NK cells use ________ to lyse abnormal cells

A) pyrogen
B) perforin
C) interferon
D) complement
E) phagocytosis


B

Anatomy & Physiology

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Which of the following would provide no benefit to a person suffering any one of the various types of anemia?

A) treatment with synthetic erythropoietin B) supplemental bilirubin injection C) supplemental oxygen delivered by mask D) blood transfusion

Anatomy & Physiology

What term is used to describe a single, brief contraction and relaxation cycle in a muscle fiber?

A. Contraction phase B. Whole muscle contraction C. Power stroke D. Muscle twitch

Anatomy & Physiology

Select the statements that describe lower motor neurons. (Check all that apply.)

A. Send signals to visceral smooth muscle B. Send signals to skeletal muscles C. Have axons extending into peripheral nerves

Anatomy & Physiology

Which type of cell divides readily after a bone is damaged?

A) osteoblast B) osteoprogenitor cell C) red marrow cell D) osteocyte E) osteoclast

Anatomy & Physiology