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32. What is the primary purpose of the CPR coach on a resuscitation
team?--- correct answer --- -
improve cpr quality
33. How can the CPR coach improve CPR quality in a resuscitation
event?--- correct answer --- -
coach to midrange targets
34. Which high performance team member has the responsibility for
assigning roles (positions)?--- correct answer --- team leader
35. What element of team dynamics describes when a team member
needs to correct actions?--- correct answer --- constructive
intervention
36. Which of the following describe how to communicate?--- correct
answer --- closed-loop commu- nications
clear messaging
37. Which resuscitation strategy will result in an improved chest
compression fraction?--- correct answer --- hovering over the chest
during compression pauses
,38. What is one way to increase chest compression fraction during a
code?--- correct answer --- -
Charging the defibrillator 15 seconds before a rhythm check
39. A chest compression fraction of at least is recommended, and
a goal of is often achievable with good teamwork--- correct
answer --- 60%
80%
40. What is chest compression fraction?--- correct answer ---
proportion of time that compressions are performed
41. For an unwitnessed cardiac arrest, what should you do after
determining unresponsiveness and there is no breathing or pulse?---
correct answer --- perform high-quality CPR for 2 mins
42. What is the definition of oxygen saturation?--- correct answer --
- the amount of oxygen bound to hemoglobin
43. Children develop hypoxemia and tissue hypoxia more quickly
than adults because of their?--- correct answer --- higher metabolic
rate
44. In infants and toddlers, the young and epiglottis, relative to
those of an adult are --- correct answer --- large
45. How can normal spontaneous breathing be characterized?---
correct answer --- quiet unlabored inspiration
46. Increased WOB can be associated with airway resistance
and/or
, lung compliance.--- correct answer --- increased decreased
47. What happens when airway resistance increases?--- correct
answer --- WOB increases
48. Which of the following describes laminar or normal airflow?---
correct answer --- low airway resistance and a small driving pressure
49. what is the role of the diaphragm contraction during normal
breathing in infants?--- correct answer --- pulls the ribs slightly
inward
50. which is a characteristic of muscle weakness?--- correct answer
--- seesaw breathing
51. Which of the following is true about airway resistance?---
correct answer --- when airway resis- tance increases, work of
breathing increases
52. During spontaneous breathing, what are the inspiratory muscles
attempt- ing to do?--- correct answer --- increase intrathoracic
volume
53. Which of these factors can override brainstem control of
breathing in an infant?--- correct answer --- breath holding
54. what do central chemoreceptors respond to?--- correct answer --
- hydrogen ions in the cere- brospinal fluid
55. why may excessive ventilation during CPR be harmful?--- correct
answer --- - it increases in- trathoracic pressure
- it impedes venous return