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20-Year-Old-Male with Abdominal Trauma
Richard Watkins, 20, fell off his roof while replacing some shingles. Upon arrival at the scene, paramedics make the following observations:
•Abdominal pain, right upper quadrant
•Cyanotic, cool & clammy skin
•Falling blood pressure, 100/60 mm Hg; rapid pulse, 100 beats/min
Paramedics start an IV to rapidly infuse a 0.9% sodium chloride solution (normal saline). They transport him to a small rural hospital where Mr. Watkins’s blood pressure continues to fall and his cyanosis worsens. The local physician begins infusing O negative packed red blood cells (PRBCs) and arranges transport by helicopter to a trauma center. She sends additional PRBC units in the helicopter for transfusion en route. After arrival at the trauma center, the following notes were added to Mr. Watkins's chart:
•Abdomen firm and distended
•Blood drawn for typing and cross matching: packed A positive blood cells infused
•Emergency FAST (focused assessment with sonography for trauma) ultrasound is positive for intraperitoneal fluid
A positive FAST scan indicates intra-abdominal bleeding. Mr. Watkins's condition continues to deteriorate, so he is prepared for surgery. The operation reveals a lacerated liver, which is repaired. Mr. Watkins’s vital signs stabilize.
1. Mr. Watkins was going into shock because of blood loss, so paramedics infused a saline solution. Why would this help?
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Chapter 17 Solutions
HUMAN ANATOMY + PHYSIOLOGY + MAST AP
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- What happens to a microbes membrane at colder temperature?arrow_forwardGenes at loci f, m, and w are linked, but their order is unknown. The F1 heterozygotes from a cross of FFMMWW x ffmmww are test crossed. The most frequent phenotypes in the test cross progeny will be FMW and fmw regardless of what the gene order turns out to be. What classes of testcross progeny (phenotypes) would be least frequent if locus m is in the middle? What classes would be least frequent if locus f is in the middle? What classes would be least frequent if locus w is in the middle?arrow_forward1. In the following illustration of a phospholipid... (Chemistry Primer and Video 2-2, 2-3 and 2-5) a. Label which chains contain saturated fatty acids and non-saturated fatty acids. b. Label all the areas where the following bonds could form with other molecules which are not shown. i. Hydrogen bonds ii. Ionic Bonds iii. Hydrophobic Interactions 12-6 HICIH HICIH HICHH HICHH HICIH OHHHHHHHHHHHHHHHHH C-C-C-C-C-c-c-c-c-c-c-c-c-c-c-c-C-C-H HH H H H H H H H H H H H H H H H H H HO H-C-O H-C-O- O O-P-O-C-H H T HICIH HICIH HICIH HICIH HHHHHHH HICIH HICIH HICIH 0=C HIC -C-C-C-C-C-C-C-C-CC-C-C-C-C-C-C-C-C-H HHHHHHHHH IIIIIIII HHHHHHHH (e-osbiv)arrow_forward
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