Question 1

Match each sentence with the most appropriate choice:
-Effect of blood acidosis on lowering blood oxygen content

Accepted Answer

A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect 
A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect

Question 2

Tuna, one of the most active fish in the ocean, have lost their breathing muscles.

Accepted Answer

A) True 
 B)False

Question 3

The most complex respiratory system among vertebrates is found in

Accepted Answer

A)  mammals. 
B)  reptiles. 
C)  birds. 
D)  amphibians. 
E)  fish. 
A)  mammals. 
B)  reptiles. 
C)  birds. 
D)  amphibians. 
E)  fish.

Question 4

Match each sentence with the most appropriate choice:
-Relaxation of diaphragm

Accepted Answer

A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect 
A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect

Question 5

Match each sentence with the most appropriate choice:
-Hemoglobin

Accepted Answer

A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect 
A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect

Question 6

In a normal, healthy individual, a fall in arterial PCO2 reflexly reduces the respiratory
 drive.

Accepted Answer

A) True 
 B)False

Question 7

Neural control of respiration

Accepted Answer

A)  involves factors that regulate the magnitude of ventilation to match physiological needs. 
B)  factors that modify respiratory activity to serve other purposes. 
C)  the neural pattern generator program responsible for the alternating inspiration/expiration rhythm. 
D)  all of these. 
E)  none of these. 
A)  involves factors that regulate the magnitude of ventilation to match physiological needs. 
B)  factors that modify respiratory activity to serve other purposes. 
C)  the neural pattern generator program responsible for the alternating inspiration/expiration rhythm. 
D)  all of these. 
E)  none of these.

Question 8

Hemoglobin may increase in animals as a result of

Accepted Answer

A)  seasonal changes. 
B)  locomotory activity. 
C)  anemia. 
D)  all of these. 
E)  none of these. 
A)  seasonal changes. 
B)  locomotory activity. 
C)  anemia. 
D)  all of these. 
E)  none of these.

Question 9

In birds and mammals, the surface area of the lungs increases markedly because of

Accepted Answer

A)  their high metabolic rate. 
B)  the high oxygen concentration in air. 
C)  a large body size. 
D)  their endothermic metabolism. 
E)  the drier air environment. 
A)  their high metabolic rate. 
B)  the high oxygen concentration in air. 
C)  a large body size. 
D)  their endothermic metabolism. 
E)  the drier air environment.

Question 10

In birds, one breathing cycle is made up of

Accepted Answer

A)  one inspiration and one expiration. 
B)  one inspiration and two expirations. 
C)  two inspirations and two expirations. 
D)  two inspirations and one expirations. 
E)  two inspirations and three expirations. 
A)  one inspiration and one expiration. 
B)  one inspiration and two expirations. 
C)  two inspirations and two expirations. 
D)  two inspirations and one expirations. 
E)  two inspirations and three expirations.

Question 11

Thickness of the barriers separating the air or water from the blood increases because of

Accepted Answer

A)  low or high environmental pH. 
B)  pulmonary edema. 
C)  pulmonary fibrosis. 
D)  pneumonia. 
E)  all of these. 
A)  low or high environmental pH. 
B)  pulmonary edema. 
C)  pulmonary fibrosis. 
D)  pneumonia. 
E)  all of these.

Question 12

Match each sentence with the most appropriate choice:
-R-state of hemoglobin

Accepted Answer

A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect 
A)  bird 
B)  Bohr's effect 
C)  Copper 
D)  Mammals 
E)  iron
F) expiration
G) inspiration
H) low affinity for oxygen
I) high affinity for oxygen
J) Root effect

Question 13

To accommodate for their high surface to volume ratio, smaller mammals

Accepted Answer

A)  reduce the size of each alveolus. 
B)  increase alveolar density. 
C)  increase the density of capillaries used in gas exchange. 
D)  reduce the size of each alveolus and increase alveolar density. 
E)  all of these. 
A)  reduce the size of each alveolus. 
B)  increase alveolar density. 
C)  increase the density of capillaries used in gas exchange. 
D)  reduce the size of each alveolus and increase alveolar density. 
E)  all of these.

Question 14

Birds have a membranous instead of a muscular diaphragm.

Accepted Answer

A) True 
 B)False

Question 15

Airflow in and out of the spiracles of the insect tracheal system is regulated by motor
 output from the cerebral ganglia.

Accepted Answer

A) True 
 B)False

Question 16

Discuss various muscle movements in inspiration and expirations.

Accepted Answer

Muscle movements play a crucial role in

Question 17

Which respiratory pigment is found only in annelids?

Accepted Answer

A)  erthyrocruorin 
B)  chlorocruorin 
C)  hemerythrin 
D)  erthyrocruorin and chlorocruorin 
E)  all of these are present in phylum Annelida. 
A)  erthyrocruorin 
B)  chlorocruorin 
C)  hemerythrin 
D)  erthyrocruorin and chlorocruorin 
E)  all of these are present in phylum Annelida.

Question 18

As inspiration begins, the intra-alveolar pressure is

Accepted Answer

A)  higher than the atmospheric pressure. 
B)  lower than the atmospheric pressure. 
C)  the same as the atmospheric pressure. 
D)  higher than internal pressure. 
E)  none of these. 
A)  higher than the atmospheric pressure. 
B)  lower than the atmospheric pressure. 
C)  the same as the atmospheric pressure. 
D)  higher than internal pressure. 
E)  none of these.

Question 19

Lungs in fish originally evolved as a simple evagination of the

Accepted Answer

A)  gills. 
B)  integument. 
C)  buccal cavity. 
D)  pharynx. 
E)  digestive system. 
A)  gills. 
B)  integument. 
C)  buccal cavity. 
D)  pharynx. 
E)  digestive system.

Question 20

Respiration in birds differs from mammals in that birds have

Accepted Answer

A)  lungs used for gas exchange only. 
B)  a comparatively higher tracheal volume. 
C)  air capillaries. 
D)  air sacs for ventilation. 
E)  all of these. 
A)  lungs used for gas exchange only. 
B)  a comparatively higher tracheal volume. 
C)  air capillaries. 
D)  air sacs for ventilation. 
E)  all of these.

Match each sentence with the most appropriate choice: -Effect of blood acidosis on lowering blood oxygen content

Tuna, one of the most active fish in the ocean, have lost their breathing muscles.

The most complex respiratory system among vertebrates is found in

Match each sentence with the most appropriate choice: -Relaxation of diaphragm

Match each sentence with the most appropriate choice: -Hemoglobin

In a normal, healthy individual, a fall in arterial P_CO2 reflexly reduces the respiratory drive.

Neural control of respiration

Hemoglobin may increase in animals as a result of

In birds and mammals, the surface area of the lungs increases markedly because of

In birds, one breathing cycle is made up of

Thickness of the barriers separating the air or water from the blood increases because of

Match each sentence with the most appropriate choice: -R-state of hemoglobin

To accommodate for their high surface to volume ratio, smaller mammals

Birds have a membranous instead of a muscular diaphragm.

Airflow in and out of the spiracles of the insect tracheal system is regulated by motor output from the cerebral ganglia.

Discuss various muscle movements in inspiration and expirations.

Which respiratory pigment is found only in annelids?

As inspiration begins, the intra-alveolar pressure is

Lungs in fish originally evolved as a simple evagination of the

Respiration in birds differs from mammals in that birds have

Homeostasis and Integration: The Foundations of Physiology

Cellular and Molecular Physiology

Membrane Physiology

Neuronal Physiology

Nervous Systems

Sensory Physiology

Endocrine Systems

Muscle Physiology

Circulatory Systems

Defense Systems

Excretory Systems

Fluid and Acid-Base Balance

Digestive Systems

Energy Balance and Thermal Physiology

Reproductive Systems

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Exam 11: Respiratory Systems

Match each sentence with the most appropriate choice: -Effect of blood acidosis on lowering blood oxygen content

Tuna, one of the most active fish in the ocean, have lost their breathing muscles.

The most complex respiratory system among vertebrates is found in

Match each sentence with the most appropriate choice: -Relaxation of diaphragm

Match each sentence with the most appropriate choice: -Hemoglobin

In a normal, healthy individual, a fall in arterial PCO2 reflexly reduces the respiratory drive.

Neural control of respiration

Hemoglobin may increase in animals as a result of

In birds and mammals, the surface area of the lungs increases markedly because of

In birds, one breathing cycle is made up of

Thickness of the barriers separating the air or water from the blood increases because of

Match each sentence with the most appropriate choice: -R-state of hemoglobin

To accommodate for their high surface to volume ratio, smaller mammals

Birds have a membranous instead of a muscular diaphragm.

Airflow in and out of the spiracles of the insect tracheal system is regulated by motor output from the cerebral ganglia.

Discuss various muscle movements in inspiration and expirations.

Which respiratory pigment is found only in annelids?

As inspiration begins, the intra-alveolar pressure is

Lungs in fish originally evolved as a simple evagination of the

Respiration in birds differs from mammals in that birds have

Homeostasis and Integration: The Foundations of Physiology

Cellular and Molecular Physiology

Membrane Physiology

Neuronal Physiology

Nervous Systems

Sensory Physiology

Endocrine Systems

Muscle Physiology

Circulatory Systems

Defense Systems

Excretory Systems

Fluid and Acid-Base Balance

Digestive Systems

Energy Balance and Thermal Physiology

Reproductive Systems

Filters

In a normal, healthy individual, a fall in arterial P_CO2 reflexly reduces the respiratory drive.