Question 1
Answer
-
Normal spontaneous breathing
-
Increased depth of breathing
-
Inappropriately high ventilation for the metabolic demand
-
Inappropriately low ventilation for metabolic demand
Question 2
Question
What is Hypernoea?
Answer
-
Normal spontaneous breathing
-
Increased depth of breathing
-
Inappropriately high ventilation for the metabolic demand
-
Inappropriately low ventilation for metabolic demand
Question 3
Question
What is Hyperventilation?
Answer
-
Inappropriately low ventilation for metabolic demand
-
Inappropriately high ventilation for the metabolic demand
-
Increased frequency of breathing
-
Subjective sensation of laboured breathing
Question 4
Question
What is hypoventilation
Answer
-
Subjective sensation of laboured breathing
-
Inappropriately low ventilation for metabolic demand
-
Increased frequency of breathing
-
Temporary cessation of breathing
Question 5
Question
What is Tachypnoea?
Answer
-
Temporary cessation of breathing
-
Subjective sensation of laboured breathing
-
Increased frequency of breathing
Question 6
Question
What is Dyspnoea?
Answer
-
Increased frequency of breathing
-
Subjective sensation of laboured breathing
-
Temporary cessation of breathing
Question 7
Answer
-
Temporary cessation of breathing
-
Subjective sensation of laboured breathing
-
Increased frequency of breathing
Question 8
Question
Diffusion of Gases is influenced by
Answer
-
Laws of diffusion
-
Measurement of diffusing capacity
-
O2 uptake along the pulmonary capillary
-
Diffusion and perfusion limitations
Question 9
Question
Diffusion through tissue's is described by [blank_start]Fick[blank_end]'s Law
Question 10
Question
For diffusion through a tissue sheet, the amount of a gas transferred is proportional to [blank_start]Area available for diffusion (A)[blank_end], [blank_start]Diffusion constant (D)[blank_end], [blank_start]Difference in partial pressure (P1‐P2)[blank_end] and inversely proportional to [blank_start]thickness of the tissue (T)[blank_end]
Answer
-
Diffusion constant (D)
-
Difference in partial pressure (P1-P2)
-
Difference in partial pressure (P1‐P2)
-
Diffusion constant (D)
-
Area available for diffusion (A)
-
Area available for diffusion (A)
-
Diffusion constant (D)
-
Difference in partial pressure (P1-P2)
-
thickness of the tissue (T)
-
Area available for diffusion (A)
-
Diffusion constant (D)
-
Difference in partial pressure (P1‐P2)
-
thickness of the tissue (T)
-
thickness of the tissue (T)
-
thickness of the tissue (T)
Question 11
Question
Diffusion constant is [blank_start]proportional[blank_end] to the gas solubility (Sol) and [blank_start]inversely proportional[blank_end] to square root of its molecular weight.
Answer
-
proportional
-
inversely proportional
Question 12
Question
Which diffuses into the lungs quicker? CO2 or O2?
Question 13
Question
Which of the following bind to Haemoglobin?
Question 14
Question
Transfer of CO is [blank_start]diffusion limited[blank_end]. Amount taken up depends on how
much CO is available
Question 15
Question
N2O transfer is [blank_start]perfusion limited[blank_end]. Amount taken up depends on how
much blood can flow through
Question 16
Question
At rest a RBC spends how much time in an alveolar capillary?
Answer
-
0.75s
-
0.8s
-
0.6s
-
0.65s
-
0.7s
Question 17
Question
During exercise how low can the time a RBC spends in an alveolar capillary drop to?
Question 18
Question
Which of the following are measurements of diffusing capacity?
Answer
-
Single breath method
-
Doubly Indirect method
-
Quick exhale method
-
24hr monitoring method
Question 19
Question
What is the normal value of diffusing capacity for CO at rest?
Answer
-
25 mL∙min‐1∙mm Hg‐1
-
30 mL∙min‐1∙mm Hg‐1
-
20 mL∙min‐1∙mm Hg‐1
-
15 mL∙min‐1∙mm Hg‐1
Question 20
Question
What is the ratio of breath alcohol to blood alcohol?
Answer
-
2,100:1
-
210:1
-
2200:1
-
220:1
Question 21
Question
At rest, the PO2 of the blood virtually reaches that of the alveolar gas after about
1/3 of its time in the capillary so O2 transfer is really only limited by [blank_start]perfusion[blank_end]