The ____ is a functional portion of the esophagus where the walls of the esophagus contract inwardly, forming a physical barrier to the reflux of stomach contents up the esophagus.
A. upper esophageal sphincter
B. lower esophageal sphincter
C. upper hypoepiglottic sphincter
D. lower hypoepiglottic sphincter
Answer: B
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The EMT exhibits an understanding of allergic reactions and anaphylaxis when she makes which one of the following statements?
A) "An allergic reaction only occurs when the patient ingests or inhales an allergen; anaphylaxis occurs when the allergen is injected." B) "Allergic reactions are caused by pollen and food; anaphylactic reactions are caused by venoms and medications." C) "Anaphylaxis is a severe allergic reaction that will lead to death without emergency care." D) "Anaphylaxis describes a severe allergic reaction that occurs the first time a person is exposed to an allergen."
Nifedipine is a type of _____ _____ blocker
Fill in the blank(s) with correct word
An established patient generally has a shorter appointment than a new patient
Indicate whether the statement is true or false
Which of the following parts of a prescription indicates the number of tablets to be dispensed?
A. Signature B. Superscription C. Subscription D. Inscription E. None of these