The pigment called ________ traps ultraviolet radiation from sunlight and prevents the radiation from harming structures in the underlying layers of skin.
Fill in the blank(s) with the appropriate word(s).
melanin
Melanin, which is produced by melanocytes, absorbs UV radiation from sunlight and prevents the radiation from harming structures in the underlying layers of skin.
Health Professions
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The superior, middle, and inferior paravertebral ganglia are associated with the
a. Cervical, thoracic, and lumbar spinal cord b. Brainstem autonomics c. Cervical spinal cord d. Thoracic spinal cord
Health Professions
In which of the following conditions would patients have an increased concentration of methemoglobin?
a. Patient receiving drug containing sulfonamide b. Patient exposed to reducing agents c. Patient with hemoglobin S (Hb S) d. Patient with methemoglobin reductase deficiency
Health Professions