ASU BIO 181 Exam 3 Question and Answer | A+
Verified Updated | Frequently Tested
The action potential is a result of: -✓✓the movement of ions
The post-synaptic cell can be: -✓✓in glands, muscle cells and neurons
Th resting potential of a neuron is -✓✓-60mV
T or F: The cell body refers to the part of the neurons that begin at the dendrites and
extend to the axon terminal -✓✓false
T or F: Voltage gated ion channels open when a protein binds to the receptor -✓✓false
T or F: Excitatory synapses cause hyperpolarization of post-synaptic cells -✓✓false
T or F: Acetylcholinesterase breaks acetylcholine into muscarinic acid -✓✓false
In the motor end plate, the event that is the immediate trigger for exocytosis is -
✓✓calcium ions
T or F: Fast Neurons as described in lecture require cytoplasmic signal transduction to
open an ion channel. -✓✓False
T or F: Only pre-synaptic neurons are coated with myelin. -✓✓False
T or F: When the presynaptic cell contacts a muscle cell, the synapse area is called a
motor end plate. -✓✓True
T or F: Receptors are made from membrane-bound polyribosomes. -✓✓True
The terminal web: -✓✓is a site of exocytosis
T or F: Excitatory synapses cause depolarization of the post-synaptic cell -✓✓True
T or F: The membrane potential (resting potential) is largely set by the Na-K- ATPase
pump. -✓✓true
The neural tissues are: -✓✓spinal cord, sensory neurons and brain
T or F: the axon from a pre-synaptic cell contacts the axon of another neuron -✓✓false
Verified Updated | Frequently Tested
The action potential is a result of: -✓✓the movement of ions
The post-synaptic cell can be: -✓✓in glands, muscle cells and neurons
Th resting potential of a neuron is -✓✓-60mV
T or F: The cell body refers to the part of the neurons that begin at the dendrites and
extend to the axon terminal -✓✓false
T or F: Voltage gated ion channels open when a protein binds to the receptor -✓✓false
T or F: Excitatory synapses cause hyperpolarization of post-synaptic cells -✓✓false
T or F: Acetylcholinesterase breaks acetylcholine into muscarinic acid -✓✓false
In the motor end plate, the event that is the immediate trigger for exocytosis is -
✓✓calcium ions
T or F: Fast Neurons as described in lecture require cytoplasmic signal transduction to
open an ion channel. -✓✓False
T or F: Only pre-synaptic neurons are coated with myelin. -✓✓False
T or F: When the presynaptic cell contacts a muscle cell, the synapse area is called a
motor end plate. -✓✓True
T or F: Receptors are made from membrane-bound polyribosomes. -✓✓True
The terminal web: -✓✓is a site of exocytosis
T or F: Excitatory synapses cause depolarization of the post-synaptic cell -✓✓True
T or F: The membrane potential (resting potential) is largely set by the Na-K- ATPase
pump. -✓✓true
The neural tissues are: -✓✓spinal cord, sensory neurons and brain
T or F: the axon from a pre-synaptic cell contacts the axon of another neuron -✓✓false
