Walking pneumonia is most often caused by what type of bacterium?
Mycoplasma
Corynebacterium
Streptococcus pneumonia
Aemophilus
The Correct Answer is A
A. Mycoplasma: Mycoplasma (especially Mycoplasma pneumoniae) is the usual cause of atypical or “walking” pneumonia.
B. Corynebacterium: Corynebacterium diphtheriae causes diphtheria rather than walking pneumonia.
C. Streptococcus pneumonia: Streptococcus pneumoniae commonly causes typical lobar pneumonia, often more severe than walking pneumonia.
D. Aemophilus: (Likely intended Haemophilus) Haemophilus species can cause respiratory infections but are not the classic cause of walking pneumonia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Polysaccharides: Agar is a complex polysaccharide (derived from red algae) used as a solidifying agent in microbiological media.
B. Amino acids: Amino acids are building blocks of proteins and may be components of media but are not the main constituent of agar itself.
C. phospholipids: Phospholipids form biological membranes and are not the structural component of agar.
D. sterols: Sterols (e.g., cholesterol) are membrane components in eukaryotes and are not what agar is made of.
Correct Answer is C
Explanation
A. Endospores: Endospores are resistant survival forms produced by some bacteria (e.g., Bacillus, Clostridium), not a fungal reproductive structure.
B. Cysts: Cysts are dormant/survival forms often seen in protozoa; fungi typically reproduce via spores.
C. Spores: Fungi reproduce and disperse primarily via spores (asexual and sexual types such as conidia, sporangiospores, ascospores, basidiospores).
D. Eggs: Eggs are multicellular reproductive cells of animals; fungi don’t produce eggs as their main reproductive units.
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