Which cell is incorrectly matched with the characteristic?

A) basophils - have granules containing histamine and heparin
B) neutrophils - most abundant white cell
C) neutrophils - most difficult to identify
D) eosinophils - cytotoxic cells may live only 6-12 hours
E) eosinophils - numbers increase with allergies and parasites


C) neutrophils - most difficult to identify

Anatomy & Physiology

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A substance that provokes an immune response is called a(n)

A) thymosin. B) complement. C) chemotoxin. D) irritant. E) antigen.

Anatomy & Physiology

The bony elevations immediately inferior to your eyebrows are the

A. superciliary arches. B. external occipital protuberances. C. dorsum nasi. D. mental region. E. superorbital ridges.

Anatomy & Physiology

A monkey makes arm movements while you record the activity of a cell in primary motor cortex in a cortical column related to arm muscles. What is most likely true about the cell's activity?

A. It is linearly related to movement direction and thus can predict the direction of the upcoming movement. B. It doesn't vary with movement direction. C. It always increases during the movement. D. It is nonlinearly related to movement direction and thus does not predict the specific direction of the upcoming movement.

Anatomy & Physiology

Phenotype is the result of genetic influences only

Indicate whether the statement is true or false

Anatomy & Physiology