BIO 181 ASU EXAM 3 TEST QUESTIONS
WITH REVISED AND UPDATED
ANSWERS
T or F: Acetylcholinesterase breaks acetylcholine into muscarinic acid - Answer-false
In the motor end plate, the event that is the immediate trigger for exocytosis is - Answer-
calcium ions
T or F: Fast Neurons as described in lecture require cytoplasmic signal transduction to
open an ion channel. - Answer-False
T or F: Only pre-synaptic neurons are coated with myelin. - Answer-False
T or F: When the presynaptic cell contacts a muscle cell, the synapse area is called a
motor end plate. - Answer-True
T or F: Receptors are made from membrane-bound polyribosomes. - Answer-True
The terminal web: - Answer-is a site of exocytosis
T or F: Excitatory synapses cause depolarization of the post-synaptic cell - Answer-True
T or F: The membrane potential (resting potential) is largely set by the Na-K- ATPase
pump. - Answer-true
The neural tissues are: - Answer-spinal cord, sensory neurons and brain
T or F: the axon from a pre-synaptic cell contacts the axon of another neuron - Answer-
false
T or F: The receptors in post-synaptic cells are the basis on which the synapse can be
defined as inhibitory or excitatory - Answer-false
4 types of glial cells - Answer-schwann, oligodendrocytes, astrocytess and microglia
T or F: The axon hillock in the pre-synaptic neuron fires based on temporal and spatial
summation of inputs - Answer-true
The central nervous contains - Answer-spinal column and brain
WITH REVISED AND UPDATED
ANSWERS
T or F: Acetylcholinesterase breaks acetylcholine into muscarinic acid - Answer-false
In the motor end plate, the event that is the immediate trigger for exocytosis is - Answer-
calcium ions
T or F: Fast Neurons as described in lecture require cytoplasmic signal transduction to
open an ion channel. - Answer-False
T or F: Only pre-synaptic neurons are coated with myelin. - Answer-False
T or F: When the presynaptic cell contacts a muscle cell, the synapse area is called a
motor end plate. - Answer-True
T or F: Receptors are made from membrane-bound polyribosomes. - Answer-True
The terminal web: - Answer-is a site of exocytosis
T or F: Excitatory synapses cause depolarization of the post-synaptic cell - Answer-True
T or F: The membrane potential (resting potential) is largely set by the Na-K- ATPase
pump. - Answer-true
The neural tissues are: - Answer-spinal cord, sensory neurons and brain
T or F: the axon from a pre-synaptic cell contacts the axon of another neuron - Answer-
false
T or F: The receptors in post-synaptic cells are the basis on which the synapse can be
defined as inhibitory or excitatory - Answer-false
4 types of glial cells - Answer-schwann, oligodendrocytes, astrocytess and microglia
T or F: The axon hillock in the pre-synaptic neuron fires based on temporal and spatial
summation of inputs - Answer-true
The central nervous contains - Answer-spinal column and brain
