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.
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32°F (freezing) is equivalent to:
A) 0°C B) 23°C C) 100°C D) 212°C
During the absolute refractory period the cardiac cell:
A. cannot be stimulated. B. can be stimulated. C. can be stimulated if stimulus is strong enough. D. can only contract.
A constant cycle from sensory input to processing in the brain and/or spinal cord to motor output that produces movement responses
What will be an ideal response?
In cases of sexual assault, it is important to ensure that you do which of the following?
A. Immediately write down your observations of the scene before assessing the patient. B. Call for a female EMT or ALS care provider. C. Discuss with law enforcement any suspicions that you may have about the perpetrator. D. All of these answers are correct.