The outermost layer of an artery or vein is called the:

a. tunica intima
b. tunica media
c. tunica adventitia
d. endothelium


c. tunica adventitia

Anatomy & Physiology

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Which class of antibodies indicates a recent invasion?

a) IgA b) IgE c) IgM d) IgD e) IgG

Anatomy & Physiology

Secretions from digestive organs include

a. enzymes b. bile c. mucus d. hormones e. all of the above

Anatomy & Physiology

The three hormonal factors that influence Ca2+ metabolism are ____________________, ____________________, and ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

A herniated disc occurs when

A. the covering of the spinal cord is torn. B. there is a fracture of the vertebral arch. C. spinal nerves are cut. D. the body of a vertebra is fractured. E. there is protrusion of the nucleus pulposus.

Anatomy & Physiology