Why do you think the leukemias are sorted into lymphocytic and myelocytic categories?
What will be an ideal response?
There are only two progenitor cells that eventually produce all white cell types: a myeloid stem cell and a lymphoid stem cell. Mutations resulting in leukemia occur within the genes that drive the differentiation or maturation of these two cell lines.
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A patient receiving mechanical ventilatory support accidentally displaces the endotracheal tube out of the trachea. What would be the most appropriate action at this time?
a. Remove the tube and provide manual ven-tilation or oxygenation as necessary. b. Push the tube back into the trachea by moving the patient's neck up and down. c. Suction the oropharynx with a Yankauer (tonsillar) suction tip. d. Apply manual ventilation or oxygenation directly through the endotracheal tube.
Which of the following channels does the local anesthetic molecules block once inside the nerve?
a. chloride b. potassium c. fluoride d. sodium
Which of the following disorders are characteristic of pain in the back, muscle aches, and urinary frequency?
a. Benign prostatic hypertrophy b. Prostatitis c. Prostate cancer d. Testicular cancer
During two-rescuer CPR, the compression to ventilation ratio for children is
5 to 10 1 to 5 15 to 1 15 to 2