[5] Tubular Transport Flashcards
How does Age affect Total Body Water
Older: Less water due to less muscle mass
Infants: 80% of body mass is water
How does Age affect Total Body Water
Older: Less water due to less muscle mass
Infants: 80% of body mass is water
How does being Obese affect Total Body Water
Carry less water since they have more adipocytes which have a low water content
How does Sex affect Total Body Water
Females have less water
Components of Total Body Water
60:40:20:5 Rule
TBW: 60% BW
IC Fluid: 40% BW
EC Fluid: 20% BW
Plasma: 5% BW
Define: Edema
Excess fluid in the interstitial compartment
What happens to a substance when it is albumin bound?
It cannot be filtered, it is excreted through tubular secretion
% Resorption of Urea
50%
% Resorption of Glucose
Filtered and 100% Reabsorbed
How does the Kidney handle inulin?
Filtered, neither resorbed nor secreted
How does the Kidney handle Para Aminohippurate (PAH)
Filtered, resorbed, and secreted
[What Gets Absorbed/Secreted?]
Proximal Convoluted Tubule
Absorbed
Water
Ions
Organic Nutrients
[What Gets Absorbed/Secreted?]
Loop of Henle
Absorbed
Descending: Water
Ascending: Na and Cl Ions
[What Gets Absorbed/Secreted?]
Distal Convoluted Tubule
Secreted
Ions
Acids
Drugs and Toxins
Absorbed
Water
Na
Ca
What delivers urine to the minor calyx?
Papillary Duct
