A 23-year-old male was involved in a motor-vehicle crash and has an obviously depressed skull fracture. His pulse is rapid and weak, his skin is cool and clammy, and his blood pressure is low. You should:
A. recognize that his clinical presentation is consistent with brain herniation.
B. hyperventilate him at 20 breaths/min with a bag-mask device and 100% oxygen.
C. start a large-bore IV, but restrict fluids to avoid an increase in intracranial pressure.
D. suspect that he has internal bleeding and administer crystalloid fluid boluses.
Answer: D. suspect that he has internal bleeding and administer crystalloid fluid boluses.
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Medical records are used for nonmedical reasons such as quality improvement, utilization review, and ________.
Fill in the blank(s) with the appropriate word(s).
In girls, sexual development begins with the secretion of:
A. prolactin (Prl) B. gonadotropin-releasing hormone (GnRH) C. follicle-stimulating hormone (FSH) D. luteinizing hormone (LH)
In radiography, a partial shadow or fuzzy outline around the image is referred to as what?
overlapping mutations light fog penumbra
Calculate the median of the following data: 25, 27, 30, 30.
A. 27 B. 28.5 C. 30 D. 28