ASU BIO 181 FINAL PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
◉The action potential is a result of: ANSWER: - the movement of ions
◉The post-synaptic cell can be: ANSWER: - in glands, muscle cells and
neurons
◉Th resting potential of a neuron is ANSWER: - -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 ANSWER: - false
◉T or F: Voltage gated ion channels open when a protein binds to the
receptor ANSWER: - false
◉T or F: Excitatory synapses cause hyperpolarization of post-synaptic
cells ANSWER: - false
◉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
QUESTIONS WITH ANSWERS GRADED A+
◉The action potential is a result of: ANSWER: - the movement of ions
◉The post-synaptic cell can be: ANSWER: - in glands, muscle cells and
neurons
◉Th resting potential of a neuron is ANSWER: - -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 ANSWER: - false
◉T or F: Voltage gated ion channels open when a protein binds to the
receptor ANSWER: - false
◉T or F: Excitatory synapses cause hyperpolarization of post-synaptic
cells ANSWER: - false
◉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
