cultures and smear quiz

Lydia needs to perform a wound culture on her patient, Mrs. Price. Before swabbing the wound, Mrs. Price asks Lydia if the procedure will hurt. How should Lydia respond?

"The procedure may cause momentary discomfort."

What is the magnification level of the ocular on a compound microscope?

10x

What is the gelatin-like substance that is used to grow microorganisms in a culture?

Agar

Which area of the throat should you swab during a throat culture?

Areas that are raw or swollen

Which of the following is NOT true? Cultures and smears are CLIA-waived tests and can be analyzed by an assistant. Specimens for cultures and smears are taken from the site that appears infected. Cultures and smears are used to determine the cause of a disease. Assistants are often responsible for collecting specimens for smears and cultures.

Cultures and smears are CLIA-waived tests and can be analyzed by an assistant.

Which of the following is TRUE of wound cultures?

It is used to identify microorganisms when the skin shows signs of infection.

What is mucus that forms in the bronchial tubes during a respiratory infection?

Sputum

What is the mixture of specimen and saline called?

Suspension

When is the wet-mount or hanging-drop slide preparation used?

When microorganisms must be alive

When is acid-fast staining used?

When the microorganisms are resistant to Gram's stain

What tool is usually used to perform a throat culture?

culturette

What is the eyepiece of a microscope called?

ocular

After completing the Gram's stain, what color should Gram-negative bacteria be?

pink