A _____ degree burn typically involves the epidermis and part of the dermis. The subcutaneous layer is not affected.
a. first-
b. second-
c. third-
d. fourth-
b. second-
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Which best describes the process of "adaptation" in sensory receptors?
A. A depolarization of receptive membrane that increase in magnitude as the stimulus intensity increases B. Conversion of the energy of a stimulus into a pattern of electrical activity C. Persistence of the sensation of a limb even after it has been severed from the body D. A decrease in receptor sensitivity despite continuation of a stimulus E. Information from sensory receptors reaches the cerebral cortex and the person becomes aware of it
A decrease in the release of neurotransmitter from the photoreceptor would indicate a(n)
A) lack of light reaching the retina. B) decrease in light intensity. C) increase in light intensity. D) change in focus of the lens onto a distant object.
Which epithelial tissue can be described as "all cells attached to the basement membrane but not all cells reach free surfaces"?
A. Transitional B. Simple C. Pseudostratified D. Stratified E. Columnar
The primary mineral in bone is
A. iron. B. sodium. C. potassium. D. calcium. E. oxygen.