If the electrical impulse is initiated at the midpoint of the AV junction, where would you expect the P waves to appear on the ECG tracing?
A. P waves are absent entirely
B. Before the QRS complex
C. After the QRS complex
D. Within the QRS complex
Answer: D
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A 45-year-old female was evaluated by her physician because she had unexplained bruising on her upper torso. Patient history was unremarkable. Physical examination revealed a palpable liver and spleen. CBC results revealed:
WBC count: 12 x 109/L Hb: 8.7 g/dL Hct: 25% Normal indices PLT count: 5 x 109/L Differential: 80% blasts and 15% promyelocytes present Bone marrow findings: hypercellular marrow with 47% myeloblasts present. Nucleated erythroblasts: 22%; promyelocytes: 28%; megakaryopoiesis appears normal. Cytogenetic analysis: t(15, 17) present. Flow cytometry has also been ordered on this patient. Which of the following markers will stain positive in this case? a. HLA-DR b. CD35 c. CD33 d. CD8
Thiazide diuretics are NOT contraindicated in patients with:
A) diabetes B) hypertension C) severe renal disease D) a history of gout
The enzymes secreted by the small intestine that digest proteins are _______________.
Fill in the blank(s) with the appropriate word(s).
A bunion on the first metatarsal is often associated with a depressed or flattened transverse arch and a pronated foot.
Answer the following statement true (T) or false (F)