A patient arrives in your clinic with a sunburn that affects the epidermis only. Her skin appears red and is mildly painful. You believe she has a:
A) first-degree burn. B) second-degree burn.
C) third-degree burn. D) fourth-degree burn.
Answer: A
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Select the most correct statement concerning skin cancer
A) Squamous cell carcinomas arise from the stratum corneum. B) Melanomas are rare but must be removed quickly to prevent them from metastasizing. C) Basal cell carcinomas are the least common but most malignant. D) Most tumors that arise on the skin are malignant.
Injury to cervical vertebra C3-C4 is particularly problematic because ________
A) several ganglia are near this region that serve the heart B) the greater auricular nerve that serve the parotid gland receive there fibers from here C) the phrenic nerve that serves the diaphragm receives its fibers from here D) part of the brain stem is located here
Mike has classical hemophilia, a clotting disorder, but his case is considered "mild." His levels of factor VIII are 28% of normal. He is usually OK going about the activities of normal daily living. He plays slow pitch softball and enjoys swimming and horseback riding, and is an exceptionally active individual who believes "why walk when you can run?" He has noticed that once he has one injury,
he will have "bleeds" more readily, and has to restrict his own activities to give himself time to heal. Why would he have to "slow down" longer than a person without hemophilia? What will be an ideal response?
Keratinocytes are
A. the most abundant cell type in the epidermis. B. able to synthesize the protein keratin. C. found throughout all epidermal strata. D. sometimes alive and sometimes dead, depending on where found. E. All of the choices are correct.