and Answers.
Which intervention or interventions would have the MOST positive impact on the cardiac
arrest patient's outcome? - Correct Answer Early CPR and defibrillation
The AED gives "no shock" message to a patient who is in cardiac arrest. You should: -
Correct Answer Resume chest compressions
What is the maximum amount of time that should be spent checking for spontaneous
breathing in an unresponsive child? - Correct Answer 10 seconds
When performing CPR on an adult, you should compress the chest to a depth of ___ at a
rate of ___. - Correct Answer 2.0-2.4 in, 100-150BPM
What is the appropriate compression to ventilation ratio for adult two-rescuer CPR? -
Correct Answer 30:2
When checking for a pulse in an infant, which artery should you palpate? - Correct Answer
Brachial
When performing CPR on an adult or child, you should reassess the patient for return of
respirations/circulation every ____ minutes. - Correct Answer 2
What is the preferred method of removing a foreign body in an unresponsive child? -
Correct Answer Chest compressions
Cardiogenic shock is caused by: - Correct Answer Inadequate function of the heart
muscle
Pericardial effusion - Correct Answer Collection of fluid between the pericardial sac and
the myocardium
Cardiac tamponade - Correct Answer Occurs when blood leaks into the space between
the pericardium and the pericardial sac
, Signs and symptoms of cardiac tamponade: - Correct Answer Beck triad: the presence of
jugular vein distention, muffled heart sounds, and a narrowing pulse pressure where the
systolic and diastolic blood pressures start to merge.
Signs of cardiogenic shock: - Correct Answer -Skin may be cool, clammy, and ashen
-High BP
-Rapid, shallow breathing
-Weak, irregular pulse
-Anxiety, nausea
You arrive on scene to find a conscious 58YOF sitting up and reporting severe chest pain
and SOB. She is anxious and "feels like she's going to die." Her skin is pale, cool, and
clammy and her pulse is rapid, weak, and irregular. Her breathing is labored, with a RR of
28 breaths/min. Her SpO2 is 90%. Lung sounds show crackles in all fields, and BP is
92/60 mmHg. What is your differential diagnosis of the patient? - Correct Answer
Cardiogenic shock
The heart is divided down the middle into left and right sides by the: - Correct Answer
Septum
Which chamber of the heart receives incoming unoxygenated blood? - Correct Answer
Atrium
Which chamber of the heart pumps oxygenated blood? - Correct Answer Ventricles
Normal electrical impulses begin in the: - Correct Answer Sinoatrial (SA) node
What characteristic allows a cardiac muscle cells to contract spontaneously without an
external stimulus? - Correct Answer Automaticity
The sympathetic nervous system acts on the body by: - Correct Answer -increasing HR
and RR
-constricting blood vessels in the muscles
The parasympathetic nervous system acts on the body by: - Correct Answer (directly
opposes the sympathetic NS)