When You Go Outside on a Hot Summer Day, Your

question 35

Multiple Choice

When you go outside on a hot summer day, your body temperature heats up above the normal range. Receptors in your brain detect the change in body temperature. The brain activates nerve cells that send messages to sweat glands, causing the body temperature to fall as the sweat evaporates from the skin. What part of this feedback loop is the effector?

• A) sweat glands
• B) brain
• C) nerve cells
• D) increased body temperature

Analyze the concept of set point in determining constant body weight.

Identify genetic and environmental factors impacting obesity with a focus on the Pima Indians.

Recognize the hypothalamus's critical role in starting and stopping eating behaviors.

Evaluate the effectiveness and challenges of weight loss drugs in managing obesity.

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Definitions:

NMR Data

Information obtained from Nuclear Magnetic Resonance spectroscopy, used to determine the structure of molecules.

Quartet

In nuclear magnetic resonance (NMR) spectroscopy, a signal that is split into four distinct peaks, indicating the presence of three equivalent protons in the neighboring environment.

Doublet

A pattern in spectroscopy indicating two adjacent peaks, often associated with the spin of a nucleus affecting a neighboring nucleus.

NMR Spectrum

A representation of the nuclear magnetic resonance absorption by nuclei in a sample.