DPR Final Exam Questions With Correct Answers.

DPR Final Exam Questions With Correct
Answers

1. |Which |of |the |following |is |important |for |increased |neurotransmitter |release |from |the |siphon
|sensory |neuron |of |aplysia |in |response |to |sensitization?



a. |Increased |action |potential |frequency

b. |Action |potential |broadening

c. |None |of |these

d. |Increased |action |potential |intensity |- |CORRECT |ANSWER✔✔-Action |potential |broadening



1. |Regarding |classical |conditioning |inaplysia, |what |is |the |coincidence |detector

a. |Calmodulin

b. |PKC

c. |PKA

d. |Adenylyl |cyclase |- |CORRECT |ANSWER✔✔-Adenylyl |cyclase



1. |How |does |sensitization |differ |from |classical |conditioning

a. |Sensitization |requires |calmodulin |activation

b. |Classical |conditioning |relies |on |calmodulin |activation

c. |Sensitization |doesn't |require |PKC |activation

d. |Classical |conditioning |doesn't |rely |on |PKA |activation |- |CORRECT |ANSWER✔✔-Classical |
conditioning |relies |on |calmodulin |activation



1. |Regarding |the |binomial |distribution |as |it |relates |to |neurotransmitter |release. |What |variable |
changes |in |response |to |sensitization

,a. |X

b. |N

c. |Q

d. |P |- |CORRECT |ANSWER✔✔-N



1. |Regarding |sensitization |in |aplysia, |which |of |the |following |could |result |in |increased |
neurotransmitter |release?

a. |Phosphorylating |NMDA |receptiors

b. |Phosphorylating |AMPA |receptors

c. |Phosphorylating |sodium |channels

d. |Phosphorylating |potassium |channels |- |CORRECT |ANSWER✔✔-Phosphorylating |potassium |
channels



1. |The |Gs |and |Gq/11 |pathways |cause |what |changes |to |the |post |synaptic |cell

a. |Decreased |neurotransmitter |release

b. |Siphon |withdrawal

c. |No |change

d. |Increased |neurotransmitter |release |- |CORRECT |ANSWER✔✔-Increased |neurotransmitter |
release



1. |cAMP |is |produced |by |which |enzyme

a. |adenylyl |cyclase

b. |PLC

c. |L-type |Calcium |channels

d. |PKA |- |CORRECT |ANSWER✔✔-adenylyl |cyclase

, 1. |The |facilitating |interneuron |in |aplysia |leads |to |the |activation |of |an |enzyme |that |converts |
ATP

a. |Cyclic |AMP

b. |Calmodulin

c. |ADP

d. |Adenosine |triphosphate |- |CORRECT |ANSWER✔✔-Cyclic |AMP



1. |Which |of |the |following |are |important |for |the |activation |of |protein |Kinase |A |(PKA)

a. |Gq/11 |GPCR

b. |Phospholipase |C |(PLC)

c. |Phosphatidyl |serine

d. |Diacyl |glycerol

e. |All |of |these

f. |None |of |these |- |CORRECT |ANSWER✔✔-None |of |these



1. |Which |of |the |following |enzymes |is |activated |by |the |Gq/11 |GPCR?

a. |PKA

b. |PLC

c. |Adenylyl |cyclase

d. |Calmodulin |- |CORRECT |ANSWER✔✔-PLC



1. |Which |of |the |following |enzymes |is |activated |in |the |post |synaptic |cell |when |the |facilitating |
interneuron |activates |it?

a. |FYN

b. |PKG

c. |Calcmodulin

d. |PKA |- |CORRECT |ANSWER✔✔-PKA