Unit 6 Standards 6.1 Early Human Development

Reorder the following stages of human maturation process

• zygote (germinal)

• conception

• Fetal

• Embryonic

Match the following infant reflexes

• turning head toward a touch on the cheek

• Babinski reflex

• when newborns curl fingers around object

• rooting

• automatic response of lifting the legs when held upright and the feet touch a surface

• stepping

• reflex of fanning and curling toes when the sole of the foot is stroked

• Moro reflex

• startle reflex in response to sudden movement or noise

• grasping

Infants become familiar with new stimuli but get bored quickly. The fact that they are bored quickly and will pay attention to any novel (new) stimulus is a phenomenon known as

• habituation

• adaptation

• reversion

• sensitization

Any agent that can reach the fetus and cause it harm

• toxins

• infantile amnesia

• teratogens

• germs

Caused by a teratogen, children with this condition have very distinct facial features and social-cognitive development (typically with an intellectual disability):

• Turner Syndrome

• Fragile X syndrome

• Down's Syndrome

• Fetal Alcohol Syndrome (FAS)

Organize these options into the right categories

Groups:

(a) Gross Motor Skills

,

(b) Fine Motor skills

• pincer grasp

• putting object in mouth

• turning page in book

• standing up

• walking alone

• grasping a rattle

• lifting head

• crawling

• sit without support

• scribble with cxrayon

When does conscious memory begin?

• around 1-2 years old

• around 3-4 years old

• around 5 years old

• around 7-8 years old

Match the following terms in the stages of maturation

• after 9 weeks; looks unmistakably human

• zygote

• cells divide and multiply rapidly

• conception

• name after attaches to uterine wall

• placenta

• nourishes embryo with oxygen and food

• embryo

• the second when a sperm fertilizes a egg

• fetus

In the prenatal state, which part of the brain develops first?

• cerebrum

• brainstem

• amygdala

• thalamus

The facial distortions of the children in these picture is a result of

• chemical toxins

• alcohol

• cocaine

• prescription medication abuse