L19;C17

Question 1

Explain the following terms:

Growth
Development
Maturation

Answer 1

Growth- increasing in body or body part
Development- differentiation, functional change
Maturation- process of taking adult form

Question 2

Explain if the rate of change and height and weight is fast or slow for the following:

Birth—> 2 years
2 years—> puberty
Puberty onset—>
Puberty—> late teens

Answer 2

Fast
Slow
Fast
Slow

Question 3

When does height change fasted in males? Females?

What about weight?

Answer 3

Height: males is 14 years, females is 12
Weight: males in 14.5, females in 12.5

Question 4

What do males continue to produce past puberty?

Answer 4

Testosterone

Question 5

What stimulates bone closure?

Answer 5

Estrogen

Question 6

___% of BW at brith is MM

This accounts for ___-___% of BW in young women

And ____-___% of BW in young men (due to testosterone)

Answer 6

25,

30-35

40-45

Question 7

What leads to an increase in muscle mass?

Answer 7

Fibre hypertrophy

Question 8

What leads to an increase in muscle length?

Answer 8

More/longer sarcomeres

Question 9

Amount of fat is affected by three things:

Answer 9

1. exercise
2. Diet
3. Hereditary

Question 10

What does symmorphosis mean?

Answer 10

In biological organisms, structural design is matched to function demand within a defined functional system

Question 11

When does strength peak for men and woman?

Answer 11

20 years for women

20-30 for men

Question 12

Strength, power, and skill require what to increase?

Answer 12

Myelination

Question 13

With respect to resting and submaximal blood pressure, describe the different compared to adults and children

Answer 13

There is lower BP in adults (due to stature)

Smaller hearts means lower peripheral resistance during exercise

Question 14

Do adults have higher Q than Children?

Answer 14

There is a slightly lower Q in children than adults, the A-Vo2 difference increases to further the compensation