BMS 300 Exam 2 [2026/2027] | UPDATED ACTUAL
Exam Question and Answer | 100% Verified Answers
• Santiago Ramon y Cajal was a . CORRECT ANSWER: cellularist and the father
of the neuron doctrine
• The dentrite is
a. input
b. conductile
c. output . CORRECT ANSWER: a
• the axon is
a. input
b. conductile
c. output . CORRECT ANSWER: b
• The axon terminal is
a. input
b. conductile
c. output . CORRECT ANSWER: c
• Protein synthesis occurs in the
a. cell body
b. axon
c. dentrite
d. terminal . CORRECT ANSWER: a
,• the input region lacks ___, but contains ____
a. ligand-gated channels, voltage gated channels
b. K+ leak channels, voltage gated channels
c. voltage-gated channels, ligand gated channels
d. ligand-gated channels, K+ leak channels . CORRECT ANSWER: c
• The fast axoplasmic transport includes proteins from the __________ and
transported on ___________. The slow axoplasmic transport includes proteins
from the ____________.
a. rough ER, microtubules, cytoplasm
b. microtubules, cytoplasm, rough ER
c. cytoplasm, rough ER, microtubules . CORRECT ANSWER: a
• Proteins are transported via axoplasmic transport at slow rates (0.5 to 2 mm per
day) and fast rates (200 to 400 mm per day). The difference in transport rate
directly results from:
a. the difference in the time spend per day in transport
b. the site where the protein is synthesized
c. the substrate molecule used by the motor protein
d. the motor protein used to transport the proteins . CORRECT ANSWER: a
• In resting condition, ____ is high outside the cell and ___ is high inside the cell.
a. Na+, K+
b. K+, Na+ . CORRECT ANSWER: a
• The resting membrane potential is approximately
a. +40 mv
, b. -40 mv
c. -70 mv
d. +70 mv . CORRECT ANSWER: c
• T or F on the dendrite or input region of a neuron has ion channels . CORRECT
ANSWER: F
• What is equilibrium potential? . CORRECT ANSWER: when the electrical
gradient is equal and opposite to the chemical gradient
• Schwann call are located in the ___ and oligodendrocytes are found in the ____
a. PNS, CNS
b. CNS, PNS . CORRECT ANSWER: a
• What are functions of astrocytes
-regulate extracellular K+ concentrations
-clear out excess amounts of neurotransmitters
-form concentric rings around neurons
-surround the synaptic cleft between neurons . CORRECT ANSWER: regulate
extracellular K+ concentrations, clear out excess amounts of neurotransmitters,
surround the synaptic cleft between neurons
• The concentric rings formed by oligodendrocytes are called
a. schwann cells
b. astrocytes
c. myelin . CORRECT ANSWER: c
Exam Question and Answer | 100% Verified Answers
• Santiago Ramon y Cajal was a . CORRECT ANSWER: cellularist and the father
of the neuron doctrine
• The dentrite is
a. input
b. conductile
c. output . CORRECT ANSWER: a
• the axon is
a. input
b. conductile
c. output . CORRECT ANSWER: b
• The axon terminal is
a. input
b. conductile
c. output . CORRECT ANSWER: c
• Protein synthesis occurs in the
a. cell body
b. axon
c. dentrite
d. terminal . CORRECT ANSWER: a
,• the input region lacks ___, but contains ____
a. ligand-gated channels, voltage gated channels
b. K+ leak channels, voltage gated channels
c. voltage-gated channels, ligand gated channels
d. ligand-gated channels, K+ leak channels . CORRECT ANSWER: c
• The fast axoplasmic transport includes proteins from the __________ and
transported on ___________. The slow axoplasmic transport includes proteins
from the ____________.
a. rough ER, microtubules, cytoplasm
b. microtubules, cytoplasm, rough ER
c. cytoplasm, rough ER, microtubules . CORRECT ANSWER: a
• Proteins are transported via axoplasmic transport at slow rates (0.5 to 2 mm per
day) and fast rates (200 to 400 mm per day). The difference in transport rate
directly results from:
a. the difference in the time spend per day in transport
b. the site where the protein is synthesized
c. the substrate molecule used by the motor protein
d. the motor protein used to transport the proteins . CORRECT ANSWER: a
• In resting condition, ____ is high outside the cell and ___ is high inside the cell.
a. Na+, K+
b. K+, Na+ . CORRECT ANSWER: a
• The resting membrane potential is approximately
a. +40 mv
, b. -40 mv
c. -70 mv
d. +70 mv . CORRECT ANSWER: c
• T or F on the dendrite or input region of a neuron has ion channels . CORRECT
ANSWER: F
• What is equilibrium potential? . CORRECT ANSWER: when the electrical
gradient is equal and opposite to the chemical gradient
• Schwann call are located in the ___ and oligodendrocytes are found in the ____
a. PNS, CNS
b. CNS, PNS . CORRECT ANSWER: a
• What are functions of astrocytes
-regulate extracellular K+ concentrations
-clear out excess amounts of neurotransmitters
-form concentric rings around neurons
-surround the synaptic cleft between neurons . CORRECT ANSWER: regulate
extracellular K+ concentrations, clear out excess amounts of neurotransmitters,
surround the synaptic cleft between neurons
• The concentric rings formed by oligodendrocytes are called
a. schwann cells
b. astrocytes
c. myelin . CORRECT ANSWER: c
