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Index
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Physiology- KEY VALUES
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Chapter 1
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Level 1
level: Level 1
Questions and Answers List
level questions: Level 1
Question
Answer
55% Plasma 45% Formed Elements
Blood Properties
7% Proteins, 38% globulins, 4% fibrinogen, 1% Prothrombin
Plasma
Platelets, Leukocytes, Erythrocytes
Formed Elements (in Blood)
Men 5.7L Women 4.3 L
Normal Lung Capacity
2.5L
IRV
3L
IC
0.5L
TV
1L
ERV
1.2L
RV
6L
TLC
2.4L
FRC
4.8L
VC
Normal around 85% (>80%) Respiratory Disorder <70% Asthmatic 42%
(FEV1/FEV x 100)=%
7.23-7.45
Blood/Plasma pH
Respiratory Exchange Ration 6O2 + C6H12O6 --> 6CO2 + 6 H2O + 38 ATP RER= VCO2 6CO2 _____= _____ =1.0 VO2 6O2
RER Calculation for carbohydrate
E.g. palmitic acid 23O2 + C16H32O2 --> 16CO2 +16H2O +129 ATP RER= VCO2 16CO2 _____= _____ =0.7 VO2 23O2
RER Calculation for Fatty Acids (fat)
An RER of 0.7 = fat is the predominant fuel source. 1.0 = carbohydrate the predominant fuel source. Between 0.7 and 1.0 suggests a mix of both fat and carbohydrate. 1.0 during exercise. Normal 200/250= 0.80 (mixed diet)
RER Value meanings
60-11 for adults. Men around 70. Women faster.
Normal HR
120/80mmHg
Normal Blood pressure
>140/>90mmHg
Hypertension
<90/<60 mmHg
Hypotension
-70mV
Resting Potential
-55mV threshold (once reached AP begins). Depolarisation occurs with Na channels open.
Action Potential
Occurs at +30mV following action potential after Na rush in. K rushes out
Repolarisation
Around 3L fluid a day
Lymph Glands Filter ? Each day
GFR = 180 L/day Urine production = 1.5 L/day
GFR and Urine Production, L/day
Frequency (e.g. 12bpm) x Tidal volume (e.g. 0.5L) = minute ventilation (e.g. 6L/min)
Minute Ventilation Calculation
0.3 seconds
Systole duration
0.6 seconds
Systole length
Diastolic pressure + (pulse pressure/3) (Average pressure across cardiac cycle)
Mean arterial pressure calculation
Systolic pressure- diastolic pressure (pressure felt at arteries)
Pulse pressure calculation
Stroke Volume, Speed of Ejection, Compliance
Pulse pressure determined by