Ch. 3 Tear Film Flashcards
1
Q
What is the tear´s normal volume and production rate?
A
6ul
1,2 uL/min
2
Q
Name the mayor tear film proteins
A
lyzozyme, lactoferrine, Secretory IgA, albumin, lipocalin (previously called tear specific prealbumin), & lipophilin
3
Q
what is the concentration of electrolites and glucose in Tear and plasma.
A
Tear:
- Na:
- Cl: 120meq/L (>)
- K: 20 meq/L (>)
- CHO: 2.5 mg/dl (<)
Plasma:
- Na:
- Cl: 102meq/L
- K: 5meq/L
- CHO: 85mg/dl
4
Q
What is the tear film´s osmolarity?
A
280-305mOsm/L
