Label C represents which of the following structures?



A) urinary bladder

B) rectum

C) anus

D) urethra

E) sigmoid colon


A) urinary bladder

Anatomy & Physiology

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Which muscle is not attached in some way to the scapula?

A) teres minor B) deltoid C) sternocleidomastoid D) teres major E) infraspinatus

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Which tumor originates in epithelial tissue?

A. Lymphoma B. Sarcoma C. Carcinoma D. Leukemia

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Before specific defenses are activated, most antigens must

A) infect cells. B) be processed by a phagocyte. C) either infect cells or be processed by a phagocyte. D) depolarize the lymphocyte. E) bind to the DNA of the lymphocyte

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Chemicals that signal the same cell that made them are called ________ messengers, while those that signal nearby cells are called_____ messengers.

A. paracrine; endocrine B. autocrine; paracrine C. endocrine; pheromone D. allomone; autocrine E. pheromone; prostaglandin

Anatomy & Physiology