Question 1

Adaptive mechanisms,such as ____,can help animals live at a high elevation.

Accepted Answer

A)  carbonic acid 
B)  narrower blood vessels 
C)  highly efficient hemoglobin-oxygen binding 
D)  decreased nitric oxide 
E)  small efficient lungs 
A)  carbonic acid 
B)  narrower blood vessels 
C)  highly efficient hemoglobin-oxygen binding 
D)  decreased nitric oxide 
E)  small efficient lungs

Question 2

In animals,respiration is a physiological process by which O2 enters the internal environment and CO2 leaves by diffusing across a thin,moist __________.

Accepted Answer

Question 3

What is the correct sequence of air flow in mammals?

Accepted Answer

A)  Nasal cavities, larynx, pharynx, bronchi, trachea 
B)  Nasal cavities, pharynx, bronchi, larynx, trachea 
C)  Nasal cavities, pharynx, larynx, trachea, bronchi 
D)  Nasal cavities, larynx, pharynx, trachea, bronchi 
E)  Nasal cavities, bronchi, larynx, trachea, pharynx 
A)  Nasal cavities, larynx, pharynx, bronchi, trachea 
B)  Nasal cavities, pharynx, bronchi, larynx, trachea 
C)  Nasal cavities, pharynx, larynx, trachea, bronchi 
D)  Nasal cavities, larynx, pharynx, trachea, bronchi 
E)  Nasal cavities, bronchi, larynx, trachea, pharynx

Question 4

Contractions of the dome-shaped __________ and the intercostal muscles between the ribs alter the volume of the thoracic cavity during breathing.

Accepted Answer

The answer of Contractions of the dome-shaped __________ and the...

Question 5

A moist layer of cells across which gases are exchanged between animal cells and the external environment is known as a _____________.

Accepted Answer

A)  respiration gradient 
B)  respiratory surface 
C)  respiration protein 
D)  respiratory circulation 
E)  respiration exchange 
A)  respiration gradient 
B)  respiratory surface 
C)  respiration protein 
D)  respiratory circulation 
E)  respiration exchange

Question 6

About _____ of lung cancers occur in smokers.

Accepted Answer

A)  20 percent 
B)  40 percent 
C)  60 percent 
D)  80 percent 
E)  1000 percent 
A)  20 percent 
B)  40 percent 
C)  60 percent 
D)  80 percent 
E)  1000 percent

Question 7

Choose the one most appropriate answer for each.
-Respiratory cycle

Accepted Answer

A) Flexible windpipe reinforced with cartilage 
B) Detect carbonic acid in artery walls and signal the brain to stimulate faster and deeper breathing 
C) Oxygen-rich form of a respiratory protein 
D) Contains a pair of vocal cords 
E) Stimulate faster breathing in dangerous situations
F)Part of the brainstem; controls breathing
G)Throat passage behind the mouth
H)One inhalation and one exhalation
I)Connect trachea to lungs
J)Flaplike structure that points upward allowing air to enter trachea, but blocks the larynx during swallowing
K)Raise and lower the ribcage
L)Microscopically small pockets lined with moist epithelium that function in gas exchange 
A) Flexible windpipe reinforced with cartilage 
B) Detect carbonic acid in artery walls and signal the brain to stimulate faster and deeper breathing 
C) Oxygen-rich form of a respiratory protein 
D) Contains a pair of vocal cords 
E) Stimulate faster breathing in dangerous situations
F)Part of the brainstem; controls breathing
G)Throat passage behind the mouth
H)One inhalation and one exhalation
I)Connect trachea to lungs
J)Flaplike structure that points upward allowing air to enter trachea, but blocks the larynx during swallowing
K)Raise and lower the ribcage
L)Microscopically small pockets lined with moist epithelium that function in gas exchange

Question 8

Which of the following part for: 
-Pleural membrane

Accepted Answer

The answer of

Which of the following part...

Question 9

Oxygen moves from alveoli to the bloodstream ____.

Accepted Answer

A)  because the partial pressure of oxygen is greater in alveoli than in the blood 
B)  mainly due to the activity of carbonic anhydrase in the red blood cells 
C)  against a concentration gradient 
D)  to equal the concentration of CO2 in the blood 
E)  by active transport 
A)  because the partial pressure of oxygen is greater in alveoli than in the blood 
B)  mainly due to the activity of carbonic anhydrase in the red blood cells 
C)  against a concentration gradient 
D)  to equal the concentration of CO2 in the blood 
E)  by active transport

Question 10

A factor associated with SIDS is ____.

Accepted Answer

A)  sleep apnea 
B)  lung cancer 
C)  high altitude sickness 
D)  low red blood cell count 
E)  TB 
A)  sleep apnea 
B)  lung cancer 
C)  high altitude sickness 
D)  low red blood cell count 
E)  TB

Question 11

Figure 38.15
 
-What is the partial pressure of oxygen at the start of the systemic capillary beds?

Accepted Answer

A)  40 mm Hg 
B)  100 mm Hg 
C)  70 mm Hg 
D)  104 mm Hg 
E)  130 mm Hg 
A)  40 mm Hg 
B)  100 mm Hg 
C)  70 mm Hg 
D)  104 mm Hg 
E)  130 mm Hg

Question 12

Most CO2 reacts with water inside red blood cells to form bicarbonate due to the enzymatic activity of __________.

Accepted Answer

Question 13

Respond to the following statements with reference to the five components of respiratory systems listed below. Answers may be used more than once or not at all.
-Gas exchange between the air in the lungs and the blood circulatory system occurs here.

Accepted Answer

A) Pharynx 
B) Larynx 
C) Trachea 
D) Bronchiole 
E) Alveolus 
A) Pharynx 
B) Larynx 
C) Trachea 
D) Bronchiole 
E) Alveolus

Question 14

Paired lungs are characteristic of ____.

Accepted Answer

A)  spiders 
B)  all birds 
C)  all fishes 
D)  all amphibian life stages 
E)  all insects 
A)  spiders 
B)  all birds 
C)  all fishes 
D)  all amphibian life stages 
E)  all insects

Question 15

Choose the one most appropriate answer for each.
-Sympathetic nerves

Accepted Answer

A) Flexible windpipe reinforced with cartilage 
B) Detect carbonic acid in artery walls and signal the brain to stimulate faster and deeper breathing 
C) Oxygen-rich form of a respiratory protein 
D) Contains a pair of vocal cords 
E) Stimulate faster breathing in dangerous situations
F)Part of the brainstem; controls breathing
G)Throat passage behind the mouth
H)One inhalation and one exhalation
I)Connect trachea to lungs
J)Flaplike structure that points upward allowing air to enter trachea, but blocks the larynx during swallowing
K)Raise and lower the ribcage
L)Microscopically small pockets lined with moist epithelium that function in gas exchange 
A) Flexible windpipe reinforced with cartilage 
B) Detect carbonic acid in artery walls and signal the brain to stimulate faster and deeper breathing 
C) Oxygen-rich form of a respiratory protein 
D) Contains a pair of vocal cords 
E) Stimulate faster breathing in dangerous situations
F)Part of the brainstem; controls breathing
G)Throat passage behind the mouth
H)One inhalation and one exhalation
I)Connect trachea to lungs
J)Flaplike structure that points upward allowing air to enter trachea, but blocks the larynx during swallowing
K)Raise and lower the ribcage
L)Microscopically small pockets lined with moist epithelium that function in gas exchange

Question 16

Deep-diving animals accomplish their dives through ____.

Accepted Answer

A)  speeding their heart rate 
B)  swimming vigorously 
C)  storing oxygen in muscles and blood 
D)  binding oxygen to hemocyanin 
E)  going into a deep sleep 
A)  speeding their heart rate 
B)  swimming vigorously 
C)  storing oxygen in muscles and blood 
D)  binding oxygen to hemocyanin 
E)  going into a deep sleep

Question 17

The term "respiration" in animals refers to the ____.

Accepted Answer

A)  movement of oxygen into an animal only 
B)  movement of carbon dioxide out of an animal only 
C)  movement of oxygen into an animal and the movement of carbon dioxide out of the animal 
D)  binding of oxygen to hemoglobin molecules in the blood 
E)  diffusion of oxygen across a cell membrane 
A)  movement of oxygen into an animal only 
B)  movement of carbon dioxide out of an animal only 
C)  movement of oxygen into an animal and the movement of carbon dioxide out of the animal 
D)  binding of oxygen to hemoglobin molecules in the blood 
E)  diffusion of oxygen across a cell membrane

Question 18

The "Adam's apple" is located in the ____.

Accepted Answer

A)  glottis 
B)  pharynx 
C)  trachea 
D)  larynx 
E)  bronchus 
A)  glottis 
B)  pharynx 
C)  trachea 
D)  larynx 
E)  bronchus

Question 19

Most of the carbon dioxide produced by the body is transported to the lungs ____.

Accepted Answer

A)  in gaseous form 
B)  in the lymph system 
C)  as carbaminohemoglobin 
D)  in the form of bicarbonate 
E)  as carbonic acid 
A)  in gaseous form 
B)  in the lymph system 
C)  as carbaminohemoglobin 
D)  in the form of bicarbonate 
E)  as carbonic acid

Question 20

In mammals,lungs inflate when muscles increase the size of the ______ cavity.

Accepted Answer

The answer of In mammals,lungs inflate when muscles increase the...

Exam 38: Respiration

Adaptive mechanisms,such as ____,can help animals live at a high elevation.

In animals,respiration is a physiological process by which O2 enters the internal environment and CO2 leaves by diffusing across a thin,moist __________.

What is the correct sequence of air flow in mammals?

Contractions of the dome-shaped __________ and the intercostal muscles between the ribs alter the volume of the thoracic cavity during breathing.

A moist layer of cells across which gases are exchanged between animal cells and the external environment is known as a _____________.

About _____ of lung cancers occur in smokers.

Choose the one most appropriate answer for each. -Respiratory cycle

Which of the following part for: -Pleural membrane

Oxygen moves from alveoli to the bloodstream ____.

A factor associated with SIDS is ____.

Figure 38.15 -What is the partial pressure of oxygen at the start of the systemic capillary beds?

Most CO2 reacts with water inside red blood cells to form bicarbonate due to the enzymatic activity of __________.

Respond to the following statements with reference to the five components of respiratory systems listed below. Answers may be used more than once or not at all. -Gas exchange between the air in the lungs and the blood circulatory system occurs here.

Paired lungs are characteristic of ____.

Choose the one most appropriate answer for each. -Sympathetic nerves

Deep-diving animals accomplish their dives through ____.

The term "respiration" in animals refers to the ____.

The "Adam's apple" is located in the ____.

Most of the carbon dioxide produced by the body is transported to the lungs ____.

In mammals,lungs inflate when muscles increase the size of the ______ cavity.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters

In animals,respiration is a physiological process by which O₂ enters the internal environment and CO₂ leaves by diffusing across a thin,moist __________.

Most CO₂ reacts with water inside red blood cells to form bicarbonate due to the enzymatic activity of __________.