Which of the following structures closes over the trachea to protect it during swallowing?
A) Epiglottis B) Diaphragm C) Pharynx D) Cricoid cartilage
A
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A 52-year-old man presents with an ulcer in the floor of his mouth of 8 weeks' duration. The lesion measures 1 x 2 cm, is indurated, and is slightly uncomfortable for the patient. What should the clinician do at this point in time?
a. Observe for 2 more weeks. b. Treat patient with prednisone. c. Treat patient with nystatin. d. Have direct immunofluorescence test done. e. Perform a biopsy.
A laboratory measurement that is less than the detection limit should be reported as which of the following?
A) Actual concentration value given by the analyzer or as calculated by the operator B) Greater than the detection limit value C) Zero D) Less than the detection limit value
A neonatal patient has PPHN. What may develop as a consequence of this?
a. Cardiomegaly b. Pulmonary embolism c. Mucosal edema d. Cardiac tamponade
Balloon angioplasty performed in the cardiac catheterization lab is used to treat:
a. atherosclerotic thickening b. stenotic dissection c. venous insufficiency d. valvular regurgitation