Anatomy & Physiology B/C

[yew]

*attempts to reincarnate this dead thread*
Name two neurotransmitters that are generally inhibitory and two neurotransmitters that are generally excitatory.

[hide]Inhibitory- glycine and GABA
Excitatory- serotonin and glutamate[/hide]

[mangothecat]

*attempts to reincarnate this dead thread*
Name two neurotransmitters that are generally inhibitory and two neurotransmitters that are generally excitatory.

Inhibitory- (Click to Show Hidden Text)

glycine and GABA 
Excitatory- serotonin and glutamate

I think... (Click to Show Hidden Text)

serotonin is generally inhibitory. Another excitatory neurotransmitter can be acetylcholine.

Your turn!

[radioactiveviolet]

Question :) (Click to Show Hidden Text)

The venom of a puffer fish (tetrodotoxin) stops voltage-gated sodium channels from functioning. Thus, you would expect a cell treated with tetrodotoxin to:
a. Produce stronger than normal action potentials
b. Produce action potentials quicker
c. To be unable to produce action potentials
d. To be able to depolarize but not repolarize

[sciolyFTW_aku]

Question :) (Click to Show Hidden Text)

The venom of a puffer fish (tetrodotoxin) stops voltage-gated sodium channels from functioning. Thus, you would expect a cell treated with tetrodotoxin to:
a. Produce stronger than normal action potentials
b. Produce action potentials quicker
c. To be unable to produce action potentials
d. To be able to depolarize but not repolarize

Answer (Click to Show Hidden Text)

c

[yew]

During which stage of sleep is growth hormone released?

[mangothecat]

During which stage of sleep is growth hormone released?

answer: (Click to Show Hidden Text)

stage 3

[yew]

During which stage of sleep is growth hormone released?

answer: (Click to Show Hidden Text)

stage 3

Yup

[mangothecat]

1. Name the differences in chemical composition between endolymph and perilymph.
2. State whether the following structures contain endolymph or perilymph:
a. cochlear duct
b. scala vestibuli
c. scala tympani
d. utricle

[yew]

1. Name the differences in chemical composition between endolymph and perilymph.
2. State whether the following structures contain endolymph or perilymph:
a. cochlear duct
b. scala vestibuli
c. scala tympani
d. utricle

uh guesses (Click to Show Hidden Text)

1. endolymph - K+, perilymph - Na+
2. a. endolymph
b. perilymph
c. perilymph
d. endolymph ?

[mangothecat]

uh guesses (Click to Show Hidden Text)

1. endolymph - K+, perilymph - Na+
2. a. endolymph
b. perilymph
c. perilymph
d. endolymph ?

Yeeup, all of them are correct! Your turn.