7.5.11: Critical Thinking Questions

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21.

Although there are many different hormones in the human body, they can be divided into three classes based on their chemical structure. What are these classes and what is one factor that distinguishes them?

22.

Where is insulin stored, and why would it be released?

23.

Glucagon is the peptide hormone that signals for the body to release glucose into the bloodstream. How does glucagon contribute to maintaining homeostasis throughout the body? What other hormones are involved in regulating the blood glucose cycle?

24.

Name two important functions of hormone receptors.

25.

How can hormones mediate changes?

26.

Why is cAMP-mediated signal amplification not required in steroid hormone signaling? Describe how steroid signaling is amplified instead.

27.

Name and describe a function of one hormone produced by the anterior pituitary and one hormone produced by the posterior pituitary.

28.

Describe one direct action of growth hormone (GH).

29.

Researchers have recently demonstrated that stressed people are more susceptible to contracting the common cold than people who are not stressed. What kind of stress must the infected patients be experiencing, and why does it make them more susceptible to the virus?

30.

How is hormone production and release primarily controlled?

31.

Compare and contrast hormonal and humoral stimuli.

32.

Oral contraceptive pills work by delivering daily synthetic progestins to an ovary-based reproductive system. Describe why this is an effective method of birth control.

33.

What does aldosterone regulate, and how is it stimulated?

34.

The adrenal medulla contains two types of secretory cells, what are they and what are their functions?

35.

How would damage to the posterior pituitary gland affect the production and release of ADH and inhibiting hormones?