[Exam 3] Chapter 29 – Growth and Development of the Adolescent Flashcards
Age for girls and boys to enter puberty?
Girls: 9-10
Boys: 10-11
Physiologic Changes With Puberty: Secretion of estrogen and testosterone in boys stimulates what
Development of breast tissue in girls, pubic hair in both sexes, and changes in male genitalia
Physiologic Changes With Puberty: What does GnRH release and stimulate the production of?
FSH and LH.
Physiologic Changes With Puberty: What does LH stimulate
ovulation in girls and acts on testicular leydig cells in boys propting maturation of testicles
Physiologic Changes With Puberty: LSH with LH stimualtes what
sperm production
Physiologic Changes With Puberty: When does menarhe occur?
First menstrual period, usually begins between 9-15 years of age.
Physiologic Changes With Puberty: When does thelarche occur?
Breast budding occurs at 9-11 years
Physiologic Changes With Puberty: First sign of pubertal changes in boys?
Testicular enlargement in response to testosterone, usually in tanner stage 2.
Physiologic Changes With Puberty: What happens as testosterone levels increase
penis and scrotum wil enlarge, hair distributes more, and scrotal skin texture changes.
Physical Growth: When does height stop in girls?
Ceases 2 to 2.5 years after menarche
Physical Growth: When do boys stop growing in height?
13.5 to 17.5 years old.
Physical Growth: When does peak height velocity occur?
6 months after menarche for girls
14 years old in boys
Organ System Maturation - Neurologic System: What changes occur her?
Brian size stays the same, a long with neurons. But growth of myelin sheath enables faster neural processing
Organ System Maturation - Respiratory System: RR now?
15-20 breaths per minute.
Organ System Maturation - Respiratory System: Why is volume and capacity greater in boys than girls?
Because of increased chest and shoulder size
Organ System Maturation - Cardiovascular System: Changes in heart?
Increase in size and strength
BP rises and HR decreases
Organ System Maturation - GI System: Teeth here?
Full set with exception of last 4 molars, which come between 17-20 years
Organ System Maturation - Musculoskeletal System: When is ossification complete?
Late adolescence in boys. Earlier in girls.
Organ System Maturation - Musculoskeletal System: Wht do low estrogen levels do?
Stimulate skeletal growth, while higher inhibit growth
Organ System Maturation - Integumentary System: What do androgens cause here?
Sebaceous glands become more active, particularly on the face, back, and genitals.