chapter 3 Flashcards
according to the proximodistal growth pattern, which of the following are likely to show growth earlier?
legs and arms
sammi was born three days and has lost 3% of her body weight. should her parents be concerned?
no. babies normally lose between 5-7% of their body weight within the first few days after birth.
leon is unusually short compared with his peers. it could be because
- of congenital or prenatal problems
- he suffers from ac certain growth hormone deficiency
- his mother smoked while pregnant
which of the following changes are most pronounced in middle and late childhood?
changes in proportions
________ is a hormone associated in girls with breast, uterine, and skeletal development
estradiol
early maturation in girls is linked to which of the following?
problems behaviors such as smoking, drinking, and having an eating disorder
body fat accounts for ______ percent of body weight in adolescence and _______ percent or more in middle adulthood
10; 20
which structure is responsible for about 80% of the brain’s volume and is critical to perception, thinking and language?
cerebral cortex
commutation in the synapse occurs through the release of chemical substances known as
neurotransmitters
seventeen-year-old jake tends to take risks while driving and is quick-tempered. this lack of self-control and reasoning may be due to the relatively slow development of the
prefrontal cortex
which of the following was a conclusion reached in the brain study of the sister of norte dame of mankato?
positive emotions in early adulthood were linked to longevity
a recent study linked bed sharing with which of the following?
SIDS
who is most likely to get up latest in the day
phil, who is a freshman in college
according to recent research, to avoid cognitive damage, adults should get
between 7-9 hours of sleep per night
researchers have extended the life of a human cell by
injecting it with telomerase
which theory of aging proposes that unstable oxygen molecules ricochet around cells, damaging DNA and other structures?
free radical