Test 9 (Chapters 30/31)
When establishing an IV line in a trauma patient, warm fluids at which temperature should be administered, if available? (1805)
102 F
Most external hemorrhage can be controlled with a combination of: (1829)
Direct pressure and pressure dressing
Which of the following factors directly affect cardiac output? (1822)
Stroke volume and pulse rate
Penetrating trauma occurs when: (1791)
Tissues are disrupted by single or multiple objects
The acute physiologic and structural change that occurs in a patients body when an external source of energy dissipates faster than the body's ability to sustain and deplete it is called: (1773)
Trauma
After managing an internal hemorrhage, it is important to monitor and record vital signs at least every: (1845)
5 minutes
External bleeding would be the most difficult to control in a patient with a large laceration to the: (1825)
Carotid artery
Which of the following factors influences the severity of a stab wound? (1791)
The anatomic area involved
Infants and children who experience hemorrhaging may have a normal blood pressure until they have lost what percentage of their blood volume? (1846)
50%
The initial stage of hemorrhagic shock is characterized by which of the following signs or symptoms? (1829)
Low circulating blood volume with minimal signs of hypoperfusion
The platinum 10 minutes refers to the: (1801)
Maximum time spent at a scene for a trauma patient
Trauma patients with which type of injuries are most likely to have injuries incompatible with life? (1805)
Open skull fractures
A trauma patient with suspected internal hemorrhage and inadequate breathing requires: (1843)
Ventilation assistance and rapid transport.
Secondary collisions occur when which of the following happens during a motor vehicle accident? (1778)
When an occupant inside the vehicle is hit by objects moving within the vehicle
The most critical factor determining the seriousness of a gunshot wound is: (1793)
The type of tissue through which the projectile passes
If you suspect a skull fracture, you should: (1835)
Cover the bleeding site loosely with a sterile gauze pad
Arterial bleeding may require how many minutes or more of direct pressure to form a clot? (1829)
5 minutes
Class II hypovolemic shock caused by hemorrhagic trauma would be characterized by which amount of blood loss from a patient who weighs 154 pounds? (1828)
15% to 30%
To avoid exsanguination from severe hemorrhaging of an extremity injury below the axilla or groin, a tourniquet should be applied in less than: (1835)
20 seconds
When packing a wound, you should hold firm, direct manual pressure on the wound for at least: (1842)
3 minutes
A trauma patient has a GSC score of 10, a systolic blood pressure of 100 mm Hg, and a respiratory rate of 8 breaths/min. What is their revised trauma score? (1804)
9
Children who outgrow a car seat but are too small to be restrained by seat belts designed for adults are at risk for which type of injury? (1787)
Abdominal
Which of the following types of shock is caused by poor blood vessel function? (1827)
Anaphylactic
Much of the bleeding associated with unsplinted fractures continues because: (1840)
Bone ends will continue to move and destroy partially formed clots
Upon arriving on the scene of a motor vehicle accident, you notice the vehicle has a deformed front end and cracked windshield. The patients head and face are bruised and heavily lacerated. Based on these findings, which of the following injuries would you expect? (1779)
Cervical spine injury
A patient exhibiting signs of shock has a markedly elevated respiratory rate, cold and pale skin, diminished urine output, and a thready pulse with a heart rate of 125 beats/min. This patient would be characterized as being in which class of hypovolemic shock? (1828)
Class III
The law of conservation of energy states that: (1776)
Energy can be neither created nor destroyed; it can only change form
When assessing a gunshot wound, how can you determine which wound is the exit wound? (1795)
Exit wounds are typically more ragged
Decompensated shock in the adult is characterized by: (1828)
Falling blood pressure
Which part of the body is particularly vulnerable to deceleration injuries? (1780)
Head
Which component gives red blood cells their color? (1822)
Hemoglobin
Which of the following is true of bleeding from an open vein? (1825)
It is darker red in color
If you suspect internal bleeding during the primary assessment, you should: (1830)
Keep the patient warm and administer oxygen
Which type of motor vehicle accidents have the most survivors if the driver and passenger are properly restrained? (1784)
Rear impact
You should suspect which type of injury when you see a cracked windshield, bent steering wheel, dashboard damage, intrusion into a vehicle, or an open ankle fracture after a fall? (1775)
Spinal
According to the American College of Surgeons, an injured patient should be transported to a Level 1 trauma center if their: (1806)
Systolic blood pressure is less than 90 mm Hg
During an explosion, secondary blast injuries occur when: (1796)
The patient is struck by flying debris, such as shrapnel
The most significant factor that determines how well the body compensates for blood loss is: (1825)
The period of time over which the blood is lost
Which of the following injury mechanisms would most likely result in blunt trauma? (1777)
The pressure wave caused by a blast
Which of the following injuries would most likely require transport to a level 1 trauma center? (1806)
Two or more proximal long bone fractures