What type of incision is made for excisional biopsy of a centrally located breast mass involving the lactiferous ducts?
a. circumareolar
b. elliptical
c. inframammary
d. paramedian
a
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In _____, at least three different shapes of P waves can be observed on an EKG tracing
a. sinus dysrhythmia b. premature atrial contraction c. wandering atrial pacemaker d. wandering sinus pacemaker
A bone marrow aspirate is performed for staging purposes on a patient with Hodgkin lymphoma. The results come back positive for infiltration by Reed Sternberg cells. This means that the patient is:
a. In the early stages of the disease. b. In the late stages of the disease. c. Converting to non-Hodgkin lymphoma. d. Entering remission.
Why is the helical configuration of DNA important?
a. Permits purines and pyrimidines to bond b. Permits transcription of DNA by RNA polymerase c. Stabilizes the molecular structure d. Prevents occurrence of protein structural abnormalities (e.g., point mutations, translocations)
Croup is an infection of the middle ear caused by cold, allergies, or other respiratory infections.
Answer the following statement true (T) or false (F)