BIO 181 ASU EXAM 3 STUDY GUIDE
1.T or F: Potassium ions are at high concentrations inside of cells, including neurons ANS
True
2.The action potential is a result of: ANS the movement of ions
3.The post-synaptic cell can be: ANS in glands, muscle cells and neurons
4.Th resting potential of a neuron is ANS -60Mv
5.T or F: The cell body refers to the part of the neurons that begin at the dendrites and
extend to the axon terminal ANS false
6.T or F: Voltage gated ion channels open when a protein binds to the receptor ANS false
7.T or F: Excitatory synapses cause hyperpolarization of post-synaptic cells ANS false
8.T or F: Acetylcholinesterase breaks acetylcholine into muscarinic acid ANS false
9. In the motor end plate, the event that is the immediate trigger for exocytosis is ANS
calcium ions
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, BIO 181 ASU EXAM 3 STUDY GUIDE
10. T or F: Fast Neurons as described in lecture require cytoplasmic signal transduction
to open an ion channel. ANS False
11. T or F: Only pre-synaptic neurons are coated with myelin. ANS False
12. T or F: When the presynaptic cell contacts a muscle cell, the synapse area is called a
motor end plate. ANS True
13. T or F: Receptors are made from membrane-bound polyribosomes. ANS True
14. The terminal web: ANS is a site of exocytosis
15. T or F: Excitatory synapses cause depolarization of the post-synaptic cell ANS True
16. T or F: The membrane potential (resting potential) is largely set by the Na-K- ATPase
pump. ANS true
17. The neural tissues are: ANS spinal cord, sensory neurons and brain
2/7
1.T or F: Potassium ions are at high concentrations inside of cells, including neurons ANS
True
2.The action potential is a result of: ANS the movement of ions
3.The post-synaptic cell can be: ANS in glands, muscle cells and neurons
4.Th resting potential of a neuron is ANS -60Mv
5.T or F: The cell body refers to the part of the neurons that begin at the dendrites and
extend to the axon terminal ANS false
6.T or F: Voltage gated ion channels open when a protein binds to the receptor ANS false
7.T or F: Excitatory synapses cause hyperpolarization of post-synaptic cells ANS false
8.T or F: Acetylcholinesterase breaks acetylcholine into muscarinic acid ANS false
9. In the motor end plate, the event that is the immediate trigger for exocytosis is ANS
calcium ions
1/7
, BIO 181 ASU EXAM 3 STUDY GUIDE
10. T or F: Fast Neurons as described in lecture require cytoplasmic signal transduction
to open an ion channel. ANS False
11. T or F: Only pre-synaptic neurons are coated with myelin. ANS False
12. T or F: When the presynaptic cell contacts a muscle cell, the synapse area is called a
motor end plate. ANS True
13. T or F: Receptors are made from membrane-bound polyribosomes. ANS True
14. The terminal web: ANS is a site of exocytosis
15. T or F: Excitatory synapses cause depolarization of the post-synaptic cell ANS True
16. T or F: The membrane potential (resting potential) is largely set by the Na-K- ATPase
pump. ANS true
17. The neural tissues are: ANS spinal cord, sensory neurons and brain
2/7
