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Which of the following is a warning sign of oral cancer?

The primary purpose of a matrix band is to:

What type of pumice should be used to clean a tooth prior to sealant placement?

Greatest sealant loss occurs within first three months after placement and is due primarily to poor clinical technique.

The type of sealant that requires the use of  a catalyst and a base is:

_________________ is an allergic response to topical anesthetic which causes swelling of the mucous membranes.

A 60-year-old woman presents with complaints of fatigue and easy bruising. Her CBC showed anemia, thrombocytopenia, and an elevated white blood cell count of predominantly circulating myeloblasts. Flow cytometry confirmed an AML. While her bone marrow is being examined by cytogenetic testing, FISH testing, and gene mutation testing, a plan is made to start high intensity chemotherapy. Further peripheral blood testing revealed:    Patient Result Reference Interval Na (sodium) 140 mmol/L 132-141 mmol/L K (potassium) 4.9 mmol/L 2.7-4.9 mmol/L Cl (chloride) 96 mmol/L 94-102 mmol/L HCO3 (bicarbonate) 25 mmol/L 24-31 mmol/L BUN (blood urea nitrogen) 27 mg/dL 8-27 mg/dL SCr (serum creatinine) 1.2 mg/dL 0.6-1.8 mg/dL Alb (albumin) 4 g/dL 2.5-4.2 g/dL Ca (calcium) 10.7 mg/dL 10.7-13.4 mg/dL Phos (phosphate) 5.4 mg/dL 1.9-5.4 mg/dL UA (uric acid) 0.5 mg/dL < 0.5 mg/dL LDH (lactate dehydrogenase) 1620 mmol/L 520-1480 mmol/L  Which of the following do you order next?

A 36 year-old woman presents with a swollen left lower extremity. An ultrasound shows a left femoral vein deep vein thrombosis. You are consulted to discuss anticoagulation options with the patient who has heard about the direct oral anticoagulants (DOACs) on television. When comparing warfarin to the direct oral anticoagulants (DOACs), you should tell her:

Why is pain relief for sickle cell anemia patients often undertreated by practitioners?

A 60-year-old migrant worker from Honduras presents at the emergency room in Dallas with abdominal distension, abdominal pain, and fever. He migrated to the United States 20 years previously and had not returned home since that time. X-ray revealed a bloated colon that required surgical resection to prevent rupture. A Giemsa stain of the man’s blood is shown. How did the man acquire the infection shown in the image?