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You are observing the results from a standard plate count and you observe 53 colonies (CFUs).  You transferred 1 ml of a 10-4 dilution.  How many CFUs would be present in 10 ml of the original culture?

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.

A key reason to heat-fix bacterial smears before staining is to enhance the permeability of the bacterial cells to dyes. 

The safety standards for swimming pools state that the water cannot contain more 200 cells/ml.  Based on your calculations in the prior question, it is safe to go for a swim in the pool

You are observing the results from a standard plate count and you observe 53 colonies (CFUs).  You transferred 1 ml of a 10-4 dilution.  How many CFUs would be present in 0.2 ml of the original culture?

The heart should not exceed _____ of the size of the lung fields on a chest x-ray.

Match Brand or generic from the left side with generic or Brand from the right side. 

Below is a system of linear equations. (A) Write the coefficient matrix corresponding to the system. (B) Write the augmented matrix corresponding to the system.

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).

If fluid invades the pleural space/diaphragm, the space will appear _________________ in shape.