Meningitis Can Be Caused by a Number of Microbes, and the Causative

question 48

Multiple Choice

Meningitis can be caused by a number of microbes, and the causative organism is often identified by microscopic observation of the cerebrospinal fluid.Identify the mismatch in the following list of organisms and the description of the microscopic observation.

• A)Streptococcus pneumoniae; gram-positive flattened coccus
• B)Cryptococcus neoformans; fungal cells with a thick capsule
• C)Listeria monocytogenes; gram-negative coccobacillus with flagella
• D)Enterovirus; no bacteria appear to be present in CSF
• E)Neisseria meningitidis; gram-negative diplococcus

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Definitions:

Classical Conditioning

A method of learning where, through continuous pairing, a reaction initially induced by a second stimulus comes to be provoked by the first stimulus instead.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response when the conditioned stimulus is repeatedly presented without the unconditioned stimulus.

Discrimination

Discriminatory actions or attitudes against people belonging to distinct categories, mainly due to factors like ethnicity, age, or sexual orientation.

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, famously demonstrated by Ivan Pavlov's experiments with dogs.