NBS Physiology- Respiratory Flashcards Preview

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Flashcards in NBS Physiology- Respiratory Deck (28):
1

The best ventilation perfusion ratio is in the ________ on the lungs.
A. Mediastinum
B. Middle lobe
C. Hilum
D. Apex

C
Hilum

2

Which area of the lung has very little ventilation?
A. Apex
B. Right lobe
C. Left lobe
D. Hilum

A
Apex

3

Tidal volume:
A. 3100ml
B. 500ml
C. 1200ml
D. 3600ml

B
500ml

4

Residual volume:
A. 3100ml
B. 500ml
C. 1200ml
D. 3600ml

C
1200ml

5

Total lung capacity:
A. 5000-6000ml
B. 1200ml
C. 2400ml
D. 4800 ml

A
5-6,000ml or 5-6Ls

6

Vital capacity:
A. 5000-6000ml
B. 1200ml
C. 2400ml
D. 4800 ml

D
4800ml

7

Inspiratory capacity:
A. 3100ml
B. 3600ml
C. 2400ml
D. 4800 ml

B
3600ml

8

Inspiratory reserve volume:
A. 5000-6000ml
B. 1200ml
C. 3600ml
D. 3100ml

D
3100ml

9

Inspiratory is made up of:
A. Expiratory Reserve vol + Residual Vol
B. Tidal + Inspiratory Reserve vol
C. Tidal vol + Residual Vol
D. Expiratory Reserve vol + Residual vol

B
IC= IRV +TV

10

Functional Respiratory capacity:
A. 3100ml
B. 3600ml
C. 2400ml
D. 4800 ml

C
2400ml

11

Functional Respiratory capacity is made up of:
A. Expiratory Reserve vol + Residual Vol
B. Tidal + Inspiratory Reserve vol
C. Tidal vol + Residual Vol
D. Expiratory Reserve vol + Residual vol

D

FRC= ERV + RV

12

Type II alveolar cells are also called:
A. Lipoprotein cells
B. Apneustic
C. Pneumoncytes
D. Podocytes

C
Pneumocytes

13

What do pneumocytes secrete?
A. Surfactant
B. Intrinsic factor
C. Cholesterol
D. Lipoproteinase

A
surfactant

type 2 alveolar= sufactant

14

This would decrease surface tension allowing the lungs to keep expanded?
A. Muscus
B. CO2
C. Lipoprotein
D. Arginase

C
Lipoprotein

15

If there is no surfactant present, it would be called?
A. Haldene effect
B. Hyaline membrane disease
C. Bohr effect
D. Atpical penumocystic disease

B
Hyaline membrane disease

16

During inspiration the diaphargm:
A. Relaxes
B. Contracts
C. Increased pressure in lungs

B
Contracts

17

Oxygen concentration in the alveoli is controlled by the rate of absorption oxygen into the blood and the:
A. Rate of breathing : Heart beat ratio
B. Expiration rate of CO2 gases
C. Rate of entry of new oxygen into the lungs by breathing
D. Rate of diaphragmic contractions during inspiration

C
Rate of entry of new oxygen into the lungs by breathing

18

This Prevents the turn off of inspiratory center:
A. Apneustic center
B. Pneumotaxic center
C. Herring-Breuer reflex

A
Apneustic center

19

This best describes the Bohr effect:
A. CO2 combines with Hb
B. O2 Dissociation from Hb
C. Less CO2 in blood
D. O2 Binds Hb

B

CO2 enters blood causing O2 to dissociate fro Hb

20

When CO2 binds with Hb this leads to an increase in:
A. Oxygen leaving blood
B. Hydrogen cleavage
C. Bicarbonate ions
D. Water

C

Inc. Bicarbonate ions

21

What % of CO2 is in blood as HCO3-?
A. 70%
B. 20%
C. 12%
D. 8%

A
70%

22

What % of CO2 as carbaminohemoglobin?
A. 70%
B. 20%
C. 12%
D. 8%

B
20%

23

What % of CO2 dissolves in the blood?
A. 70%
B. 20%
C. 12%
D. 8%

D

7-8%

24

With an increase in pleuroalveolar pressure you would:
A. Inspire
B. Expire
C. Faint
D. Vomit

B
Expire

25

This helps to turn off the inspiratory center before overexpansion of lungs occurs?
A. Pneumotaxic center
B. Apneustic center
C. Herring-Breuer Reflex

A
Pneumotaxic center

26

Stretch receptors in the bronchii prevents over stretching of the lungs. What deals with this?
A. Pneumotaxic center
B. Apneustic center
C. Herring-Breuer Reflex

C
Herring-Breuer Reflex

27

Your total lung capacity is best described as:
A. VC +RV
B. ERV + IRV
C. FRC + TV
D. 4800ml

A
VC + RV

4800+ 500

28

Contract that diaphragm and take deep breath! We can do this ish

Now hit up those rectus abdominals and fully expire