D) Nitroglycerin given by the sublingual route has a rapid onset of action, but a low bioavailability
151. All of the following medications possess antiemetic properties, EXCEPT: A) ondansetron. B) dolasetron. C) famotidine. D) prochlorperazine.
C) famotidine.
22. The ability of a medication to initiate or alter cell activity in a therapeutic or desired manner is referred to as: A) potency. B) efficacy. C) affinity. D) the threshold level.
B) efficacy.
154. What classification of medication is ketorolac (Toradol)? A) Opioid analgesic B) Corticosteroid anti-inflammatory C) Histamine-1 receptor antagonist D) Non-steroidal anti-inflammatory
D) Non-steroidal anti-inflammatory
66. All of the following are common sites for emergency IO cannulation, EXCEPT the: A) proximal humerus. B) iliac crest. C) proximal tibia. D) manubrium.
B) iliac crest.
53. Which of the following factors would have the LEAST influence on the duration and effectiveness of a medication? A) Dose administered B) Patient's dietary habits C) Route of administration D) Patient's clinical status
B) Patient’s dietary habits
133. A unit of packed red blood cells contains approximately \_\_\_\_\_ to \_\_\_\_\_ mL of concentrated red blood cells. A) 125, 200 B) 225, 250 C) 250, 500 D) 500, 725
B) 225, 250
70. Medications commonly administered via a nebulizer include all of the following, EXCEPT: A) albuterol. B) lidocaine. C) Xopenex. D) Racemic epinephrine.
B) lidocaine.
A) is used for a purpose not approved by the FDA, at doses different from the recommended doses, or by a route of administration not approved by the FDA.
6. Metoprolol has the brand name \_\_\_\_\_\_\_\_\_\_\_\_\_, which may be a subtle reference to lowering the blood pressure. A) Cordarone B) Lopressor C) Vasotec D) Norpramin
B) Lopressor
B) The rate of elimination is directly influenced by the plasma levels of the substance.
D) In general, the rate of administration of PRBCs should be proportional to the rate of blood cell loss.
B) blocking the conversion of angiotensin I to angiotensin II.
137. The paramedic may be called upon to administer platelets to patients with: A) thrombocytopenia. B) hemolytic anemia. C) a low hematocrit. D) hypercoagulopathy.
A) thrombocytopenia.
152. IV calcium is routinely used to treat: A) cardiopulmonary arrest. B) magnesium sulfate toxicity. C) sulfuric acid exposure. D) beta-blocker overdose.
B) magnesium sulfate toxicity.
C) has a rapid onset of action, a longer (up to 60 minutes) duration of action, and fewer adverse effects.
113. Acetylcholinesterase is an enzyme that: A) decreases the heart rate. B) slows cardiac conduction. C) breaks down acetylcholine. D) promotes acetylcholine secretion.
C) breaks down acetylcholine.
D) rectal medications are usually not subject to first-pass metabolism.
57. Medication X is given to increase the effects of medication Y, which provides more relief than if medication Y were given alone. This is an example of: A) synergism. B) summation. C) potentiation. D) antagonism.
C) potentiation
C) High doses of a benzodiazepine may be needed to maintain a patient’s blood pressure.
A) can increase cardiac workload and myocardial oxygen demand.
74. The process that the cells of large medication molecules use to ingest intracellular fluids and their contents is called: A) osmosis. B) filtration. C) pinocytosis. D) phagocytosis.
C) pinocytosis.
85. All of the following medications are used to reduce a patient's heart rate and blood pressure, EXCEPT: A) lorazepam. B) diltiazem. C) metoprolol. D) Tenormin.
A) lorazepam.
D) decreased myocardial contractility.