SOLVED

31) Red blood cells make up approximately ________ percent of whole blood volume. A) 45 B) 60 C) 30 D) 15 32) Which of the following is a manifestation of orthostatic hypotension? A) Your patient’s pulse is 76 when he is supine but 88 when he sits up. B) Your patient’s blood pressure is 142/90 when she is supine but 116/88 when she sits up. C) Your patient’s blood pressure is 150/100 when he is supine but 134/90 when he sits up. D) Your patient’s pulse is 80 when she is supine but 96 when she sits up. 33) Assuming all of the following patients have experienced significant blood loss and are hypotensive, in which would the use of PASG be absolutely contraindicated? A) A 19-year-old female with an unstable pelvis after being thrown from a horse B) A 35-year-old pregnant woman with bilateral femur fractures sustained in a head-on motor vehicle collision C) A 16-year-old male with massive blood loss from a severed popliteal artery as a result of being struck by a piece of metal debris ejected by a lawn mower D) A 31-year-old man with a stab wound between his thoracic vertebral column and right scapula 34) The blood flowing to the heart best describes: A) Contractility B) Afterload C) Preload D) Vascular phase 35) Under normal circumstances, at any given moment most of the blood is in the ________ system. A) Venous B) Capillary C) Hematopoietic D) Arterial 36) Which of the following best describes definitive care for the trauma patient with ongoing, significant hemorrhage? A) Administration of blood or blood products B) Administration of hypertonic crystalloid or colloid solution C) Invasive hemodynamic monitoring and serial hematocrits D) Immediate surgery 37) Which of the following impairs blood clotting? A) Hypothermia B) Administration of IV fluids C) Use of nonsteroidal, anti-inflammatory medications D) All of the above 38) For which of the following mechanisms of injury should you maintain the highest index of suspicion for hemorrhagic shock? A) Ten-foot fall from a ladder B) Frontal-impact motor vehicle collision at 45 miles per hour C) Gunshot wound resulting in an open tibia fracture D) Blunt trauma to the head, resulting in a full-thickness laceration to the forehead 39) The rapid trauma exam focuses on finding injuries that may cause shock by quickly assessing which of the following body areas? 1. Head 2. Neck 3. Chest 4. Abdomen 5. Pelvis 6. Proximal extremities 7. Distal extremities A) 1, 2, 3, 4, and 5 B) 1, 4, 5, and 6 C) 1, 2, 3, 4, 5, 6, and 7 D) 3, 4, 5, and 6 40) Which of the following measures effectively controls bleeding in body cavities? A) PASG B) Administration of platelets and clotting factors C) Surgery D) Therapeutic hypotension