485. A 20-year-old asthmatic patient is experiencing shortness of
breath. On scene, the patient advises he has a meter-dosed inhaler in
his backpack but needs assistance in getting it. What is the mechanism
of action of albuterol via a metered-dose inhaler?
Increases alveolar blood flow
Moisturizes the lungs
Relaxes bronchial smooth muscle
Increases overall lung compliance - ✔✔ANSWER✔✔->>>>>>>>Relaxes
bronchial smooth muscle
,486. A patient has just stopped exhibiting a generalized motor seizure.
In which of the following states is the patient most likely to be?
Alert and oriented to person, place, and time
Self-resolved lack of orientation to person, place and time
Anxiety and restlessness
Unresponsiveness to painful stimuli - ✔✔ANSWER✔✔->>>>>>>>Self-
resolved lack of orientation to person, place and time
487. A 19-year-old is complaining of general malaise and shortness of
breath. She is sweaty, breathing very shallowly, and has pinpoint pupils.
Which of the following is the most likely cause of her signs and
symptoms?
Sympathomimetic overdose
Tension pneumothorax
Opioid overdose
Sedative overdose - ✔✔ANSWER✔✔->>>>>>>>Opioid overdose
488. Which of the following would be considered a serious complication
of a severe allergic reaction?
Hypertension
Respiratory distress
Urticaria
Hives - ✔✔ANSWER✔✔->>>>>>>>Respiratory distress
,489. A 30-year-old female was stung by a bee. On arrival, the patient is
complaining of steadily increasing shortness of breath and urticaria, and
feels as if her throat or tongue is swelling. Which of the following is the
most likely cause of her signs and symptoms?
Heat exhaustion
Anaphylactic shock
Asthma
Syncope - ✔✔ANSWER✔✔->>>>>>>>Anaphylactic shock
490. A 66-year-old patient complains of right upper quadrant pain and
general malaise, and has a yellowish tint to his skin and the sclera of his
eyes. Which of the following is the most likely cause of his complaints
and findings?
Pneumonia
Pancreatitis
Chronic renal failure
Hepatitis - ✔✔ANSWER✔✔->>>>>>>>Hepatitis
491. A 14-year-old male complains of lower abdominal pain. His blood
pressure is 120/80 mmHg, his pulse is 130 beats per minute,
respirations are 28 breaths per minute, and temperature is 104.8°F
(40.4°C). The pain is located in the right lower quadrant. The patient has
recent contacts with gastroenteritis.
Which of the following is the most appropriate treatment?
Do not transport, as gastroenteritis is not life-threatening
, Advise acetaminophen for fever and ask the parents to follow up with
the patient's pediatrician
Administer oxygen and transport
Advise acetaminophen for fever and reassess in fifteen minutes -
✔✔ANSWER✔✔->>>>>>>>Administer oxygen and transport
492. Which of the following is not a cause of vaginal bleeding in
pregnancy?
Ectopic pregnancy
Abruptio placentae
Preeclampsia
Spontaneous abortion - ✔✔ANSWER✔✔->>>>>>>>Preeclampsia
493. A 10-year-old male has non-traumatic epistaxis. He is visibly upset
and crying. Which of the following is the most appropriate step to
control his bleeding?
Have the patient sit leaning forward with the head tilted backward, and
apply direct pressure for at least 15 minutes
Have the patient sit leaning forward with the head tilted forward, and
apply direct pressure for at least 15 minutes
Place the patient in the supine position and apply ice over the nose
Have the patient sit leaning forward, and pack gauze into the nose -
✔✔ANSWER✔✔->>>>>>>>Have the patient sit leaning forward with the
head tilted forward, and apply direct pressure for at least 15 minutes
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