When swallowing food, what leaf-shaped structure prevents it from entering the respiratory tract?
A) Epiglottis
B) Vallecula
C) Pharynx
D) Larynx
A
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Which of the following is TRUE of leukotrienes?
A) They are released by B lymphocytes. B) They inhibit vascular permeability. C) They promote faster effects than histamines. D) They are known as SRS-As.
Fones believed that the dental hygienist could best serve society by practicing ________
A) In the dental hygiene school B) In the private sector C) Restorative dentistry in school clinics D) Outside the dental practice, in non-dental settings E) None of the above
Which of the following pieces of pharmacy equipment is necessary for electronic data interchange?
Scanner Transcription unit Modem Photocopier
Which of the following therapeutic measures may be performed on patients with recurrent angina or on heart failure patients who are typically not strong enough to withstand major surgery?
A. EECP B. Stent only C. CABG D. Balloon angioplasty and stent