Question 1

Studies on energy costs of routine daily activity of animals focus on aerobic ATP production because

Accepted Answer

A)  ATP requirements of routine daily living are mostly met aerobically. 
B)  ATP requirements of routine daily living are mostly met anaerobically. 
C)  animals generate ATP aerobically during the day. 
D)  all activities of interest use ATP generated aerobically. 
A)  ATP requirements of routine daily living are mostly met aerobically. 
B)  ATP requirements of routine daily living are mostly met anaerobically. 
C)  animals generate ATP aerobically during the day. 
D)  all activities of interest use ATP generated aerobically.

Question 2

Based on the study done by Taylor et al. (1970), the animal whose rate of oxygen consumption relative to its running speed creates a linear plot is a

Accepted Answer

A)  lizard. 
B)  magpie. 
C)  trout. 
D)  ground squirrel. 
A)  lizard. 
B)  magpie. 
C)  trout. 
D)  ground squirrel.

Question 3

As a human runs faster, her metabolic rate

Accepted Answer

A)  increases. 
B)  decreases. 
C)  stays the same. 
D)  decreases first and then increases. 
A)  increases. 
B)  decreases. 
C)  stays the same. 
D)  decreases first and then increases.

Question 4

The symmorphosis hypothesis states that

Accepted Answer

A)  the circulatory system is the "weakest link." 
B)  V̇O2max is the maximal amount of oxygen consumed. 
C)  all systems have the same limitations when it comes to oxygen transport. 
D)  the consumed amount of oxygen is correlated with the amount of ATP produced. 
A)  the circulatory system is the "weakest link." 
B)  V̇O2max is the maximal amount of oxygen consumed. 
C)  all systems have the same limitations when it comes to oxygen transport. 
D)  the consumed amount of oxygen is correlated with the amount of ATP produced.

Question 5

What are the physiological causes of the limits of oxygen consumption?

Accepted Answer

Some physiologists argue that a particul

Question 6

Which statement regarding an individual riding a bike and a running individual is true?

Accepted Answer

A)  The individual cyclist will have less cost of transport than the runner. 
B)  The runner will have less cost of transport than the cyclist. 
C)  Both individuals will have the same cost of energy. 
D)  The runner will have more cost of energy during the first ten minutes and then he will have less. 
A)  The individual cyclist will have less cost of transport than the runner. 
B)  The runner will have less cost of transport than the cyclist. 
C)  Both individuals will have the same cost of energy. 
D)  The runner will have more cost of energy during the first ten minutes and then he will have less.

Question 7

If an animal spends 6 hours a day chasing prey (50 kJ/hr) and 18 hours a day resting (10 kJ/hr), its average hourly cost of behavior is _______ kJ/hr.

Accepted Answer

A)  20 
B)  24 
C)  30 
D)  50 
A)  20 
B)  24 
C)  30 
D)  50

Question 8

What is the relationship between V̇O2max and aging? What effect does the change in V̇O2max have on the type of exercise performed?

Accepted Answer

As people age beyond young adulthood, th

Question 9

In an experiment in which an animal is injected with deuterium and oxygen-18 (D218O method) and then released into the wild, which of the following trends would you expect to see from measurements taken after a period of rest and again after a period of exercise?

Accepted Answer

A)  CO2 production will be higher during exercise than at rest. 
B)  CO2 production will be equal during exercise and at rest. 
C)  O2 production will be higher during exercise than at rest. 
D)  O2 production will be equal during exercise than at rest. 
A)  CO2 production will be higher during exercise than at rest. 
B)  CO2 production will be equal during exercise and at rest. 
C)  O2 production will be higher during exercise than at rest. 
D)  O2 production will be equal during exercise than at rest.

Question 10

Which activity requires the highest V̇O2max?

Accepted Answer

A)  Long distance running 
B)  Canoeing 
C)  Ice hockey 
D)  Cross-country skiing 
A)  Long distance running 
B)  Canoeing 
C)  Ice hockey 
D)  Cross-country skiing

Question 11

Assuming individuals of the same body size, one who is at _______ would have the lowest V̇O2max.

Accepted Answer

A)  sea level 
B)  500 feet above sea level 
C)  1000 feet above sea level 
D)  1500 feet above sea level 
A)  sea level 
B)  500 feet above sea level 
C)  1000 feet above sea level 
D)  1500 feet above sea level

Question 12

Explain how V̇O2max changes with endurance training.

Accepted Answer

As a result of endurance training, aerob

Question 13

Comparing animals that share a single primary mode of locomotion, large bodied species will cover distances at a _______ weight-specific cost than small bodied species.

Accepted Answer

A)  lower 
B)  slightly higher 
C)  higher 
D)  much higher 
A)  lower 
B)  slightly higher 
C)  higher 
D)  much higher

Question 14

According to the symmorphosis hypothesis, the skeletal system

Accepted Answer

A)  and the circulatory system have the same capability regarding oxygen consumption. 
B)  has a higher capability regarding oxygen consumption compared to the circulatory system. 
C)  has a lower capability regarding oxygen consumption compared to the circulatory system. 
D)  has a lower capability regarding oxygen consumption compared to the pulmonary system. 
A)  and the circulatory system have the same capability regarding oxygen consumption. 
B)  has a higher capability regarding oxygen consumption compared to the circulatory system. 
C)  has a lower capability regarding oxygen consumption compared to the circulatory system. 
D)  has a lower capability regarding oxygen consumption compared to the pulmonary system.

Question 15

Which one of the following activities has the highest average daily metabolic rate as a ratio of resting metabolic rate?

Accepted Answer

A)  Humans hiking 
B)  22-day Tour de France race 
C)  Gray seals nursing pups 
D)  Perching birds rearing young 
A)  Humans hiking 
B)  22-day Tour de France race 
C)  Gray seals nursing pups 
D)  Perching birds rearing young

Question 16

Foraging birds typically fuel this activity by

Accepted Answer

A)  anaerobic mechanisms. 
B)  aerobic mechanisms. 
C)  an equal mixture of aerobic and anaerobic mechanisms. 
D)  an equal mixture of aerobic mechanisms and the phosphagen system. 
A)  anaerobic mechanisms. 
B)  aerobic mechanisms. 
C)  an equal mixture of aerobic and anaerobic mechanisms. 
D)  an equal mixture of aerobic mechanisms and the phosphagen system.

Question 17

In birds, what is the advantage of using proteins as a source of energy during migration?

Accepted Answer

Although birds do not store proteins for

Question 18

According to many physiologists, the _______ system is considered to be the "weakest link" regarding V̇O2max.

Accepted Answer

A)  circulatory 
B)  nervous 
C)  muscular 
D)  digestive 
A)  circulatory 
B)  nervous 
C)  muscular 
D)  digestive

Question 19

When looking at the ratio of V̇O2max to resting O2 consumption at the same temperature, we are referring to

Accepted Answer

A)  symmorphosis. 
B)  aerobic scope of activity. 
C)  aerobic expansibility. 
D)  aerobic capacity. 
A)  symmorphosis. 
B)  aerobic scope of activity. 
C)  aerobic expansibility. 
D)  aerobic capacity.

Question 20

A pronghorn can run for a longer period of time than a cheetah because a pronghorn

Accepted Answer

A)  is adapted to aerobic respiration during running while the cheetah relies on anaerobic cellular respiration. 
B)  achieves faster speeds than the cheetah does. 
C)  has stronger sprinting skeletal muscles than the cheetah does. 
D)  more glycogen in its muscles than the cheetah does. 
A)  is adapted to aerobic respiration during running while the cheetah relies on anaerobic cellular respiration. 
B)  achieves faster speeds than the cheetah does. 
C)  has stronger sprinting skeletal muscles than the cheetah does. 
D)  more glycogen in its muscles than the cheetah does.

Exam 9: The Energetics of Aerobic Activity

Studies on energy costs of routine daily activity of animals focus on aerobic ATP production because

Based on the study done by Taylor et al. (1970), the animal whose rate of oxygen consumption relative to its running speed creates a linear plot is a

As a human runs faster, her metabolic rate

The symmorphosis hypothesis states that

What are the physiological causes of the limits of oxygen consumption?

Which statement regarding an individual riding a bike and a running individual is true?

If an animal spends 6 hours a day chasing prey (50 kJ/hr) and 18 hours a day resting (10 kJ/hr), its average hourly cost of behavior is _______ kJ/hr.

What is the relationship between V̇O2max and aging? What effect does the change in V̇O2max have on the type of exercise performed?

In an experiment in which an animal is injected with deuterium and oxygen-18 (D218O method) and then released into the wild, which of the following trends would you expect to see from measurements taken after a period of rest and again after a period of exercise?

Which activity requires the highest V̇O2max?

Assuming individuals of the same body size, one who is at _______ would have the lowest V̇O2max.

Explain how V̇O2max changes with endurance training.

Comparing animals that share a single primary mode of locomotion, large bodied species will cover distances at a _______ weight-specific cost than small bodied species.

According to the symmorphosis hypothesis, the skeletal system

Which one of the following activities has the highest average daily metabolic rate as a ratio of resting metabolic rate?

Foraging birds typically fuel this activity by

In birds, what is the advantage of using proteins as a source of energy during migration?

According to many physiologists, the _______ system is considered to be the "weakest link" regarding V̇O2max.

When looking at the ratio of V̇O2max to resting O2 consumption at the same temperature, we are referring to

A pronghorn can run for a longer period of time than a cheetah because a pronghorn

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

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

Introduction to Oxygen and Carbon Dioxide in Physiology

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

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What is the relationship between V̇_O2max and aging? What effect does the change in V̇_O_2max have on the type of exercise performed?

In an experiment in which an animal is injected with deuterium and oxygen-18 (D₂¹⁸O method) and then released into the wild, which of the following trends would you expect to see from measurements taken after a period of rest and again after a period of exercise?

Which activity requires the highest V̇_O_2max?

Assuming individuals of the same body size, one who is at _______ would have the lowest V̇_O_2max.

Explain how V̇_O_2max changes with endurance training.

According to many physiologists, the _______ system is considered to be the "weakest link" regarding V̇_O2max.

When looking at the ratio of V̇_O_2max to resting O₂ consumption at the same temperature, we are referring to