The layer of the digestive tract that is composed of stratified and columnar epithelium is the:

a. serosa
b. muscularis
c. submucosa
d. mucosa


d. mucosa

Anatomy & Physiology

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A chemical precursor for cortisol is ________, which is made from ________. Cortisol is secreted by ________ when stimulated by ________ from the anterior pituitary.

A. estradiol; cholesterol; adrenal medulla; corticotropin-releasing hormone (CRH) B. progesterone; cholesterol; adrenal cortex; adrenocorticotropic hormone (ACTH) C. testosterone; cholesterol; adrenal medulla; adrenocorticotropic hormone (ACTH) D. androstenedione; progesterone; adrenal cortex; corticotropin-releasing hormone (CRH) E. progesterone; cholesterol; adrenal medulla; adrenocorticotropic hormone (ACTH)

Anatomy & Physiology

The dorsal body cavity is the site of which of the following?

A) intestines B) brain C) lungs D) liver

Anatomy & Physiology

In response to stress, the adrenal medulla releases ________, which has the effect of increasing heart rate and blood pressure.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

All of the following are true about the cabbage water tests, except

A. baking soda is used in this experiment as an example of a basic substance. B. distilled water is used in this experiment as an example of a neutral substance. C. vinegar is added to one of the test tubes as an example of an acidic substance. D. red cabbage contains a pigment that functions as a colorimetric pH indicator. E. All of the choices are correct.

Anatomy & Physiology