Lesson 1 - Human Physiology - The Bigger Picture Dr JPW Flashcards
What tissues are commonly taken for testing?
Blood,
Saliva,
Adipose tissue,
Muscle,
Urine,
Faeces,
Liver (less common)
What are the main roles of fat
Main energy store
Thermal Insulation
Vitamin D Store
Sectreting hormones
Protecting organs
How are carbohydrates mainly stored?
Glucose converted to Glycogen
Where are carbohydrates stored
Liver and Muscles
What is the difference between the two stores of carbohydrates
Muscle is a “selfish” store - for own consumption
Liver is a “generous” store - sends around the Body including the brain
What does DEXA scan stand for
Dual Energy X-ray Absorptiometry scan
What are DEXA scans used for
Assess Body composition
Bone Density
Tests for osteoporosis
Aside from DEXA, what other measures are used to determine body composition
Skin Fold calipers
MRI
Underwater Weighing
Biological impedance
Waist:Hip ratio
Hip Circumference
BMI
What does OGTT stand for
Oral Glucose Tolerance Test
What is involved in the OGTT
Taking 75 grams of glucose (usually through a drink) and monitor for the next 2 Hours, taking measurements every 15 minutes
What is the mixed meal test
Eating a meal or multiple drinks to test for glycaemia (glucose absorption) and lipemia (fat absorption)