At the age of 50, Debra has begun to receive quite a bit of teasing from her family about being "absentminded.". The truth is that Debra has been hiding the fact that each week she seems to remember less and less. For the last month, she has been getting lost while driving home from work and has been relying on a hand-drawn map. She has started having trouble recognizing the faces of people at
work and frequently forgets why she started to do something. Debra appears to be developing
a. delirium.
b. amnestic disorder.
c. dementia mild or major neurocognitive disorder.
d. medically induced major neurocognitive disorder.
c
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____ steer new axonal branches and synapses in the right direction
a. Chemokines b. Immunoglobulin c. Glia d. Neurotrophins
In addition to stress, health is influenced by
a. exposure to infection and toxins. c. genetics. b. daily habits and lifestyles. d. all of these.
Based on the relationship between perception and the physical properties of sound, you should infer that if the human nervous system were not wired to respond to differences in the amplitude of sound waves, people would not be able to:
a. detect differences in pitch b. localize sounds accurately c. detect differences in loudness d. have binaural perception
According to Freud, our unconscious mind contains:
a. thoughts that occupy the focus of current attention b. inactive, but potentially accessible, thoughts and memories c. memories of environmental stimuli that were below our absolute threshold d. memories, urges, and conflicts that are inaccessible and beyond awareness