Question: _______________ forms around axons, allowing action potentials to travel at a faster rate.
Answer Choices:
Binary behavior
Potassium
Passive conduction
Myelin
Answer: Myelin
Question: In myelinated axons, the nodes of Ranvier _______________.
Answer Choices:
Regulate the release of neurotransmitters
Regulate the reception of neurotransmitters
Provide a point of entry for ions
Trigger apoptosis (aka, controlled cell death)
Answer: Provide a point of entry for ions
Question: Once an action potential reaches the terminal button, it triggers the release of _______________ ions.
Answer Choices:
Lithium
Calcium
Potassium
Sodium
Answer: Calcium
Question: What is the defining ingredient that allows true experimental designs to make causal claims?
Answer Choices:
Validation of the hypothesis
Random assignment
Sample selection
Funding
Answer: Random assignment
Question: Which of the following is a significant downside of case studies?
Answer Choices:
They lack generalizability
They don’t require enough funding
They require too much funding
Answer: They lack generalizability
Question: Which of the following branches of psychobiology would be appropriate if you were interested in studying the effects of antidepressants on anxiety symptoms?
Answer Choices:
Comparative psychology
Neuropsychology
Psychopharmacology
Physiological psychology
Answer: Psychopharmacology
Question: Which of the following branches would someone studying the similarities between crow and human intelligence be most interested in?
Answer Choices:
Comparative psychology
Psychophysiology
Neuropsychology
Answer: Comparative psychology
Question: The _______________ membrane typically releases neurotransmitters and the _______________ membrane typically receives them.
Answer Choices:
Endosynaptic, exosynaptic
Exosynaptic, endosynaptic
Postsynaptic, presynaptic
Presynaptic, postsynaptic
Answer: Presynaptic, postsynaptic
Question: When a neuron is at resting potential, there is a large concentration of _______________ ions inside the cell.
Answer Choices:
Neutral
Hydrogen
Sodium
Potassium
Answer: Potassium
Question: Axodendritic synapses _______________.
Answer Choices:
Terminate on axons
Terminate on dendrites
Terminate on glial cells
Terminate on cell bodies
Answer: Terminate on dendrites
Question: Which of the following includes the brain and spinal column?
Answer Choices:
The sympathetic nervous system
The central nervous system
The autonomic nervous system
The parasympathetic nervous system
Answer: The central nervous system
Question: Which of the following generally acts to conserve the body’s energy when no threats are present?
Answer Choices:
Parasympathetic nervous system
Sympathetic nervous system
Somatic nervous system
Central nervous system
Answer: Parasympathetic nervous system
Question: The release of neurotransmitters into the synaptic cleft is known as:
Answer Choices:
Axonapoptosis
Ionic perturbation
Myelin-intrinsic release
Exocytosis
Answer: Exocytosis
Question: Autoreceptors are commonly found in _______________.
Answer Choices:
Soma
Synaptic vesicles
Presynaptic membranes
Postsynaptic membranes
Answer: Presynaptic membranes
Question: Which of the following are responsible for myelination of axons in the central nervous system?
Answer Choices:
Microglia
Astrocytes
Schwann cells
Oligodendrocytes
Answer: Oligodendrocytes
Question: The end of the rising phase of an action potential occurs when the _______________.
Answer Choices:
Sodium channels close
Sodium channels open
Potassium channels close
Potassium channels open
Answer: Sodium channels close
Question: Which of these words best describes the location of your spine?
Answer Choices:
Ventral
Lateral
Medial
Anterior
Answer: Medial
Question: Noradrenergic neurons function by releasing _______________.
Answer Choices:
GABA
Glutamate
Epinephrine
Norepinephrine
Answer: Norepinephrine
Question: The soma is _______________.
Answer Choices:
Located in the nasal cavity
Covered by nodes of Ranvier
The cell body
Often myelinated
Answer: The cell body