You are testing a sample of water from a swimming pool.  You count a plate made from a 1 ml transfer of a 10-1 dilution and it has 38 colonies on it.  Calculate the number of CFUs/ml for the swimming pool sample based on this data.

The entrance skin dose for the chest is:

Natural radiation accounts for ______ of the average annual effective dose per person in the US.

I have placed my external webcam correctly, so my image is as pictured below clearly showing my entire desk, during this exam. Important: Please present your handheld calculator to the camera at this time (if you intend to use one).

A _____________ may help diagnose small areas such as a pneumothorax. a. PA projection b. AP projection c. Apical lordotic projection d. Lateral decubitus projection

Identify at least two things to visualize before interpreting an x-ray.

An _________________ x-ray will look ______________ (color) and may cause abnormal areas to be more radiolucent.

The use of diuretics, malnutrition, alcoholism, and alkalosis can lead to a __________ in ______________.  A. Increase, Potassium B. Increase, Sodium C. Decrease, Potassium D. Decrease, Sodium

A healthy lung will appear white on an x-ray.

Calcium levels below 8.6 mg/dL or 2.15 mg/dL results in what condition?