TEM vs. SEM: Key Differences Explained - Microscopy Techniques

TEM vs. SEM: Understanding the Key Differences

13. The primary difference between a TEM and SEM is

a. magnification capability b. colored versus black-and-white images c. preparation of the specimen d. type of lenses

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14. A fastidious organism must be grown on what type of medium?

a. general-purpose medium c. synthetic medium b. differential medium d. enriched medium

15. What type of medium is used to maintain and preserve specimens before clinical analysis?

a. selective medium b. transport medium c. enriched medium d. differential medium

16. Which of the following is NOT an optical microscope?

a. dark-field c. atomic force b. confocal d. fluorescent

Correct Answer: c. atomic force

Explanation:

An atomic force microscope (AFM) uses a mechanical probe to scan the surface of a material. It's not an optical microscope, as it doesn't rely on light to create images.