Which of the following cells stand guard against toxins, microbes and other pathogens?

A. Tactile cells
B. Dendritic cells
C. Keratinocytes
D. Melanocytes
E. Adipocytes


Answer: B

Anatomy & Physiology

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Which of the following describes a second-degree burn?

A. It involves only the epidermis. B. It involves the epidermis, part of the dermis, and may produce blisters. C. It indicates the complete destruction of both the epidermis and dermis. D. It probably will require a skin graft. E. The skin will not regenerate.

Anatomy & Physiology

Simple squamous epithelium is characteristic of the ____.

a) terminal bronchioles b) respiratory bronchioles c) trachea d) segmental bronchi

Anatomy & Physiology

The hardness of bone comes from ________, whereas ________ provide(s) some degree of flexibility.

A. calcium carbonate; calcium phosphate B. proteins; collagen C. hydroxyapatite and other minerals; proteins D. glycoproteins; proteoglycans E. collagen and elastic fibers; minerals

Anatomy & Physiology

The portion of a hair that protrudes above the surface of the skin is the

A. hair root. B. hair follicle. C. hair shaft. D. hair bulb. E. dermal papilla.

Anatomy & Physiology