Physiology Block 2 Flashcards
1
Q
What is the concentration of K+ and Mg2+ in ICF AND ECF?
A
140 and 4
58 and 2.4
2
Q
What is the concentration of Na+ and Ca2+ and Cl- in ECF and ICF?
A
142/10
2.5/0.0001
103/4
3
Q
What are the examples of negative feedback ?
A
Insulin
Bp
Sweating
Water balance
4
Q
Examples of Positive feedback ?
A
Childbirth
Lactation
Opening of Na+ channels
5
Q
What are the two types of actve transport?
A
Primary
Secondary- (Symport and Amtiport)
6
Q
What is the formula of Nernst equation
A
61/Z * log10 (out)/(in). if +ve
7
Q
What are the RMP of Skeletal muscle and Neurons ?
A
-90
-70
8
Q
What is the formula for direction of Current ?
A
I = G* (Vm-Ve)
G=1/R
9
Q
What are the two drugs to block AP.?
A
NA+ = TTX
K+ = TEA
