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HCl (hydrochloric acid) is an acid because …

A blood sample from a 90-year-old man was submitted to the blood bank for a type and screen before surgery. The forward type demonstrates as a group A, whereas the reverse type appears to be group AB. The most likely cause of the discrepancy is:

Cold autoantibodies are typically of which specificity?

This nucleotide-derived molecule serves as an important intracellular messenger. Type your answer into the blank below:

Nitroglycerin (a nitrate) is useful in ischemic heart disease. Which of the following statements is true regarding nitroglycerin?

Some diseases produce another diseases or condition that the patient would not have without the underlying disease. The second disease (what the original disease produced) is considered what?

ICD-10-CM has two types of excludes notes. Which of the following indicates that the conditions listed after the note cannot ever be used at the same time as the code identified?

Which of the following assessment techniques is an acceptable method to assess for suspected volume depletion in a bedridden patient?

What is the appropriate abbreviation that appears in the Alphabetic Index and Tabular List that is equivalent to the term “unspecified.”  

While calculating a GCS, you notice a motor response with hyperextension of the neck and stiff, extended extremities. What would you rate it?