Exam 6: Physical Development

What process underlies the development of the skeleton?

In comparison to males,when do females experience the adolescent growth spurt?

Infants and children typically show earlier motor and muscular control of activities involving the neck and upper extremities than those involving the legs.Which of the following is responsible for this developmental trend?

Describe two eating disorders that often emerge during adolescence.How prevalent are each of these disorders?

Outline the typical developmental sequence of voluntary reaching and identify the cues that are used to guide early reaching.

Which part(s)of the body are dependent on adequate levels of thyroxine for normal growth?

The emergence of which motor skill lies behind the increasingly skilful manipulation of dials,knobs,and small objects such as raisins,which occurs near the end of the first year?

Which statement most accurately compares the physical abilities of the two sexes with respect to activities such as running speed and the broad jump?

Compare the composition of muscle fibres at birth with the composition of muscle fibres in the mid-20s,for both sexes.

What is the primary cause of nonorganic failure-to-thrive syndrome?

What is a major obstacle to the successful treatment of bulimia?

Baby Maede can skillfully control the movements of her trunk and shoulders but not of her hands and fingers.Which trend best characterizes Maede's motor skills?

Outline the basic pattern of myelinization and explain how the pattern of myelinization is reflected in the development of motor skills and coordination.

What is the most likely explanation for the decrease in the average age of onset for menarche over the past 100 years?

Anna lives in Canada and her pen pal,Mazo,lives in a nonindustrialized developing nation.As these two girls approach adolescence,what is most likely to happen to each with respect to the timing of menarche?

Of the following,which group of adolescents is most likely to be diagnosed with anorexia and bulimia?

Much like nonhuman primates,Simon holds an object by pressing his fingers against his palm.What type of grasp is Simon using?

Which statement best characterizes the pattern of growth of the muscles?

What is the term for cells that nourish neurons and encase them within insulating sheets of myelin?

During which period of development does the thyroid gland first begin to produce the hormone thyroxine?