110.  What is the most common cause of acute kidney injury in hospitalized patients?

125. What is the most common presenting symptom of postural orthostatic tachycardia syndrome (POTS)?

123.  Which conduction abnormality is characterized by progressively lengthening PR interval followed by a dropped beat?

117. Which antibiotic is most appropriate for initial treatment of MRSA pneumonia?

111.  A 78-year-old woman is admitted to the ICU from a nursing facility with altered mental status, vomiting, and hypotension. Serum sodium level is 161 mEq/L (normal range 135-145 mEq/L). Blood pressure is 78/46 mm Hg. Which of the following is the most appropriate initial fluid for this patient?

A client with suicidal ideations says to the nurse, “There’s nothing to live for anymore.” Which is the most appropriate nursing reply?

A wife brings her husband to an emergency department (ED) after a suicide attempt by hanging. He is a full-time student and works 8 hours at night to support his family. He states, “I can’t keep doing this any longer. It is all too much.” Which type of crisis is the client experiencing?

Which nursing statements or questions represent the most appropriate communication to assess an individual in crisis? (Select 3 that apply.)

FORMULAS  

You work in a research lab. You are studying a bacteria that when exposed to a toxic small molecule “A”, the growth is inhibited for some time (30 – 60 min), and then the bacteria gets adapted to it (responds to the presence of the toxin) and grow again. This may be an example of gene regulation based on the exposure to the toxic small molecule “A”. Propose in some details a mechanism of action for this response to “A”.