NBS Physiology- Respiratory Flashcards
The best ventilation perfusion ratio is in the \_\_\_\_\_\_\_\_ on the lungs. A. Mediastinum B. Middle lobe C. Hilum D. Apex
C
Hilum
Which area of the lung has very little ventilation? A. Apex B. Right lobe C. Left lobe D. Hilum
A
Apex
Tidal volume: A. 3100ml B. 500ml C. 1200ml D. 3600ml
B
500ml
Residual volume: A. 3100ml B. 500ml C. 1200ml D. 3600ml
C
1200ml
Total lung capacity: A. 5000-6000ml B. 1200ml C. 2400ml D. 4800 ml
A
5-6,000ml or 5-6Ls
Vital capacity: A. 5000-6000ml B. 1200ml C. 2400ml D. 4800 ml
D
4800ml
Inspiratory capacity: A. 3100ml B. 3600ml C. 2400ml D. 4800 ml
B
3600ml
Inspiratory reserve volume: A. 5000-6000ml B. 1200ml C. 3600ml D. 3100ml
D
3100ml
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
Functional Respiratory capacity: A. 3100ml B. 3600ml C. 2400ml D. 4800 ml
C
2400ml
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
Type II alveolar cells are also called: A. Lipoprotein cells B. Apneustic C. Pneumoncytes D. Podocytes
C
Pneumocytes
What do pneumocytes secrete? A. Surfactant B. Intrinsic factor C. Cholesterol D. Lipoproteinase
A
surfactant
type 2 alveolar= sufactant
This would decrease surface tension allowing the lungs to keep expanded? A. Muscus B. CO2 C. Lipoprotein D. Arginase
C
Lipoprotein
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
During inspiration the diaphargm:
A. Relaxes
B. Contracts
C. Increased pressure in lungs
B
Contracts
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
This Prevents the turn off of inspiratory center:
A. Apneustic center
B. Pneumotaxic center
C. Herring-Breuer reflex
A
Apneustic center
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
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
What % of CO2 is in blood as HCO3-? A. 70% B. 20% C. 12% D. 8%
A
70%
What % of CO2 as carbaminohemoglobin? A. 70% B. 20% C. 12% D. 8%
B
20%
What % of CO2 dissolves in the blood? A. 70% B. 20% C. 12% D. 8%
D
7-8%
With an increase in pleuroalveolar pressure you would: A. Inspire B. Expire C. Faint D. Vomit
B
Expire
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
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
Your total lung capacity is best described as: A. VC +RV B. ERV + IRV C. FRC + TV D. 4800ml
A
VC + RV
4800+ 500
Contract that diaphragm and take deep breath! We can do this ish
Now hit up those rectus abdominals and fully expire
