Final Review Flashcards
What is the extra cellular fluid volume of a 150kg pig (L)?
30L
What is the major anion in the ECF?
Bicarbonate
What is the transporter that directly uses energy to move its solute?
A. GLUT4 transporter
B. Na+/glucose co-transporter
C. Ca2+ ATPase
D. Ca2+/Na+ antiporter
C
If a cell with normal osmolarity is placed in a solution that is 330 mOsm/L, where will the water move?
Water will move from the cell (ICF) to the solution (ECF)
Solution A has an osmolarity of 245 mOsm/L and Solution B has an osmolarity of 230 mOsm/L. Which has greater osmotic pressure?
Solution A
What happens to Na+ and K+ channels during a depolarization event?
Closing of Na+ inactivation gates
Opening of K+ channels
Myelination (increases/decreases) capacitance.
decreases
At nodes of Ranvier, membrane resistance is (high/low)
low
Myelination (increases/decreases) membrane resistance.
increases
What neurotransmitter is excitatory and can use either ionotropic or metabotropic receptors?
Glutamate
T/F: Post-synaptic neuron is hyperpolarzed
True
What happens to Cl- channels with inhibitory postsynaptic potentials?
Cl- channels open
Which CNS brain structure is most associated with coordination of volitional and stabilizing movements, as well as maintenance of posture?
Cerebellum
T/F: VEGF-A expression ceases after the cardiovascular system is formed
False
Which second messenger cascade is activated from alpha 1-receptors?
Phospholipase C
