ATLS Practice Test 3 Answers & Explanations | 2022 latest update
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Course
ATLS
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ATLS
ATLS Practice Test 3 Answers & Explanations | 2022 latest update
1. c. 21. d.
2. d. 22. a.
3. e. 23. d.
4. b. 24. e.
5. e. 25. b.
6. c. 26. b.
7. c. 27. a.
8. d. 28. d.
9. a. 29. d.
10. b. 30. e.
11. b. 31. a.
12. a. 32. b.
13. d. 33. d.
14. e. 34. a.
15. a. 35. a.
16. a. 36....
atls practice test 3 answers amp explanations | 2022 latest update 1 c 21 d 2 d 22 a 3 e 23 d 4 b 24 e 5 e 25 b 6 c 26 b 7 c 27 a 8 d 28 d 9 a 29 d 10 b 30
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ATLS Practice Test 3 Answers & Explanations | 2022 latest
update
1. c. 21. d.
2. d. 22. a.
3. e. 23. d.
4. b. 24. e.
5. e. 25. b.
6. c. 26. b.
7. c. 27. a.
8. d. 28. d.
9. a. 29. d.
10. b. 30. e.
11. b. 31. a.
12. a. 32. b.
13. d. 33. d.
14. e. 34. a.
15. a. 35. a.
16. a. 36. e.
17. d. 37. c.
18. a. 38. c.
19. d. 39. d.
20. d. 40. c.
1
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1. c.
Decreased pulse pressure, per se, is not a sign of a compromised airway. Pulse pressure
is equal to systolic blood pressure minus diastolic blood pressure. In the setting of
trauma, a decreased pulse pressure may be an indication of Class II or worse hemorrhage,
since the body attempts to compensate by increasing peripheral vascular resistance. All
of the other choices may be signs or symptoms of airway compromise.
2. d.
Restrained pregnant women have a lower risk of death, premature delivery, and fetal
death. There does not appear to be any increase in pregnancyspecific risks from the
deployment of airbags. Note: The use of a shoulder restraint in conjunction with a lap
belt reduces the likelihood of direct and indirect fetal injury, because of the greater
surface area over which the deceleration force is dissipated, as well as the prevention of
forward flexion of the mother over the gravid uterus. Also, a lap belt worn too high over
the uterus may produce uterine rupture because of the transmission of direct force to the
uterus on impact.
3. e.
Pericardiotomy is required in patients with acute cardiac tamponade. Note: Cardiac
tamponade can usually be diagnosed with the FAST exam. If a qualified surgeon is not
available, pericardiocentesis should be performed, but it is not a definitive treatment for
cardiac tamponade. Cardiac tamponade most commonly results from penetrating
injuries; however, blunt injuries also can cause it. Cardiac tamponade is indicated by the
presence of Beck’s triad: venous pressure elevation, arterial pressure decline, and muffled
heart tones. However, muffled heart tones are difficult to assess in a noisy exam area,
and distended neck veins may be absent due to hypovolemia. Additionally, tension
pneumothorax, particularly on the left side, can mimic cardiac tamponade. Kussmaul’s
sign (a rise in venous pressure with inspiration) is also a sign of tamponade, and may also
be present in constrictive pericarditis and restrictive cardiomyopathy. Kussmaul
breathing, on the other hand, is deep and labored breathing associated with severe
metabolic acidosis.
4. b.
In a neurologically intact patient, the absence of pain or tenderness along the spine
virtually excludes the presence of a significant spinal injury, provided there is no
intoxication, altered level of consciousness, or distracting injury. Note: It is possible to
2
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