When a patient with heart failure lies down fluid returns to the pulmonary capillaries, decreasing the patient's ability to diffuse gases, which is known as ____________________.
Fill in the blank(s) with the appropriate word(s).
orthopnea
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A series circuit contains a total resistance of 100. If the circuit has three resistors and one of the resistors is 40 , what is the combined resistance of the last two resistors?
a. 60 c. 140 b. 2.5 d. 0.04
Which of the following may be used in the treatment of symptomatic paroxysmal supraventricular tachycardia (PSVT)?
A) Lidocaine B) Defibrillation C) Epinephrine D) Valsalva maneuvers
Use the drug label to identify specific drug information in the questions that follow. 
What is the dosage strength?
What will be an ideal response?
A 41-year-old man was assaulted during a robbery attempt. Your primary assessment reveals that the patient is semiconscious. He has massive soft-tissue trauma to the face, inadequate breathing, and oropharyngeal bleeding. You should:
A) apply direct pressure to his facial wounds and promptly intubate him. B) suction the blood from his mouth and assist ventilations with a bag-mask device. C) insert a nasal airway, apply oxygen via nonrebreathing mask, and transport. D) suction his oropharynx for 30 seconds and then perform endotracheal intubation.