LearningCurve 9a) Puberty Begins; Physical and Sexual Growth

During adolescence, the heart will grow by a factor of: 1.5. 2. 3. 2.5.

2

In what way does stress affect puberty? Stress increases the hormones that start puberty. Stress regulates menstruation. Stress decreases the hormones that start puberty. Stress encourages reproduction at every stage of the process.

Stress increases the hormones that start puberty.

Which statement concerning a teenager's brain growth is true? The prefrontal cortex matures before the limbic system does. The reflective areas of the brain develop before the emotional areas do. The limbic system matures before the prefrontal cortex does. Maturation of the cortex depends more on hormones than on age.

The limbic system matures before the prefrontal cortex does.

Why are adolescents less susceptible to respiratory ailments than are younger children? Overall, muscle strength doubles. The pulse increases. The total volume of blood decreases. The lymphoid system (tonsils and adenoids) decreases in size.

The lymphoid system (tonsils and adenoids) decreases in size.

Jennifer refuses to maintain a body weight that is appropriate for her developmental stage, age, and height. Although extremely thin, she still thinks she is fat and thus increasingly restricts her caloric intake. Jennifer could be diagnosed with: steroid use. anorexia nervosa. bulimia nervosa. compulsive overeating.

anorexia nervosa.

Del frequently consumes large amounts of food in one sitting and often feels out of control with his eating. However, he neither purges nor engages in excessive exercise. Del may have: binge eating disorder. bulimia nervosa. anorexia nervosa. depression.

binge eating disorder.

The STI called _____ may result in a newborn with lifelong disabilities and a shortened lifespan. congenital syphilis gonorrhea genital herpes chlamydia

congenital syphilis

According to the text, the overall rate of teen birth and teen abortion is: declining for teen birth and increasing for teen abortion. increasing for both. declining for teen abortion and increasing for teen birth. declining for both.

declining for both.

Jeremy and his teenage buddies Larysia and Ted toilet-papered and "egged" several houses in a nearby neighborhood around midnight. These antisocial activities were MOST likely due to adolescent: transitive inference. eveningness. metacognition. working memory.

eveningness

Fourteen-year-old John and Carlos decided to build a bike ramp that would propel them in the air over a small but deep ravine. This could have caused considerable physical injury had Carlos's father not caught them before they completed the act. In this case, John and Carlos's impulsive behavior is due to the _____, but Carlos's father's more reasoned response is due to the maturity of the _____. adrenal glands; estradiol limbic system; adrenal glands prefrontal cortex; limbic system limbic system; prefrontal cortex

limbic system; prefrontal cortex

Jasmine, a first-grader, is beginning to show visible signs of breast development. This is called: leptin. aggressive-rejected. precocious puberty. effortful control.

precocious puberty.

The _____ is/are responsible for planning ahead and emotional regulation in the brain. prefrontal cortex limbic system adrenal glands pituitary

prefrontal cortex

Jazmine is pregnant. The parts of Jazmine's body that are directly involved in reproduction are called the _____ sex characteristics. peripheral secondary central primary

primary

Barbara is a teenager and has noticed that her hips are growing wider, but not from overeating. What type of sex characteristic is this considered for Barbara? secondary primary menarche immersion

secondary

Males grow about five inches taller than females during puberty. What type of sex characteristic is this? central maleness secondary primary

secondary

Which later health problem is mentioned in the text as being related to delayed rather than early puberty? breast cancer stroke diabetes sickle cell anemia

sickle cell anemia