Betty, an 83 year old woman, is bedfast due to a severely broken hip. Unfortunately, she has developed a decubitus ulcer. What is a decubitus ulcer and what may have caused it to occur?
What will be an ideal response
A decubitus ulcer is a localized breakdown and ulceration of skin due to interference with its blood supply. Usually occurs over a bony prominence, such as the hip or heel, that is subjected to continuous pressure; also called a bedsore.
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All but which one of the following compounds is an invertebrate phosphogen?
A) Phosphoarginine B) Phosphocreatine C) Phosphoglycocyamine D) Phospholambricine
Select the factor in the arterial blood that has the largest effect on increasing the rate of respiration
a. The hydrogen ion concentration in the kidney ECF increases. b. The hydrogen ion concentration in the ECF generally increases. c. The partial pressure of carbon increases. d. The partial pressure of oxygen drops to 90. e. The partial pressure of carbon decreases.
Vitamin D must be activated by the ____________________ and ____________________
Fill in the blank(s) with correct word
When a nurse draws blood, it is not uncommon for the needle to penetrate which muscle near the cubital region?
A. Semimembranosus B. Supinator C. Pronator quadratus D. Pronator teres E. Buccinator