Which term is used to describe the stain of bacteria?
1. Aerobic
2. Cocci
3. Gram-positive
4. Bacillus
Correct Answer: 3
Rationale 1: Aerobic describes the ability of the bacteria to use oxygen.
Rationale 2: Bacillus (rod), cocci (spherical), and spirilla (spirals) describe the shape of bacteria.
Rationale 3: The stain can be gram-positive or gram-negative.
Rationale 4: Bacillus (rod), cocci (spherical), and spirilla (spirals) describe the shape of bacteria.
Global Rationale: The stain can be gram-positive or gram-negative. Aerobic describes the ability of the bacteria to use oxygen. Bacillus (rod), cocci (spherical), and spirilla (spirals) describe the shape of bacteria.
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