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B2 > NBS Physiology- Respiratory > Flashcards

NBS Physiology- Respiratory Flashcards

1
Q 
The best ventilation perfusion ratio is in the \_\_\_\_\_\_\_\_ on the lungs.
A. Mediastinum
B. Middle lobe
C. Hilum
D. Apex
A

C

Hilum

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2
Q 
Which area of the lung has very little ventilation?
A. Apex
B. Right lobe
C. Left lobe
D. Hilum
A

A

Apex

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3
Q 
Tidal volume:
A. 3100ml
B. 500ml
C. 1200ml
D. 3600ml
A

B

500ml

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4
Q 
Residual volume:
A. 3100ml
B. 500ml
C. 1200ml
D. 3600ml
A

C

1200ml

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5
Q 
Total lung capacity:
A. 5000-6000ml
B. 1200ml
C. 2400ml
D. 4800 ml
A

A

5-6,000ml or 5-6Ls

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6
Q 
Vital capacity:
A. 5000-6000ml
B. 1200ml
C. 2400ml
D. 4800 ml
A

D

4800ml

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7
Q 
Inspiratory capacity:
A. 3100ml
B. 3600ml
C. 2400ml
D. 4800 ml
A

B

3600ml

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8
Q 
Inspiratory reserve volume:
A. 5000-6000ml
B. 1200ml
C. 3600ml
D. 3100ml
A

D

3100ml

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9
Q 
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
A

B

IC= IRV +TV

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10
Q 
Functional Respiratory capacity:
A. 3100ml
B. 3600ml
C. 2400ml
D. 4800 ml
A

C

2400ml

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11
Q 
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
A

D

FRC= ERV + RV

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12
Q 
Type II alveolar cells are also called:
A. Lipoprotein cells
B. Apneustic
C. Pneumoncytes
D. Podocytes
A

C

Pneumocytes

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13
Q 
What do pneumocytes secrete?
A. Surfactant
B. Intrinsic factor
C. Cholesterol
D. Lipoproteinase
A

A
surfactant

type 2 alveolar= sufactant

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14
Q 
This would decrease surface tension allowing the lungs to keep expanded?
A. Muscus
B. CO2
C. Lipoprotein
D. Arginase
A

C

Lipoprotein

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15
Q 
If there is no surfactant present, it would be called?
A. Haldene effect
B. Hyaline membrane disease
C. Bohr effect
D. Atpical penumocystic disease
A

B

Hyaline membrane disease

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16
Q

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

A

B

Contracts

17
Q

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

A

C

Rate of entry of new oxygen into the lungs by breathing

18
Q

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

A

A

Apneustic center

19
Q 
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
A

B

CO2 enters blood causing O2 to dissociate fro Hb

20
Q 
When CO2 binds with Hb this leads to an increase in:
A. Oxygen leaving blood
B. Hydrogen cleavage
C. Bicarbonate ions
D. Water
A

C

Inc. Bicarbonate ions

21
Q 
What % of CO2 is in blood as HCO3-?
A. 70%
B. 20%
C. 12%
D. 8%
A

A

70%

22
Q 
What % of CO2 as carbaminohemoglobin?
A. 70%
B. 20%
C. 12%
D. 8%
A

B

20%

23
Q 
What % of CO2 dissolves in the blood?
A. 70%
B. 20%
C. 12%
D. 8%
A

D

7-8%

24
Q 
With an increase in pleuroalveolar pressure you would:
A. Inspire
B. Expire
C. Faint
D. Vomit
A

B

Expire

25
Q

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

A

A

Pneumotaxic center

26
Q

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

A

C

Herring-Breuer Reflex

27
Q 
Your total lung capacity is best described as:
A. VC +RV
B. ERV + IRV
C. FRC + TV
D. 4800ml
A

A
VC + RV

4800+ 500

28
Q

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

A

Now hit up those rectus abdominals and fully expire

B2 (31 decks)

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