A gene involved in regulating the growth of myeloid cells is hypermethylated, resulting in a block in transcription. This is an example of malignancy as a result of:

Hepatitis A and E are spread primarily through:

A) contaminated fecal material. B) contaminated blood/body fluid. C) direct contact with nonintact skin. D) sexual transmission.

If the patient's oxygen saturation drops at any point during rapid-sequence intubation, you should:

A) stop and hyperventilate the patient at a rate of 24 breaths/min. B) abort the intubation attempt and ventilate with a bag-mask device. C) apply posterior cricoid pressure and continue the intubation attempt. D) continue the intubation attempt and monitor the cardiac rhythm closely.