Which type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis?

A. Basophils
B. Eosinophils
C. Macrophages
D. Neutrophils
E. Natural killer cells


Answer: E

Anatomy & Physiology

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Mammary development begins at puberty

Indicate whether the statement is true or false

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What is anemia characterized by?

a. low plasma volume b. low hematocrit c. low white blood cell count d. high thrombocyte count e. thick blood

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What type of muscle tissue causes vasoconstriction?

A. skeletal muscle B. smooth muscle C. cardiac muscle

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A person who is HIV-positive and has a helper T (TH) cell count lower than ________ has AIDS

A) 200 cells/?L B) 1,000 cells/?L C) 20,000 cells/?L D) 50 cells/?L E) 5,000 cells/?L

Anatomy & Physiology