Neuro 1
Final Exam
All Correct
Answers
,Neuro 1
Final Exam
1. Neurons with cell bodies in the dorsal root ganglia are
a) primary motor neurons
b) interneurons
c) unipolar neurons
d) multipolar neurons
2. Some forms of memory require protein synthesis in order to be established and maintained. Protein
synthesis occurs at
a) ribosomes
b) mitochondria
c) the cell membrane
d) synaptic vesicles
3. Cajal and Golgi argued over whether or not
a) the Golgi stain was better than the Nissl stain at identifying different neuron types.
b) neurons were discrete, individual cells or connected together in a continuous reticulum.
c) the mind was the product of the activity of neurons or a non-physical entity.
d) Taylor Swift is more talented than Katy Perry
4. Axons in the central nervous system are myelinated as follows:
a) an oligodendroglial cell myelinates one axon
b) an oligodendroglial cell myelinates many axons
c) a Schwann cell myelinates one axon
d) a Schwann cell myelinates many axons
5. When neurons die in Alzheimer’s disease, neurofibrillary tangles are found inside the neurons.
These tangles are made of:
a) broken fragments of microfilaments
b) beta amyloid protein
1
, c) remnants of ribosomes
d) tau protein
6. The concentration gradient across the neural membrane is maintained by a pump that:
a) uses ATP to push Na+ ions out in exchange for K+ ions in
b) operates without ATP to push K+ ions out in exchange for Na+ ions in
c) uses ATP to push Na+ ions out in exchange for Cl- ions in
d) operates without ATP to push Cl- ions out in exchange for Na+ ions in
7. In addition to K+ leakage channels, a significant contributor to the falling phase of the action
potential is:
a) voltage-dependent removal of a Mg++ block
b) voltage-dependent activation of NMDA channels
c) the movement of K+ by an ionic pump
d) opening of voltage-dependent K+ channels
8. At the peak of an action potential, a neuron’s membrane potential is closest to the equilibrium
potential for which ion
a) Ca++
b) Cl-
c) K+
d) Na+
9. The expression gion (Vm – Eion) describes
a) ionic conductance
b) ionic current
c) ionic driving force
d) ionic potential
10. Which of the following neurotransmitters is the precursor to norepinephrine? (It is in the same
synthetic pathway and one enzymatic step away from norepinephrine.)
a) serotonin
2
Final Exam
All Correct
Answers
,Neuro 1
Final Exam
1. Neurons with cell bodies in the dorsal root ganglia are
a) primary motor neurons
b) interneurons
c) unipolar neurons
d) multipolar neurons
2. Some forms of memory require protein synthesis in order to be established and maintained. Protein
synthesis occurs at
a) ribosomes
b) mitochondria
c) the cell membrane
d) synaptic vesicles
3. Cajal and Golgi argued over whether or not
a) the Golgi stain was better than the Nissl stain at identifying different neuron types.
b) neurons were discrete, individual cells or connected together in a continuous reticulum.
c) the mind was the product of the activity of neurons or a non-physical entity.
d) Taylor Swift is more talented than Katy Perry
4. Axons in the central nervous system are myelinated as follows:
a) an oligodendroglial cell myelinates one axon
b) an oligodendroglial cell myelinates many axons
c) a Schwann cell myelinates one axon
d) a Schwann cell myelinates many axons
5. When neurons die in Alzheimer’s disease, neurofibrillary tangles are found inside the neurons.
These tangles are made of:
a) broken fragments of microfilaments
b) beta amyloid protein
1
, c) remnants of ribosomes
d) tau protein
6. The concentration gradient across the neural membrane is maintained by a pump that:
a) uses ATP to push Na+ ions out in exchange for K+ ions in
b) operates without ATP to push K+ ions out in exchange for Na+ ions in
c) uses ATP to push Na+ ions out in exchange for Cl- ions in
d) operates without ATP to push Cl- ions out in exchange for Na+ ions in
7. In addition to K+ leakage channels, a significant contributor to the falling phase of the action
potential is:
a) voltage-dependent removal of a Mg++ block
b) voltage-dependent activation of NMDA channels
c) the movement of K+ by an ionic pump
d) opening of voltage-dependent K+ channels
8. At the peak of an action potential, a neuron’s membrane potential is closest to the equilibrium
potential for which ion
a) Ca++
b) Cl-
c) K+
d) Na+
9. The expression gion (Vm – Eion) describes
a) ionic conductance
b) ionic current
c) ionic driving force
d) ionic potential
10. Which of the following neurotransmitters is the precursor to norepinephrine? (It is in the same
synthetic pathway and one enzymatic step away from norepinephrine.)
a) serotonin
2
