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PE 461 > Respiratory > Flashcards

Respiratory Flashcards

1
Q

reverse

the volume of gas that reaches the alveolar region of the lung

A

alveolar ventilation

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2
Q

reverse

microscopic air sacks located in the lung

A

alveoli

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3
Q

reverse

the total volume of the lung that does not participate in gas exchange

A

anatomical dead space

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4
Q

reverse

receptors located in the arch of the aorta that are capable of detecting changes in arterial PO2

A

aortic bodies

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5
Q

reverse

right shift of the oxyhemoglobin dissociation curve due to a decrease in blood pH

A

Bohr effect

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6
Q

reverse

mass movement of molecules from high pressure area to low pressure area

A

bulk flow

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7
Q

reverse

chemoreceptors located in the internal carotid artery

A

carotid bodies

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8
Q

reverse

process of oxygen consumption and carbon dioxide production in cells

A

cellular respiration

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9
Q

reverse

hemoglobin not in combination with oxygen

A

deoxyhemoglobin

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10
Q

reverse

major respiratory muscle responsible for inspiration

A

diaphragm

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11
Q

reverse

random movement of molecules from an area of high concentration to an area of low concentration

A

diffusion

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12
Q

reverse

red blood cell responsible for transporting oxygen

A

hemoglobin

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13
Q

reverse

protein in muscle that can bind oxygen and release it at low PO2 values

A

myoglobin

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14
Q

reverse

hemoglobin combined with oxygen

A

oxyhemoglobin

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15
Q

reverse

fractional part of the barometric pressure due to the presence of a single gas

A

partial pressure

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16
Q

reverse

thin lining of cells that is attached to the inside of the chest wall and to the lung

A

pleura

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17
Q

reverse

refers to ventilation of the lung

A

pulmonary respiration

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18
Q

reverse

volume of air in the lungs following a maximal experation

A

residual volume (RV)

19
Q

reverse

The exchange of oxygen and carbon dioxide between the lungs and the enviorment

A

respiration

20
Q

reverse

measurement of varied lung volumes

A

spirometry

21
Q

reverse

volume of air inhaled or exhaled in a single breath

A

tidal volume

22
Q

reverse

total volume of air the lung can contain

A

total lung capacity (TLC)

23
Q

reverse

movement of air into or out of the lungs

A

ventilation

24
Q

reverse

the breakpoint at which pulmonary ventilation and carbon dioxide output increase exponentially during an incremental exercise test

A

ventilatory threshold

25
Q

reverse

volume of air that can be moved into or out of the lungs in one breath

A

vital capacity

26
Q

reverse

compounds capable of giving up hydrogen ions into a solution

A

acid

27
Q

reverse

an abnormal increase in blood hydrogen ion concentration

A

acidosis

28
Q

reverse

an abnormal increase in blood concentration of OH- ions, resulting in a rise in arterial pH

A

alkalosis

29
Q

reverse

compounds that ionize in water

A

base

30
Q

reverse

compound that resists pH change

A

buffer

31
Q

reverse

free hydrogen ion in solution that results in a decrease in pH of the solution

A

hydrogen ion

32
Q

reverse

a single atom or small molecule with a charge of either positive or negative

A

ion

33
Q

reverse

a measure of the acidity of a solution

A

pH

34
Q

reverse

the buffering of excess H+ in the blood by plasma bicarbonate, and associated elevation in ventilation to exhale the resulting CO2

A

respiratory compensation

35
Q

reverse

acid that completely ionizes causing an anion

A

strong acids

36
Q

reverse

a base that completely dissolves resulting in a cation

A

strong bases

37
Q

reverse

The total pressure of a mixture of gases equals the sum of the partial pressures of the individual gases in the mixture.

A

Daltons Law

38
Q

reverse

Gases dissolve in liquids in proportion to their partial pressures, depending on their solubility in the specific fluids and depending on the temperature.

A

Henrys Law

39
Q

Shortness of breath

A

Dyspnea

40
Q

Increase in ventilation that exceeds the metabolic need for oxygen

A

Hyperventilation

41
Q

Point during graded exercise at which the rate of anaerobic metabolism exceeds the rate of aerobic metabolism

A

Anaerobic Threshold

42
Q

The point during intense exercise at which ventilation increases disproportionately to the oxygen consumption

A

Ventilatory Breakpoint

43
Q

A contraction of the muscles surrounding the air passages, which narrows these passages and causes wheezing, shortness of breath and heaviness in the chest

A

Asthma

44
Q

the ability of blood (and/or) muscle to resist changes in pH when acids are either added or removed

A

Buffer Capacity

PE 461 (8 decks)

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