38 Bleeding and Soft Tissue Trauma Flashcards
Which layer of the skin acts as a protective barrier against bacterial infection and helps maintain fluid balance? A. Dermis C. Stratum corneum B. Epidermis D. Stratum granulosum
A
The outermost layer of the epidermis, composed of about 20 layers of dead skin cells, is the stratum \_\_\_\_\_. A. Spinosum C. Lucidum B. Granulosum D. Corneum
D
The body’s response to surface trauma includes vasoconstriction, coagulation, and the growth of tissue to close and seal the wound. What is the broad term for this initial response called? A. Hemostasis C. Epithelialization B. Coagulopathy D. Neovascularization
A
What characteristic best represents vasoconstriction secondary to injury?
A.
Slow but effective long-term response to trauma
B.
Rapid but temporary response to trauma
C.
Temporary measure that begins once a clot is formed
D.
Effective long-term measure to slow bleeding from injured vessels
B
What is the role of thrombin in clot formation?
A.
Activate the platelets, causing them to adhere to one another
B.
Stimulate the release of prothrombin activators
C.
Cause the conversion of platelets to prothrombin
D.
Convert fibrogen into fibrin threads to help form a blood clot
D
After an injury, how is blood flow to the injured area affected?
A.
Decreases to promote hemostasis
B.
Increases, causing further damage to already injured tissue
C.
Increases to meet the increased metabolic demands of injured tissue
D.
Decreases, causing hypoxic damage to the injured tissue
C
During the healing process of an open wound, what structures prepare the wound for healing by clearing foreign bodies and dead tissues? A. Platelets C. Macrophages B. Erythrocytes D. Epithelial cells
C
What is one difference between a hematoma and a contusion?
A.
A hematoma results in bruising, but contusions do not.
B.
A hematoma is an open injury; a contusion is a closed injury.
C.
A hematoma is a more severe injury and may result in greater blood loss than a contusion.
D.
A hematoma occurs when organs are damaged; a contusion occurs when muscle tissue is damaged.
C
Abrasions are typically:
A.
Minor injuries with a low risk for infection
B.
Painful injuries with a high risk for infection
C.
Injuries that are closed with sutures and that have a high risk for infection
D.
Injuries that are sealed with an occlusive dressing and have a low risk for infection
B
A 37-year-old female was “shot” with a high-pressure nozzle of dry-cleaning fluid. Which statement is correct regarding this injury?
A.
Definitive care to resolve this situation can be rendered in the field.
B.
Definitive care is typically amputation of the affected limb.
C.
There is a high risk of compartment syndrome after this type of trauma.
D.
Immediate subcutaneous administration of 0.01 mg/kg epinephrine (1:1000) at or near the trauma site increases the odds of saving the affected limb.
C
How is compartment syndrome best defined?
A.
Disseminated intravascular coagulopathy (DIC)
B.
Fluid shunting following the complete transection of a major artery or vein
C.
Tissue pressure rising above perfusion pressure, resulting in ischemia to the muscle
D.
Blood leaking into the interstitial tissues, which results in a relative hypovolemia
C
What mnemonic is used to recall the signs and symptoms of a major crush injury? A. The 5 Ps C. AEIOU-TIPS B. OPQRST D. DCAP-BLS
A
Which is a typical finding in a patient with compartment syndrome?
A.
Pain seemingly out of proportion to the injury
B.
Spasticity of the involved muscle groups
C.
No pain associated with passive stretching
D.
Lack of tenderness to palpation
A
With what is compartment syndrome most commonly associated? A. Tibia fracture C. Forearm fracture B. Femur fracture D. Humerus fracture
A
What is the early physiological response to hemorrhage, including vasoconstriction, formation of a platelet plug, and coagulation, called? A. Status tissue coagulation C. Hemostasis B. Hemoptysis D. Peripheral vascular orthostasis
C
What are black, “tarry” stools called? A. Hematochezia C. Melena B. Hematemesis D. Hemoptysis
C
Serious internal hemorrhage generally occurs in the chest cavity, abdominal cavity, pelvic cavity, and what other area? A. Thoracic cavity C. Gastrointestinal space B. Peritoneal cavity D. Retroperitoneal cavity
D
A 3-year-old has a bruise to his right eye. The day-care provider is concerned that this child may have been abused. She states that, although the child “bonked” his right eye on a chair 2 days earlier, he did not have the bruise yesterday, and his father was unable to produce “a suitable explanation” of the current presentation. Which statement is true regarding this child’s contusion and subsequent bruising?
A.
Bruising always occurs within 1 to 2 hours of the original injury.
B.
Bruising always occurs within 24 hours of the original injury.
C.
Bruising may be delayed by as much as 48 hours after an injury.
D.
Bruising would result only if underlying skeletal structures have been fractured.
C
A 38-year-old female has fallen onto a pitchfork. The tines of the pitchfork have left a 9-inch-long, full-thickness wound to her right leg. The wound runs laterally from just below the knee to mid-thigh.
On close inspection, paramedics discover that the wound appears to have smooth edges and no tissue flaps. With what is the description of this wound consistent? A. Avulsion C. Hematoma B. Puncture D. Incision or laceration
D
A 38-year-old female has fallen onto a pitchfork. The tines of the pitchfork have left a 9-inch-long, full-thickness wound to her right leg. The wound runs laterally from just below the knee to mid-thigh.
A large vessel appears to have been severed because the wound has dark-red blood flowing from it. What is the initial treatment for this injury? A. A venous tourniquet B. An arterial tourniquet C. Direct pressure over the wound D. Pressure to the proximal artery supplying the wound
C
A 38-year-old female has fallen onto a pitchfork. The tines of the pitchfork have left a 9-inch-long, full-thickness wound to her right leg. The wound runs laterally from just below the knee to mid-thigh.
To further reduce bleeding, what should the paramedic implement next?
A.
Apply a splint to the extremity.
B.
Massage the wound with a proximal-to-distal motion.
C.
Elevate the wound above the level of the patient’s heart.
D.
Apply a sterile dressing moistened with cold saline solution.
A
A 38-year-old female has fallen onto a pitchfork. The tines of the pitchfork have left a 9-inch-long, full-thickness wound to her right leg. The wound runs laterally from just below the knee to mid-thigh.
During the subsequent healing process, where should the paramedic anticipate hypertrophic scar formation? A. Distal end of the injury C. Proximal end of the injury B. Knee joint D. Point closest to the severed vessel
B
Which of the following treatments should not be used for severe hyperkalemia secondary to crush injuries? A. Calcium chloride C. Insulin and dextrose B. Mannitol D. Potassium chloride
D
Paramedics are dispatched to the site of a building collapse. On your arrival, first-responder personnel state that a 56-year-old female is trapped on the first floor of a three-story warehouse complex. According to the first-responders, there are “tons of building material compressing her stomach and legs.” Extrication is going to be a long and arduous process.
Which statement is true regarding this patient’s situation?
A.
Hydration with IV fluids should be avoided at all costs because it may contribute to uncontrollable hemorrhage.
B.
Once released from entrapment, this patient may rapidly deteriorate because of the release of myoglobin from damaged cells.
C.
Oxygen should be delivered judiciously via a nasal cannula because a patient like this typically depends on a hypoxic drive for respiratory stimulus.
D.
Long-term survival is closely tied to the speed at which you are able to lower the patient’s core body temperature, thus decreasing metabolism.
B