Ch 25 emt

7. Significant vital sign changes will occur if the typical adult acutely loses more than ______ of his or her total blood volume.

20%

11. Which of the following statements regarding hemophilia is correct?

Patients with hemophilia may bleed spontaneously.

14. Following blunt trauma to the abdomen, a 21-year-old female complains of left upper quadrant abdominal pain with referred pain to the left shoulder. Your assessment reveals that her abdomen is distended and tender to palpation. On the basis of these findings, you should be MOST suspicious of injury to the

Spleen.

18. Which of the following splinting devices would be MOST appropriate to use for a patient who has an open fracture of the forearm with external bleeding?

air splint

16. Most cases of external bleeding from an extremity can be controlled by

applying local direct pressure.

3. The smaller vessels that carry blood away from the heart and connect the arteries to the capillaries are called the

arterioles.

5. Perfusion is MOST accurately defined as the

circulation of blood within an organ in adequate amounts to meet the body's metabolic needs.

10. In which of the following situations would external bleeding be the MOST difficult to control?

femoral artery laceration and a blood pressure of 140/90 mm Hg

15. A 39-year-old male sustained a large laceration to his leg during an accident with a chainsaw and is experiencing signs and symptoms of shock. You should

follow appropriate standard precautions.

13. A 67-year-old male presents with weakness, dizziness, and melena that began approximately 2 days ago. He denies a history of trauma. His blood pressure is 90/50 mm Hg and his pulse is 120 beats/min and thready. You should be MOST suspicious that this patient is experiencing

gastrointestinal bleeding.

8. The ability of a person's cardiovascular system to compensate for blood loss is MOST related to

how rapidly he or she bleeds.

19. Bleeding from the nose following head trauma

is a sign of a skull fracture and should not be stopped.

2. The systemic veins function by

returning deoxygenated blood back to the heart.

4. Hypoperfusion is another name for

shock.

6. Which of the following organs can tolerate inadequate perfusion for up to 2 hours?

skeletal muscle

9. Hypovolemic shock occurs when

the body cannot compensate for rapid blood loss.

1. Which of the following body systems or components is the LEAST critical for supplying and maintaining adequate blood flow to the body?

the filtering of blood cells in the spleen

17. If direct pressure with a sterile dressing fails to immediately stop severe bleeding from an extremity, you should apply

tourniquet proximal to the injury.

12. In older patients, the first indicator of nontraumatic internal bleeding may be

weakness or dizziness.