Question 1

Refer to the figure shown.
  The eggs of which animal would most likely have the data profile in the figure?

Accepted Answer

A)  Bald eagle 
B)  Snapping turtle 
C)  Bullfrog 
D)  Largemouth bass 
A)  Bald eagle 
B)  Snapping turtle 
C)  Bullfrog 
D)  Largemouth bass

Question 2

Refer to the figure shown.
  What process(es) is(are) occurring in the figure?

Accepted Answer

A)  Diffusion 
B)  Convection 
C)  Active transport 
D)  Both diffusion and convection 
A)  Diffusion 
B)  Convection 
C)  Active transport 
D)  Both diffusion and convection

Question 3

The "bends" refers to a physiological condition sustained by a scuba diver in which

Accepted Answer

A)  oxygen gas is too concentrated in the blood due to a dive that lasts too long at a deep depth. 
B)  nitrogen gas is too concentrated in the blood due to a dive that lasts too long at a deep depth. 
C)  oxygen gas comes out of solution in the blood due to a rapid ascent. 
D)  nitrogen gas comes out of solution in the blood due to a rapid ascent. 
A)  oxygen gas is too concentrated in the blood due to a dive that lasts too long at a deep depth. 
B)  nitrogen gas is too concentrated in the blood due to a dive that lasts too long at a deep depth. 
C)  oxygen gas comes out of solution in the blood due to a rapid ascent. 
D)  nitrogen gas comes out of solution in the blood due to a rapid ascent.

Question 4

Which environment has the lowest amount of O2 per L?

Accepted Answer

A)  Air at 120°C 
B)  Air at -40°C 
C)  Freshwater at 24°C 
D)  Seawater at 40°C 
A)  Air at 120°C 
B)  Air at -40°C 
C)  Freshwater at 24°C 
D)  Seawater at 40°C

Question 5

From the list below, choose the correct order of "physiological urgency" for each element in a given terrestrial animal, beginning with the most urgent.
I. The need for water
II. The need to void CO2
III. The need to obtain oxygen
IV. The need for food

Accepted Answer

A)  I, III, II, IV 
B)  III, II, I, IV 
C)  II, III, I, IV 
D)  II, III, IV, I 
A)  I, III, II, IV 
B)  III, II, I, IV 
C)  II, III, I, IV 
D)  II, III, IV, I

Question 6

In which situation would a water beetle's gas bubble last the shortest amount of time as a functional gill?

Accepted Answer

A)  Gas bubble = 0.1 atm O2, 0.75 atm N2; water = 0.21 atm of O2 
B)  Gas bubble = 0.1 atm O2, 0.75 atm N2; water = 0.1 atm of O2 
C)  Gas bubble = 0.2 atm O2, 0.75 atm N2; water = 0.1 atm of O2 
D)  Gas bubble = 1 atm O2; water = 0.21 atm of O2 
A)  Gas bubble = 0.1 atm O2, 0.75 atm N2; water = 0.21 atm of O2 
B)  Gas bubble = 0.1 atm O2, 0.75 atm N2; water = 0.1 atm of O2 
C)  Gas bubble = 0.2 atm O2, 0.75 atm N2; water = 0.1 atm of O2 
D)  Gas bubble = 1 atm O2; water = 0.21 atm of O2

Question 7

The process that occurs when a gas mixture or an aqueous solution flows and gas molecules in the gas or liquid phase are carried from place to place by the fluid flow is called

Accepted Answer

A)  diffusion. 
B)  convection. 
C)  tidal flow. 
D)  partial pressure. 
A)  diffusion. 
B)  convection. 
C)  tidal flow. 
D)  partial pressure.

Question 8

Refer to the figure shown.
  Which of the following have the most similar O2 partial pressures?

Accepted Answer

A)  Ambient air and alveolar gas 
B)  Alveolar gas and arterial blood 
C)  Arterial blood and average systemic capillary blood 
D)  Average systemic capillary blood and mitochondria 
A)  Ambient air and alveolar gas 
B)  Alveolar gas and arterial blood 
C)  Arterial blood and average systemic capillary blood 
D)  Average systemic capillary blood and mitochondria

Question 9

If the diameter of the body of a larval fish exceeded _______, diffusion alone would not be able to meet the demands of its oxygen consumption.

Accepted Answer

A)  0.1 mm 
B)  1.0 mm 
C)  5 mm 
D)  1 cm 
A)  0.1 mm 
B)  1.0 mm 
C)  5 mm 
D)  1 cm

Question 10

Refer to the figure shown.
  If the total pressure was 2 atm, the partial pressure of CO2 would be _______ atm.

Accepted Answer

A)  0.04 
B)  0.08 
C)  0.0004 
D)  0.0008 
A)  0.04 
B)  0.08 
C)  0.0004 
D)  0.0008

Question 11

The diffusion of an uncharged solute in aqueous solution

Accepted Answer

A)  always diffuses from regions of high concentration to regions of low concentration. 
B)  will diffuse at a rate exponential to the difference in concentration between regions. 
C)  involves a passive diffusion component as well as an active diffusion component. 
D)  diffuses faster compared to charged solutes. 
A)  always diffuses from regions of high concentration to regions of low concentration. 
B)  will diffuse at a rate exponential to the difference in concentration between regions. 
C)  involves a passive diffusion component as well as an active diffusion component. 
D)  diffuses faster compared to charged solutes.

Question 12

Oxygen enters the mitochondria

Accepted Answer

A)  by diffusion, at a rate that is dependent on the flow of the oxygenated capillary blood. 
B)  by diffusion, at a rate that is dependent on the difference in O2 partial pressure between the blood systemic capillaries and the mitochondria. 
C)  by convection, at a rate that is dependent on the difference in O2 partial pressure between the blood systemic capillaries and the mitochondria. 
D)  by convection, at a rate that is dependent on the flow of the oxygenated capillary blood. 
A)  by diffusion, at a rate that is dependent on the flow of the oxygenated capillary blood. 
B)  by diffusion, at a rate that is dependent on the difference in O2 partial pressure between the blood systemic capillaries and the mitochondria. 
C)  by convection, at a rate that is dependent on the difference in O2 partial pressure between the blood systemic capillaries and the mitochondria. 
D)  by convection, at a rate that is dependent on the flow of the oxygenated capillary blood.

Question 13

If a water beetle has used up half of the oxygen in its air bubble, the concentration of oxygen in the bubble is _______ the concentration of oxygen in the water. The partial pressure of oxygen in the bubble is _______ the partial pressure of oxygen in the water. Therefore, oxygen will move from the _______.

Accepted Answer

A)  greater than; less than; water into the bubble 
B)  less than; less than; bubble into the water 
C)  less than; less than; water into the bubble 
D)  greater than; less than; bubble into the water 
A)  greater than; less than; water into the bubble 
B)  less than; less than; bubble into the water 
C)  less than; less than; water into the bubble 
D)  greater than; less than; bubble into the water

Question 14

The movement of water across a fish gill is a good example of

Accepted Answer

A)  permeability. 
B)  tidal flow. 
C)  unidirectional flow. 
D)  Henry's law. 
A)  permeability. 
B)  tidal flow. 
C)  unidirectional flow. 
D)  Henry's law.

Question 15

In the diffusion equation,

Accepted Answer

A)  permeability is integrated into P1-P2. 
B)  permeability is integrated into K. 
C)  P1-P2 represents permeability. 
D)  X represents permeability. 
A)  permeability is integrated into P1-P2. 
B)  permeability is integrated into K. 
C)  P1-P2 represents permeability. 
D)  X represents permeability.

Question 16

If air at 0°C contains 210 mL O2 per L, how much O2 does it contain if it is heated to 24°C?

Accepted Answer

A)  210 mL O2 per L 
B)  420 mL O2 per L 
C)  192 mL O2 per L 
D)  105 mL O2 per L 
A)  210 mL O2 per L 
B)  420 mL O2 per L 
C)  192 mL O2 per L 
D)  105 mL O2 per L

Question 17

The principal process(es) by which animals use convection to transport gases is(are)

Accepted Answer

A)  ventilation. 
B)  the pumping of blood. 
C)  digestion. 
D)  ventilation and the pumping of blood. 
A)  ventilation. 
B)  the pumping of blood. 
C)  digestion. 
D)  ventilation and the pumping of blood.

Question 18

The rate of convective gas transport depends on the

Accepted Answer

A)  partial pressure of a particular gas in solution. 
B)  rate of fluid flow. 
C)  total concentration of gas in the fluid. 
D)  rate of fluid flow and the total concentration of gas in the fluid. 
A)  partial pressure of a particular gas in solution. 
B)  rate of fluid flow. 
C)  total concentration of gas in the fluid. 
D)  rate of fluid flow and the total concentration of gas in the fluid.

Question 19

Refer to the figure shown.
  Which of the following correctly matches the process with the numerical label?

Accepted Answer

A)  1 = diffusion; 2 = diffusion; 3 = convection; 4 = diffusion 
B)  1 = convection; 2 = diffusion; 3 = diffusion; 4 = diffusion 
C)  1 = diffusion; 2 = convection; 3 = diffusion; 4 = convection 
D)  1 = convection; 2 = diffusion; 3 = convection; 4 = diffusion 
A)  1 = diffusion; 2 = diffusion; 3 = convection; 4 = diffusion 
B)  1 = convection; 2 = diffusion; 3 = diffusion; 4 = diffusion 
C)  1 = diffusion; 2 = convection; 3 = diffusion; 4 = convection 
D)  1 = convection; 2 = diffusion; 3 = convection; 4 = diffusion

Question 20

Compare and contrast air and water as respiratory media. Include some approximate quantitative data in your comparison.

Accepted Answer

Animals are typically either water-breat

Exam 22: Introduction to Oxygen and Carbon Dioxide in Physiology

Refer to the figure shown. The eggs of which animal would most likely have the data profile in the figure?

Refer to the figure shown. What process(es) is(are) occurring in the figure?

The "bends" refers to a physiological condition sustained by a scuba diver in which

Which environment has the lowest amount of O2 per L?

From the list below, choose the correct order of "physiological urgency" for each element in a given terrestrial animal, beginning with the most urgent. I. The need for water II. The need to void CO2 III. The need to obtain oxygen IV. The need for food

In which situation would a water beetle's gas bubble last the shortest amount of time as a functional gill?

The process that occurs when a gas mixture or an aqueous solution flows and gas molecules in the gas or liquid phase are carried from place to place by the fluid flow is called

Refer to the figure shown. Which of the following have the most similar O2 partial pressures?

If the diameter of the body of a larval fish exceeded _______, diffusion alone would not be able to meet the demands of its oxygen consumption.

Refer to the figure shown. If the total pressure was 2 atm, the partial pressure of CO2 would be _______ atm.

The diffusion of an uncharged solute in aqueous solution

Oxygen enters the mitochondria

The movement of water across a fish gill is a good example of

In the diffusion equation,

If air at 0°C contains 210 mL O2 per L, how much O2 does it contain if it is heated to 24°C?

The principal process(es) by which animals use convection to transport gases is(are)

The rate of convective gas transport depends on the

Refer to the figure shown. Which of the following correctly matches the process with the numerical label?

Compare and contrast air and water as respiratory media. Include some approximate quantitative data in your comparison.

Animals and Environments: Function on the Ecological Stage

Molecules and Cells in Animal Physiology

Genomics, Proteomics, and Related Approaches to Physiology

Physiological Development and Epigenetics

Transport of Solutes and Water

Nutrition, Feeding, and Digestion

Energy Metabolism

Aerobic and Anaerobic Forms of Metabolism

The Energetics of Aerobic Activity

Thermal Relations

Food, Energy, and Temperature at Work: The Lives of Mammals in Frigid Places

Neurons

Synapses

Sensory Processes

Nervous System Organization and Biological Clocks

Endocrine and Neuroendocrine Physiology

Reproduction

Integrating Systems at Work: Animal Navigation

Control of Movement

Muscle

Movement and Muscle at Work: Plasticity in Response to Use and Disuse

External Respiration: the Physiology of Breathing

Transport of Oxygen and Carbon Dioxide in Body Fluids With an Introduction to Acid- Base Physiology

Circulation

Oxygen, Carbon Dioxide, and Internal Transport at Work: Diving by Marine Mammals

Water and Salt Physiology: Introduction and Mechanisms

Kidneys and Excretion With Notes on Nitrogen Excretion

Water, Salts, and Excretion at Work: Mammals of Deserts and Dry Savannas

Water and Salt Physiology of Animals in Their Environments

Filters

Which environment has the lowest amount of O₂ per L?

From the list below, choose the correct order of "physiological urgency" for each element in a given terrestrial animal, beginning with the most urgent. I. The need for water II. The need to void CO₂ III. The need to obtain oxygen IV. The need for food

Refer to the figure shown. Which of the following have the most similar O₂ partial pressures?

Refer to the figure shown. If the total pressure was 2 atm, the partial pressure of CO₂ would be _______ atm.

If air at 0°C contains 210 mL O₂ per L, how much O₂ does it contain if it is heated to 24°C?