The entire epidermis is replaced every ________.
A. 2 weeks
B. 2-3 hours
C. 2-3 days
D. 2 months
Answer: A
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Open soft-tissue facial trauma following a significant mechanism of injury:
A) often requires removal of foreign bodies that are impaled in the face. B) is of most concern due to the possibility of permanent disfigurement. C) suggests that the patient may have a closed head injury or spinal injury. D) dictates the need for immediate intubation to protect the patient's airway.
Which correctly describes the structure of an atom?
A. There are the same number of protons and neutrons. B. The number of protons, neutrons, and electrons never changes. C. There are the same number of neutrons and electrons. D. There are never the same number of neutrons and protons. E. There are the same number of protons and electrons.
Broca's area is located in the cerebral cortex
a. near the base of the precentral gyrus b. near the middle of the postcentral gyrus c. in the parietal lobe d. between the parietal and occipital lobe e. posterior to Wernicke's area
What does smooth muscle contain that enables it to stretch much more than skeletal muscle?
a. calcium b. glucosamine c. sarcomeres d. connective tissue e. microfilaments