UARK Motor Development Units 4, 5 ,6

True or False. It is during the "embryonic" period that the embryo is most susceptible to the influences of a teratogen

True

True or False. Hyponatremia is a parasite transmitted in pool water that develops in cysts in the intestinal tract

False

True or False. During early human development, maltreatment can disrupt brain function by impacting neural circuitry and literally reduce brain volume

True

True or False. In her research involving Jimmy and Johnny, McGraw sought to determine if a child's normal progress in motor development could be altered by certain conditions.

True

True or False. Infants under extended hospital care in unstimulating environments often fail to gain weight, a condition known as deprivation dwarfism.

True

True or False. Readiness is a time of particular or maximum sensitivity to environmental stimuli.

False

True or False. The notion of critical periods posits that, if a child is exposed to the appropriate stimuli during a time of optimal sensitivity, certain human behaviors are more likely to emerge, or at least be facilitated.

True

True or False. Catch-up can occur physically, intellectually, socially, and for motor ability

True

True or False. The midgrowth spurt in height occurs more frequently in girls than in boys

False

True or False. Peak height velocity generally occurs at about 13.7 years of age in boys and 12.0 years of age in girls

True

True or False. At birth, the head is approximately 25% of total body length

True

True or False. The endomorphic physique is best described as a tall and thin individual

False

True or False. Osteoclasts are cells responsible for removing or breaking down bone during bone remodeling

True

A Teratogen can be defined as

An environmental agent that cause harm to the embryo or fetus

Early exposure to a teratogen is likely to lead to

Strucutral damage and functional damage to fetal organs

Effects of maternal cocaine use on babies include all of the following EXCEPT

blood vessl dilation, increasing oxygen transport to the brain

Prescription drugs affect the fetus by

damaging the body part that is developing the fastest during the period of drug use

The most frequent outcome of maternal diabetes mellitis

macrosomia

Walking delayed two or more years, short stature, slow speech development, and prominent anatomical features such as close-set eyes; short, thick neck; and small, rather square head are symptoms and signs of

Trisomy 21 and Down syndrome

Phenylketonuria (PKU) is a gene-based disorder caused by

A disturbance in amino acid metabolism

Which of the following activities is to be avoided during pregnancy?

Hot yoga

During which prenatal period is the developing organism most susceptible to teratogens?

embryonic

A measurement used to estimate the stature of an individual who is unable to stand erect is

knee height

During the second year of life, gains in body length average about

5 inches

During the first year of postnatal life, body length increases about

50%

During the 2.5- to 3-year period of the adolescent growth spurt, adolescents often gain

20% of the adult height

The midgrowth spurt in height is a growth spurt that generally occurs

at approximately 6.5 to 8.5 years

Most of the height gained during the adolescent growth spurt is due to

lengthening of the trunk

Full adult height is attained when a female

is 18 and a male is 21 years old

At middle age, (around age 40) there is an apparent decrease in height caused by

all selection are correct

During the first year of life, body weight can be expected to

triple

Adolescent awkwardness is

a period during the growth spurt that is accompanied by a temporary disruption in motor performance AND more prevalent among males than females

Adolescent awkwardness occurs

during the period known as peak height velocity

The body proportion that is a ratio between sitting height and stature is the

contribution of legs and trunk to total height

At birth, the percentage of total body length accounted for by head and legs respectively is

25 and 15

The most widely accepted assessment of maturation is

skeletal age

The area of the body most frequently x-rayed to monitor bone growth and maturation is

left hand and wrist

What is the calculation formula for body mass index

kg/m2

Which of the following is not related to the condition known as the "female athlete triad?"

appositional bone formation

Adolescent boys are generally weaker than they physically appear because peak gains in muscle mass generally lags how many months behind peak height velocity?

14 months