Which cell type stands guard to alert the body of pathogens entering through the skin?

A. Dendritic cells
B. B Plasma cells
C. T Helper cells
D. Natural killer cells


Answer: A

Anatomy & Physiology

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What type of hormone triggers the synthesis of new proteins within cells?

A) Protein hormones B) Water soluble hormones C) Paracrines D) Steroids

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The upper and lower limbs compose the _____ portion of the body.

A. appendicular B. proximal C. distal D. axial

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White blood cells digest other cells and so would be expected to

A. have mitochondria to energize them. B. have large numbers of lysosomes. C. possess cilia on their surfaces so they can move quickly. D. expel their nuclei to make room for all of the cells they eat. E. excrete excess salt as a result of all this eating.

Anatomy & Physiology

Which of the following lists the stages of prenatal development in the correct order?

A. Embryo, zygote, cleavage, morula, trophoblast, fetus B. Zygote, morula, cleavage, embryo, trophoblast, fetus C. Cleavage, zygote, morula, trophoblast, embryo, fetus D. Zygote, cleavage, morula, trophoblast, embryo, fetus E. Zygote, embryo, morula, cleavage, trophoblast, fetus

Anatomy & Physiology