Question 1

0 / 1 pts

A cell resting membrane potential (RMP) is closest tothe equilibrium potential of ____

  an ion with the highest number ofchannels

  an ion with the lowestpermeability

  an ion with the highestpermeability

Question 3

0 / 1 pts

After AchE breaks down Ach, Choline will be transportedto the presynaptic neuron in a process of ____

  counter-transportation with Ca

  co-transportation with Na

  counter-transportation with Na

  co-transportation with Ca

Question 4

0 / 1 pts

After-Hyperpolarization refers to a time that___

  repolarization is complete

  the resting membrane potential is less than-70

  the resting membrane potential starts movingtoward positive

  depolarization is complete

Question 5

0 / 1 pts

Autonomic Nervous system is a system that controlssmooth muscle and ____

  heart

  gland, heart and skeletalmuscle

  skeletal muscle

  gland and heart

  glands

Incorrect

Question 6

0 / 1 pts

One difference between a graded potential and an actionpotential is that ____

  all of them are correct

  an action potential is stronger than agraded potential

  an action potential follows the rule of “allor none” but a graded potential does not

  an action potential happens in both cellbody and axon but a graded potential only happens in adendrite

Incorrect

Question 7

0 / 1 pts

Channels at the dendrites are ______channels.

  chemically gated

  all are correct

  mechanically gated

  voltage gated

Question 10

1 / 1 pts

During repolarization ___

  K channels are open

  inactivation gate is open

  Na is the main ion which drivesreploarization

  activation gate is open

Question 11

1 / 1 pts

Electrochemical gradient refers to difference in____

  oncentration and charges

  concentration

  charges and ions

  ions

  charges

Incorrect

Question 12

0 / 1 pts

GABA can either be metabolized or removed from itsreceptor. For that reason we can use ___ or ___respectively.

  GABA transporter, GABAtranasminas

  GABA transaminase, GABAtransporter

  Glutamate decarboxylase, Glutamatetransporter

  Glutamate transporter, Glutamatedecarboxylase

Incorrect

Question 13

0 / 1 pts

Glycine function is similar to ___

  GABA B

  GABA A

Question 17

0 / 1 pts

Presynaptic and postsynaptic membrane ____

  have cleft but are also connected to eachother by some molecules like CAMs

  are physically attached to eachother

  are separated by a cleft but still areconnected to each other by some molecules likeconnexons.

  . are separated by a cleft and there is noadhesion between them