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99 Cards in this Set

  • Front
  • Back

What are the two zones of the respiratory system?

Conduction and respiratory

Conduction zone

All structures of the rs through which air passes before reaching the respiratory zone

Respiratory zone

Structures of the rs where there is exchange of gases between the rs and the circulatory system

3 parts of the respiratory membrane

Alveolar epithelium


Fused based laminas


Capillary endothelium

Type 2 cells produce ___ and what is the function of the substance produced.

-surfactant


-reduces surface tension within the alveolus

What is the function of the macrophages

Engulf microorganisms and foreign particles

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Hemoglobin is composed of a protein portion called ___. How many polypeptide chains are found in one molecule of Hb?

-globin


-4 chains

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Hemoglobin is composed of a protein portion called ___. How many polypeptide chains are found in one molecule of Hb?

-globin


-4 chains

Each polypeptide is bound to how many heme groups? What type of atom is at the center of each gene group? Each iron atom will bind to how many molecules of oxygen?

-one group/polypeptide


-iron atom


-one molecule

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Hemoglobin is composed of a protein portion called ___. How many polypeptide chains are found in one molecule of Hb?

-globin


-4 chains

Each polypeptide is bound to how many heme groups? What type of atom is at the center of each gene group? Each iron atom will bind to how many molecules of oxygen?

-one group/polypeptide


-iron atom


-one molecule

Each rbc will carry how many molecules of Hb?

280 million

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Hemoglobin is composed of a protein portion called ___. How many polypeptide chains are found in one molecule of Hb?

-globin


-4 chains

Each polypeptide is bound to how many heme groups? What type of atom is at the center of each gene group? Each iron atom will bind to how many molecules of oxygen?

-one group/polypeptide


-iron atom


-one molecule

Each rbc will carry how many molecules of Hb?

280 million

How many molecules of oxygen will each rbc carry?

1 billion

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Hemoglobin is composed of a protein portion called ___. How many polypeptide chains are found in one molecule of Hb?

-globin


-4 chains

Each polypeptide is bound to how many heme groups? What type of atom is at the center of each gene group? Each iron atom will bind to how many molecules of oxygen?

-one group/polypeptide


-iron atom


-one molecule

Each rbc will carry how many molecules of Hb?

280 million

How many molecules of oxygen will each rbc carry?

1 billion

Iron state of oxyhemoglobin, de oxyhemoglobin, methemoglobin, carboxyhemoglobin

Oxy\deoxy- ferrous


Met-ferric


Carboxyhemoglobin- n/a

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Describe the Hb concentration and oxygen carrying capacity for anemia and polycythemia

-Anemia- below normal- reduced capacity


-polycythemia-above normal- increased capacity

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Hemoglobin is composed of a protein portion called ___. How many polypeptide chains are found in one molecule of Hb?

-globin


-4 chains

Each polypeptide is bound to how many heme groups? What type of atom is at the center of each gene group? Each iron atom will bind to how many molecules of oxygen?

-one group/polypeptide


-iron atom


-one molecule

Each rbc will carry how many molecules of Hb?

280 million

How many molecules of oxygen will each rbc carry?

1 billion

Iron state of oxyhemoglobin, de oxyhemoglobin, methemoglobin, carboxyhemoglobin

Oxy\deoxy- ferrous


Met-ferric


Carboxyhemoglobin- n/a

Gas exchange occurs through the respiratory membrane by simple diffusion. T/F

True

Describe the Hb concentration and oxygen carrying capacity for anemia and polycythemia

-Anemia- below normal- reduced capacity


-polycythemia-above normal- increased capacity

Erythropoietin is a hormone produced by the ___ and controls ___

-kidneys


-Hb production and rbc formation

Dyspnea or shortness of breath is common in all 3 of the pulmonary disorders listed

Asthma, emphysema, pulmonary fibrosis

___ is the obstruction of air flow through the ___

Asthma ; bronchioles

The most common form of emphysema is caused by___

Cigarette smoke

In pulmonary fibrosis the normal structures of the lungs are replaced with what type of tissue

Fibrous CT

Hemoglobin is composed of a protein portion called ___. How many polypeptide chains are found in one molecule of Hb?

-globin


-4 chains

Each polypeptide is bound to how many heme groups? What type of atom is at the center of each gene group? Each iron atom will bind to how many molecules of oxygen?

-one group/polypeptide


-iron atom


-one molecule

Each rbc will carry how many molecules of Hb?

280 million

How many molecules of oxygen will each rbc carry?

1 billion

Iron state of oxyhemoglobin, de oxyhemoglobin, methemoglobin, carboxyhemoglobin

Oxy\deoxy- ferrous


Met-ferric


Carboxyhemoglobin- n/a

2 ways oxygen is transported in the blood and percentages of each

-bound to Hb with rbc- 98.5%


-dissolved in the plasma- 1.5%

2 ways oxygen is transported in the blood and percentages of each

-bound to Hb with rbc- 98.5%


-dissolved in the plasma- 1.5%

The ability of Hb to reversibly bind or release oxygen is regulated by what two factors

-association


-dissociation

2 ways oxygen is transported in the blood and percentages of each

-bound to Hb with rbc- 98.5%


-dissolved in the plasma- 1.5%

The ability of Hb to reversibly bind or release oxygen is regulated by what two factors

-association


-dissociation

Oxygen binding

Association; po2 above 50

2 ways oxygen is transported in the blood and percentages of each

-bound to Hb with rbc- 98.5%


-dissolved in the plasma- 1.5%

The ability of Hb to reversibly bind or release oxygen is regulated by what two factors

-association


-dissociation

Oxygen binding

Association; po2 above 50

Oxygen release

Disassociation; po2 below 50

2 ways oxygen is transported in the blood and percentages of each

-bound to Hb with rbc- 98.5%


-dissolved in the plasma- 1.5%

The ability of Hb to reversibly bind or release oxygen is regulated by what two factors

-association


-dissociation

Oxygen binding

Association; po2 above 50

Oxygen release

Disassociation; po2 below 50

Affinity

A change in the bond strength btw oxygen and Hb will lead to a change In the Amt of oxygen binding to Hb at any given partial pressure of oxygen