White blood cells that directly destroy virus-infected and cancerous cells are ________ cells.

A. natural killer
B. suppressor T
C. helper T
D. dendritic


Answer: A

Health & Biomechanics

You might also like to view...

Which of the following exercises is classified as aerobic?

A. A 100-meter race B. A 400-meter race C. A 2-mile walk D. Chin-ups E. Bench press

Health & Biomechanics

The combining form that means crooked is ________.

Fill in the blank(s) with the appropriate word(s).

Health & Biomechanics

Which condition is caused by an increase in the amount of potassium in the blood?

A. Hypocapnea B. Hypotension C. Hyperkalemia D. Hypercalcemia

Health & Biomechanics

Which type of fracture occurs as the result of a severe twisting motion, such as in a sports injury?

A) open fracture B) compression fracture C) spiral fracture D) comminuted fracture

Health & Biomechanics