During the early morning hours, customers arrive at a branch post office at an average rate of 45 per hour (Poisson), while clerks can handle transactions in an average time (exponential) of four minutes each. If clerk cost is $30 per hour and customer waiting time represents a “cost” of $20 per hour, how many clerks can be justified on a cost basis?

Buying food at a large food store with multiple checkout counters features which type of queuing system line structure?

Which instruction given by an EMT indicates the proper administration of nitroglycerin?

Which condition results in buildup of plaque and fatty deposits and results in the partial or total occlusion of a coronary artery?

Your patient is 45-year-old female that is found lying on the ground. She has a pulse and is breathing adequately. When you assess her level of consciousness, you find that her eyes are closed and she appears to be sleeping. However, she will open her eyes and look at you when you talk loudly to her and say “wake up”. Using the AVPU scale, what would her level of consciousness be?

Which term best describes the condition of inadequate oxygen delivery to the cells of the body?

When determining a patient’s mental status and orientation, the patient is generally assessed for orientation to which four areas?

You respond to a “sick person” to find a 36-year-old female complaining of severe weakness. The patient states that she has been sick for several days and has been running a fever. Her BP is 90/64, Pulse is 120 weak and thready; Respirations are 26 and shallow. Skin is cool and moist. The patient has a body temperature of 104.7 degrees. Which type of shock should you suspect?

During which stage of shock does the blood pressure begin to drastically fall?

Which of the following set of symptoms would MOST be consistent with the presentation of neurogenic shock?