Quiz 5 Flashcards

1
Q

low p50 means high or low oxygen affinity

A

high

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Oxygentation of hemoglobin does what to the C02 saturation curve?

A

moves it down and to the right

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

fick principle for tissue gas exchagne

A

CaO2-CvO2=VO2/Q

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Vd/Vt is a ratio of what

A

dead space to title volume

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

equation to calculate (Vd/Vt) anatomical

A

(PACO2-PeCO2)/PACO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

large dead space makes P expired CO2 closer to PIC02 or PaCO2

A

PICO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

small dead space makes P expired CO2 closer to PIC02 or PACO2

A

PACO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

PICO2 is nearly what value?

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

physiological dead space causes PAO2 to be above or below true value?

A

below

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

equation to calculate (Vd/Vt) physiological

A

(PaCO2-PeCO2)/PaCO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

central assumption of gas exchange in regards PaCO2

A

PaCO2= true PACO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

PACO2=

A

(vdotCO2/VdotA)*0.863

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

draw the graph that relates Vdot A PACO2 , and vdotCO2

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

hyper/hypoventilation is defined by

A

PACO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

If alveoli fail to get ventilation what do the alveolar values look like

A

equilibrates w/ pulmonary capillary blood

PACO2=46 mm Hg

PAO2=40 mmm Hg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

draw the graph that relates Vdot A PAO2 , and vdotO2

A
17
Q

PAO2=

A

PIO2-(PaO2*1.2)

18
Q

(vdotO2/VdotA)

A

PIO2-PAO2