Exam 2: Biological Development

Which item is responsible for hormone production along with eating, drinking, and temperature regulation?

Tucker, a 13-year-old boy, noticed that his voice is changing. It cracks sometimes when he is answering a question in class. He is very embarrassed about the situation and has started to become much quieter. He has also noticed that he has more acne on his face and sweats more during soccer practice. He sometimes feels like he needs to shower twice a day so that he won't have any body odor. Tucker is experiencing ______.

Early-maturing girls are more at risk for dating violence than late-maturing girls.

The peer group is a contextual factor that does not have any effect on the experience of puberty.

Jamal, a 13-year-old boy, has just experienced his spermarche. His parents did not discuss this marker of puberty with him. Every time his mother or father try to discuss reproduction and puberty with him, they feel uneasy. Because of this interaction, Jamal's reaction to his spermarche tends to be more about ______.

The experience of extreme stress can speed up the timing of the menarche.

Susan is 13 years old but she looks a lot like her new 16-year-old friends. She has a boyfriend and attends high school events with her older friends. Susan's parents are concerned about her because ______.

Sophia and Olivia are 12-year-old identical twins. They have not yet experienced their menarche. They have both developed some secondary sex characteristics about the same time. Their mother had her menarche at age 13. The girls expect to experience their menarche at about the same time as each other due to their ______.

The secular trend is the increased age at which puberty occurs with each generation.

A scientist interested in studying metabolism prior to puberty would benefit from focusing on ______.

Chan has been getting to school early for a meeting with his quiz bowl team as they are getting ready to compete. In order to keep up with his schoolwork, he has been on his laptop later and later in the evening. Even when he is finished, it seems to take his body more time to become sleepy even though he is tired throughout much of the day. This didn't happen when he was in elementary school, even when he went to before school practices. Chan is most likely experiencing the ______.

The endocrine system produces and regulates the levels of hormones in the body.

Ann's daughter, Chloe, has just experienced her menarche at age 12. Chloe has normal body weight with a lot of physical activity in her day. Ann remembers that she had her menarche at age 13 while her mother, Chloe's grandmother, experienced hers at age 14. This exemplifies the ______.

Which is a contextual explanation for problems that early maturers face?

The lowering of the average age of puberty from prehistoric times to present day is known as ______.

How are the hormone levels of testosterone and estrogen related to pubertal development?

What is the relationship between pubertal timing and socioeconomic status?

How is body mass index related to pubertal timing in girls?

Jackie, an 11-year-old girl, has recently been through her parents' divorce. As a result of the divorce, her mother has begun dating again. Next month, her mother plans to move her boyfriend into the house. This stress and an unrelated male in the household may have which affect on Jackie?

How is a low socioeconomic status related to early menarche in girls?