Under "normal" conditions, neutrophils comprise __________ of the circulatory white blood cells.

a. 10-20 percent
b. 20-40 percent
c. 50-70 percent
d. 85-95 percent


Ans: c. 50-70 percent

Anatomy & Physiology

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Excess CSF is removed from the subarachnoid space by

A.  the median aperture. B.  microglia. C.  astrocytes. D.  arachnoid villi. E.  the choroid plexus.

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Draw and explain the sigmoidal shape of the oxygen equilibrium curve for vertebrate hemoglobin. In your drawing, be sure to label your axes

What will be an ideal response?

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The flexor (withdrawal) reflex employs a ________, which maintains a sustained contraction

A) diverging circuit B) reverberating circuit C) closed circuit D) parallel after-discharge circuit E) converging circuit

Anatomy & Physiology

The body system that provides support and protection as well as being a site of blood cell production (hemopoiesis) is the ________ system.

A. respiratory B. muscular C. cardiovascular D. lymphatic E. skeletal

Anatomy & Physiology