DPR Final Exam Questions and Answers Fully Solved Latest Version 2025-2026
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 - AnswersAction potential broadening
1. Regarding classical conditioning inaplysia, what is the coincidence detector
a. Calmodulin
b. PKC
c. PKA
d. Adenylyl cyclase - AnswersAdenylyl 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 - AnswersClassical 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 - AnswersN
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 - AnswersPhosphorylating 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 - AnswersIncreased neurotransmitter release
1. cAMP is produced by which enzyme
a. adenylyl cyclase
b. PLC
c. L-type Calcium channels
d. PKA - Answersadenylyl 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 - AnswersCyclic 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 - AnswersNone of these
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 - AnswersAction potential broadening
1. Regarding classical conditioning inaplysia, what is the coincidence detector
a. Calmodulin
b. PKC
c. PKA
d. Adenylyl cyclase - AnswersAdenylyl 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 - AnswersClassical 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 - AnswersN
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 - AnswersPhosphorylating 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 - AnswersIncreased neurotransmitter release
1. cAMP is produced by which enzyme
a. adenylyl cyclase
b. PLC
c. L-type Calcium channels
d. PKA - Answersadenylyl 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 - AnswersCyclic 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 - AnswersNone of these
