A Technician Is Reading Stool Culture Plates

question 12

Multiple Choice

A technician is reading stool culture plates.She sees an organism that has a large,mucoid pink colony on MacConkey (MAC) .What is a good presumptive identification of this organism?

• A) Enteric pathogen
• B) Escherichia/Citrobacter-like organism
• C) Klebsiella/Enterobacter-like organism
• D) Haemophilus influenzae

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Definitions:

Ascending Reticular Activating System

A network of neurons in the brainstem essential for regulating arousal and consciousness, influencing alertness and the sleep-wake cycle.

Physiological Arousal

The physical state of being alert, involving physiological changes like increased heart rate and adrenaline.

Afferent Fibres

Afferent fibres are nerve fibers that carry sensory information from the body's periphery towards the central nervous system.

Sleep Spindles

Sudden surges of oscillatory brain activity observed during stage 2 of non-REM sleep, associated with learning and memory consolidation.