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Common Laboratory Apparatus (Microbiology and Parasitology)

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Common Laboratory Apparatus (Microbiology and Parasitology)

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Questions and Answers

What is the primary purpose of an inoculating loop?

To take microbiological cultures from an infected area
To inoculate living microorganisms into a sample
To hold objects for examination under a microscope
To transfer a small sample of microorganisms from a culture (correct)

What is the primary purpose of an inoculating needle?

To hold objects for examination under a microscope
To take microbiological cultures from an infected area
To transfer a small sample of microorganisms from a culture
To transfer and inoculate living microorganisms (correct)

What is the primary purpose of a glass slide?

To transfer a small sample of microorganisms from a culture
To take microbiological cultures from an infected area
To transfer and inoculate living microorganisms
To hold objects for examination under a microscope (correct)

What is the primary purpose of a cover slip?

To hold the specimen in place and protect it from contamination (D) Signup and view all the answers

What is the primary purpose of a Petri dish?

To culture different microorganisms, like bacteria and molds (D) Signup and view all the answers

What is the primary purpose of cotton swabs?

To take microbiological cultures and DNA samples (B) Signup and view all the answers

What is the primary function of the oil immersion objective (OIO) in a compound microscope?

To increase the resolving power by reducing light refraction (B) Signup and view all the answers

What is the primary function of the stage clips in a compound microscope?

To hold the glass slide in place on the stage (C) Signup and view all the answers

Which part of the compound microscope connects the eyepiece to the objective lenses?

The body tube (B) Signup and view all the answers

What is the primary function of the iris diaphragm in a compound microscope?

To control the amount of light reaching the specimen (A) Signup and view all the answers

Which part of the compound microscope is used to sharpen focus, especially at higher magnification?

The fine adjustment knob (C) Signup and view all the answers

What is the primary function of the low powered objective (LPO) in a compound microscope?

To cover a wide field of view for examining large specimens (D) Signup and view all the answers