Physiological Psychology Set 12
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This set of Physiological Psychology Multiple Choice Questions & Answers (MCQs) focuses on Physiological Psychology Set 12
Q1 | _________________ carry information away from the cell body.
- Cells
- Neurons
- Axons
- Dendrites
Q2 | In many neurons the axon is covered by a sheath of fatty material known as _____________.
- Myelin
- Neurons
- Glial cells
- Vesicles
Q3 | _______________ help form a barrier that prevents certain substances in thebloodstream from reaching the brain.
- Axons
- Dendrites
- Glial cells
- Cell body
Q4 | Speeds along myelinated axons can reach ____________ miles per hour.
- 280
- 270
- 260
- 250
Q5 | Stimulation, either directly or by chemical messages from other neurons,produces ___________________, a basic type of signal within neurons.
- Spinal reflexes
- Graded potentials
- Action potentials
- Resting potentials
Q6 | Damage to the ___________________ surrounding axons can seriously affectsynaptic transmission.
- Glial cell
- Endocrine
- Nodes of Ranvier
- Myelin sheath
Q7 | In diseases such as multiple sclerosis (MS), progressive deterioration of the_______________ leads to jerky, uncoordinated movements in the affected person.
- Myelin sheath
- Neurotransmitter
- Nodes of Ranvier
- Synapse
Q8 | The best-known imaging technique, and the first one developed for widespread use, is an x-ray scanning procedure called ________________.
- MRI scan
- PET
- CT scan
- functional MRI
Q9 | The pseudoscience associated with the study of the skull and personalitybecame known as ___________.
- Neuroscience
- Neuropsychology
- Bioscience
- Phrenology
Q10 | The __________ of an organism is the full sequence of genes found on thechromosomes with the associated DNA.
- X chromosome
- b. Y chromosome
- c. Genome
- d. Genetics
Q11 | Researchers in the field of human behavior genetics unite __________ andpsychology to explore the causal link between inheritance and behavior.
- Chromosome
- Behavior
- Genome
- Genetics
Q12 | Researchers in the field of __________________ provide evolutionaryexplanations for the social behavior and social systems of humans and other animal species.
- Sociobiology
- Evolutionary psychology
- Phrenology
- Anthropology
Q13 | The reticular formation has long tracts of fibers that run to the ____________, which channels incoming sensory information to the appropriate area of thecerebral cortex, where that information is processed.
- Hypothalamus
- Pons
- Medulla
- Thalamus
Q14 | The __________, which is the largest of the limbic system structures, plays animportant role in the acquisition of memories.
- Hippocampus
- Thalamus
- Amygdala
- Pons
Q15 | The area where the axon connects to the soma is ______________.
- Axon hillock
- Terminal buttons
- Myelin sheath
- Nodes of Ranvier
Q16 | When the ___________________is too large to be jumped by the neural impulse, the signal/information must be passed using chemicals asneurotransmitters instead of electrical currents.
- Spinal reflex
- Presynaptic
- Action potential
- Synaptic cleft
Q17 | ______________ is the DNA segments that serve as the key functional units inhereditary transmission.
- Chromosome
- Genotype
- Phenotype
- Gene
Q18 | _______________ is the expression of your genetic makeup (eye color, height, hair color, etc).
- Chromosome
- Genotype
- Phenotype
- Gene
Q19 | _____________ are the thread-like strands of DNA molecules that form the DNAsegments.
- Chromosomes
- Genotypes
- Phenotypes
- Genes
Q20 | In the brain and spinal cord, areas that are mostly axons are called___________ which is possible to differentiate pathways or tracts of these axons.
- White matter
- Gray matter
- Ganglia
- Nerve
Q21 | Areas that include large number of cell bodies are called __________________.
- White matter
- Gray matter
- Ganglia
- Nerve
Q22 | When the action potential reaches the axon ending, it causes tiny bubbles of chemicals called ____________________ to release their contents into the synapticgap.
- Spinal reflex
- Presynaptic
- Synaptic vesicles
- Synaptic cleft
Q23 | The surface of the axon contains hundreds of thousands of minisculemechanisms called _______________.
- Synapses
- Ion channels
- Synaptic gaps
- Postsynaptics
Q24 | The actions of the body’s voluntary muscles are controlled by the______________, located just in front of the central sulcus in the frontal lobes.
- Somatosensory cortex
- Motor cortex
- Cerebral cortex
- Amygdala
Q25 | The hypothalamus maintains the body’s internal equilibrium, or ____________.
- Plasticity
- Excitatory
- Homeostasis
- Resonance