ch. 2 quiz Flashcards
In the structure of the neuron, the __________ receives messages from other cells.
dendrite
oligodendrocytes & Schwann cells generate a fatty substance known as ______.
myelin
Which of the following insulates and protects a neuron’s axon, as well as helps speed along electrical impulses?
TRUE - myelin sheath
synaptic knobs
neuromodulators
receptor sites
When a neuron is in the resting potential state, the neuron is negatively charged on the __________ and positively charged on the __________.
inside, outside
which neurotransmitter stimulates skeletal muscle cells to contract but slows contractions of the heart?
acetylcholine (ACh)
heroin mimics the actions of endorphins, inhibiting pain signals. Heroin is an example of a(n) ______.
agaonist
Bailey is a subject in a study on memory and problem solving. The researcher is applying magnetic pulses to her brain through copper wire coils positioned directly above her scalp. Bailey’s study would best be described as a(n) __________ technique.
noninvasive stimulation
which technique of studying the brain involves injecting the patient w/ radioactive glucose?
PET
Maria often sleeps soundly and rarely awakens to any outside noise. However, the cries of Maria’s baby can awaken her immediately. What part of the brain is responsible for this reaction?
reticular formation
Nicole and Camille are synchronized swimmers for their college swim team. They often work long hours to ensure the movements in their routine are perfectly timed. What part of their brains must Camille and Nicole rely most upon?
cerebellum
your psychology professor refers to this as the great relay station of the brain. what part is he or she referring to?
thalamus
which part of the brain is involved in the creation of long-term, declarative memories and is often linked to Alzheimer’s disease?
hippocampus
Jessica suffered a severe blow to the back of her head when she was thrown from her horse. Subsequently, her occipital lobe has been injured. Which of her senses has the highest chance of being affected?
vision
Jaime’s grandfather recently suffered a stroke and has had difficulty with language production ever since. Most likely, he has experienced damage to the __________ area of his brain.
left frontal
Felicia is recovering from a brain injury. She is able to speak fluently but often uses incorrect words in a sentence. In one instance at a friend’s birthday party, she said, “I would like something to drink. Can I have some battery?” Felicia’s problem may be a symptom of __________.
Wernicke’s aphasia
