Answers 2025|2026 Verified Graded A+
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The head and the brain receive their supply of oxygenated blood from
the: - correct answer-carotid arteries
Which of the following regarding anaphylaxis is correct? - correct
answer-Anaphylaxis is characterized by airway swelling and hypotension
When administering supplemental oxygen to a hypoxemic patient with
a chronic lung disease, you should: - correct answer-adjust the flow rate
accordingly until you see symtom improvement, but be prepared to
assist his or her ventilations
Which of the following is LEAST important when obtaining a medical
history from a patient complaining pf chest discomfort? - correct
answer-Family history of hypertension
,Which of the following statements regarding hypoxic drive is correct? -
correct answer-The hypoxic drive stimulates a person to breathe on the
basis of low oxygen levels
You are dispatched to a residence for a 56-year-old with an altered
mental status. Upon arrival at the scene, the patient's wife tells you that
he complained of chest pain the day before, but would not allow her to
call EMS. The patient is semiconscious; has rapid, shallow respirations,
and has a thready pulse. You should: - correct answer-begin venilatory
asistance
An alert patient presents with a regular pattern of inhalation and
exhalation and breath sounds that are clear and equal on both sides of
the chest. These findings are consistent with: - correct answer-adequate
air exchange
Cardiac output may decrease if the heart beats too rapidly because: -
correct answer-there is not enough time in between contractions for
the heart to refill completely
,A 62-year-old man with a history of congestive heart failure presents
with severe respiratory distress and with an oxygen saturation of 82%.
When you ausculate his lungs, you hear widespread rales. He is
conscious and alert, is able to follow simple commands, and can only
speak in two-to- three word sentences at a time. You should: - correct
answer-apply a CPAP device, monitor his blood pressure, and observe
him for signs of improvement or deterioration
A 67-year-old female presents with difficulty breathing in chest
discomfort that awaken her from her sleep. She states that she has
congestive heart failure, has had two previoud heart attacks, and has
been prescribed nitroglycerin. She is conscious and alert with adequate
breathing. Her blood pressure is 94/64 mm Hg and her heart rate is 120
beats/min. Treatment for this patient includes: - correct answer-placing
her in an uprght position
You are assessing a 49-year-old man who complains of chest pressue
that began the night before. He is conscious, but anxious, and tells you
he has a history of angina and hypertension. After applying high flow
oxygen, you expose his chest to auscultate his lungs and note that he
has a nitroglycerin patch on his right upper chest. His skin is cool and
pale, his blood pressure is 78/50 mm Hg and his pulse is 110 beats/min
and irregular. You should: - correct answer-remove the nitroglycerin
, patch, place him in a supine position and elevate his lower extremities,
and prepare for immediate transport
The myocardium recieves oxygenated blood from the blank, which
originate(s) from the blank - correct answer-coronary arteries, aorta
When the level of arterial carbon dioxide rises above normal: - correct
answer-resperations increase in rate and depth
The AED has delievered a shock to an elderly man in cardiac arrest.
Following 2 minutes of CPR, you re-analyze the patients cardic rhythm
and recieve a "no shock advised" message. After futher resuscitation,
you rstore a palpable carotid pulse. Your next action should be: - correct
answer-reassess airway and breathing and treat accordingly
When documenting a patient's description of his or her chest pain or
discomfort, the EMT should: - correct answer-use the patients own
words