On a Standard Reticulocyte Preparation with New Methylene Blue,100 of 1000

question 13

Multiple Choice

On a standard reticulocyte preparation with new methylene blue,100 of 1000 cells that are counted contain blue-stained granulofilamentous material.The red blood count is 3.22 x 10¹²/L,and the hematocrit is 30%.Calculate the absolute reticulocyte count.

• A)0.32 x 10¹²/L
• B)3.2 x 10¹²/L
• C)32.2 x 10¹²/L
• D)0.99 x 10¹²/L

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Definitions:

Basic Physical Need

A basic physical need refers to fundamental requirements for human survival, such as food, water, shelter, and sleep.

Discriminative Stimulus

A stimulus in the presence of which a particular response is reinforced, and in the absence of which that response is not reinforced, in the context of operant conditioning.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.

Spontaneous Recovery

The reappearance of a previously extinguished conditioned response after a period of no exposure to the conditioned stimulus.