What is the typical magnification provided by the eyepiece (ocular) lens system?
A. 1,000x
B. 4x
C. 100x
D. 10x
E. 0x (the eyepiece lens system does not provide any magnification)
Answer: D
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The contraction of the piloerector muscles (pilomotor muscle or arrector pili) in humans causes __________.
A. hairs to stand on end, trapping an insulating layer of warm air next to the skin B. generation of heat to raise the body temperature C. hairs to stand on end to make the individual appear bigger D. hairs to stand on end with no apparent function E. increased ability to feel pain
Signs and symptoms of inflammation include all of the following EXCEPT ________.
A. cold B. pain C. swelling D. redness
Most of the body's neural tissue (roughly 96 percent) is located in the ________ and spinal cord, the primary control centers for the nervous system.
Fill in the blank(s) with the appropriate word(s).
Homeostasis involves both ____________________ compensatory responses and ____________________ adaptations among the different body systems
Fill in the blank(s) with correct word