Which two are the correct definition of Agonists and Antagonists?

• Agonist- mimic, enhance neurotransmitters actions

• Agonist- block, inhibit neurotransmitters actions

• Antagonist- block, inhibit neurotransmitters actions

• Antagonists- mimic, enhance neurotransmitters actions

What is the amygdala associated with?

• memories

• emotions

• hearing

• homeostasis

True or False- An EEG monitors brain activity overtime through electrodes attached to the scalp

• True

• False

True or false- MRI's measure brain activity by detecting changes in blood flow.

• True

• False

Answer explanation

fMRI's detect changes in blood flow

MRI's are used to get images of body organs

What is the purpose of the left hemisphere of the brain?

• sleep, memory formation, dreaming

• verbal processing, language, speech, writing

• nonverbal, visual, musical, spatial recognition

• leptin and ghrelin production, satiety

Which of the following brain waves are correctly listed along with their function?

• Alpha: satiety, leptin and ghrelin production, hunger

• Beta: conscious thought, logical thinking, stimulating

• Delta: deep levels of relaxation, sleep, restorative

• Theta: state between wakefulness and sleep

Answer explanation

Alpha: calm, increase creativity, absorb more information

Bertha has a hard time forming words and sentences. Which of the following would a psychiatrist most likely diagnose her with?

• Retrograde Amnesia

• Wernicke's Aphasia

• Anterograde Amnesia

• Broca's Aphasia

Answer explanation

Retrograde Amnesia- can't recall events from before you lost ur memory

Anterograde- can remember old stuff but cant remember short term stuff/ will remember name but not if u ate breakfast (watch memento best movie ever)

Wernicke's aphasia- can't comprehend spoken lang, but can speak nonsense fluently

Phineas Gage got an iron rod stuck through his head. This caused for him to have a personality and behavioral disorder. What part of his brain did he destroy?

• Frontal Lobe

• Occipital Lobe

• Parietal Lobe

• Temporal Lobe

Answer explanation

Frontal - planning, speech, personality, thinking, voluntary motor movements

Occipital- vision

Parietal - interpreting sensory info like touch, temperature, pain

Temporal- hearing

Martin has dreams about old cars. His therapist interprets this as him wanting to have sex with his mother (obv🙄). What approach to dream analyzation in this therapist using

• Manifest

• Latent

Answer explanation

Manifest is taking it as it is- Martin has dreams about old cars? maybe he likes old cars

What are the stages of sleep in right order?

• Stage 1: Theta waves, light sleep

• Stage 2: Sleep spindles = short burst of brain activity. K complex= single high volt spike

• Stage 3: Delta waves, deep sleep

• Stage 4: Rapid eye movement, crazy dreams, active sleep

Answer explanation

stage 4 is the same thing as 3- delta waves & deep sleep

REM is crazy dreams and active sleep