShow Answer

Which main tissue type of the circulatory system enables diffusion across walls of capillaries?

Correct AnswerverifiedShow Answer

Which respiratory disease can be caused by a bacterial infection?

Correct AnswerverifiedShow Answer

The pH of blood is usually maintained at about

Correct AnswerverifiedD

Aerobic respiration consumes ____________ gas and generates ___________________ gas as a waste product.

Correct AnswerverifiedShow Answer

What drives the movement of oxygen from the alveoli into the bloodstream?

Correct AnswerverifiedD

The anatomical arrangement in which two adjacent currents flow in opposite directions and exchange materials with each other is found in the respiratory systems of which of the following?

Correct AnswerverifiedShow Answer

Which main tissue type of the circulatory system regulates airflow to alveoli?

Correct AnswerverifiedShow Answer

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C

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D

Aerobic respiration consumes gas and generates _______ gas as a waste product.

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D

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