Page 1 of 28
D664/ WGU D664 - LEARNER AND LEARNING
SCIENCE EXAM | Objective Assessment Exam
NEWEST 2026 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALL ANSWERED {190 Q & A} ALREADY
GRADED A+ | BRAND NEW! | 100% GUARANTEED
PASS | WGU
Brainstem - ✔✔✔ Correct Answer > before we are born
controls basic functions (breathing and heart rate)
Limbic System - ✔✔✔ Correct Answer > Shortly after birth, continues
to develop through adolescence
controls emotions and memory, helps us navigate social
situations, regulate emotions and remember things.
,Page 2 of 28
Cerebellum - ✔✔✔ Correct Answer > begins to develop early in life
controls balance and coordination
helps us performs tasks like typing, writing, and sports
Cerebrum - ✔✔✔ Correct Answer > Extensive growth in childhood and
adolescence
the largest part of brain
controls higher cognitive function like thinking reasoning and
problem solving.
Prefrontal cortex (frontal lobe) - ✔✔✔ Correct Answer > begins to
progress through grade school
controls impulse control, decision making, and emotion
regulation
allows us to plan, organize, and prioritize
, Page 3 of 28
Neuroscience - ✔✔✔ Correct Answer > Study of the nervous system
and brain
Curiosity - ✔✔✔ Correct Answer > examine new information and
resources on developmental topics.
Evidence-Based Practice (EBP) - ✔✔✔ Correct Answer > analyze
evidence based research and data for guidance in selection of
practices and interventions.
Cognition - ✔✔✔ Correct Answer > Mental processes involved in
aquiring, processing, storing, and using info.
Neurodevelopment - ✔✔✔ Correct Answer > How the brain grows and
changes
Mylenation - ✔✔✔ Correct Answer > Makes brain pathways stronger
Pruning - ✔✔✔ Correct Answer > Gets rid of brain pathways
Brain Development Timeline - ✔✔✔ Correct Answer > prenatal (in
womb)
birth
newborn (rapid growth)
D664/ WGU D664 - LEARNER AND LEARNING
SCIENCE EXAM | Objective Assessment Exam
NEWEST 2026 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALL ANSWERED {190 Q & A} ALREADY
GRADED A+ | BRAND NEW! | 100% GUARANTEED
PASS | WGU
Brainstem - ✔✔✔ Correct Answer > before we are born
controls basic functions (breathing and heart rate)
Limbic System - ✔✔✔ Correct Answer > Shortly after birth, continues
to develop through adolescence
controls emotions and memory, helps us navigate social
situations, regulate emotions and remember things.
,Page 2 of 28
Cerebellum - ✔✔✔ Correct Answer > begins to develop early in life
controls balance and coordination
helps us performs tasks like typing, writing, and sports
Cerebrum - ✔✔✔ Correct Answer > Extensive growth in childhood and
adolescence
the largest part of brain
controls higher cognitive function like thinking reasoning and
problem solving.
Prefrontal cortex (frontal lobe) - ✔✔✔ Correct Answer > begins to
progress through grade school
controls impulse control, decision making, and emotion
regulation
allows us to plan, organize, and prioritize
, Page 3 of 28
Neuroscience - ✔✔✔ Correct Answer > Study of the nervous system
and brain
Curiosity - ✔✔✔ Correct Answer > examine new information and
resources on developmental topics.
Evidence-Based Practice (EBP) - ✔✔✔ Correct Answer > analyze
evidence based research and data for guidance in selection of
practices and interventions.
Cognition - ✔✔✔ Correct Answer > Mental processes involved in
aquiring, processing, storing, and using info.
Neurodevelopment - ✔✔✔ Correct Answer > How the brain grows and
changes
Mylenation - ✔✔✔ Correct Answer > Makes brain pathways stronger
Pruning - ✔✔✔ Correct Answer > Gets rid of brain pathways
Brain Development Timeline - ✔✔✔ Correct Answer > prenatal (in
womb)
birth
newborn (rapid growth)
