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?

Using the pour plate technique, you can observe colonies growing on the surface of the agar and within the agar itself.  The colonies growing within the agar are constrained physically and appear smaller and often lens-shaped.

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?

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

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

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.

Identify at least two signs/symptoms of hyponatremia.

The standard is to take the chest x-ray on  _______________ to allow complete visualization of the lungs. a. inspiration b. a full stomach c. an empty stomach d. expiration