#1
Which of the following is a primary sex characteristic?
Breast development in females
ExplanationPhysical trait directly related to sexual reproduction.
#2
What is the term for the inborn, automatic responses to a specific stimulus?
Reflex
ExplanationInstinctive reaction to external triggers.
#3
Which parenting style is characterized by high demands and low responsiveness?
Authoritarian
ExplanationStrict discipline with limited emotional support.
#4
During which stage of prenatal development does the neural tube form?
Embryo
ExplanationEarly stage of development before organ formation.
#5
What is the role of oxytocin in childbirth?
Uterine contractions
ExplanationHormone triggering labor contractions.
#6
At what age is the peak of synaptic density reached in the human brain?
Infancy
ExplanationHighest point of neural connections in early life.
#7
Which brain structure is crucial for memory formation?
Hippocampus
ExplanationKey region for the creation of new memories.
#8
What is the term for the process by which neurons become more efficient at transmitting signals?
Myelination
ExplanationInsulating neurons for faster signal transmission.
#9
During which stage of Erikson's psychosocial development does the conflict of identity vs. role confusion occur?
Identity vs. Role Confusion
ExplanationStage where adolescents question their identity.