Nokea
Rocky Mountain spotted fever is caused by
- A. Herpes varicella zoster.
- B. Rickettsia rickettsii.
- C. Escherichia coli.
- D. Staphylococcus aureus.
Correct Answer: B
Rationale: Rocky Mountain spotted fever is caused by Rickettsia rickettsii, a bacterium transmitted by ticks.
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Streptococcus type A can cause which of the following illnesses?
- A. Strep throat
- B. Ear infection
- C. Scarlet fever
- D. Gas gangrene
- E. Severe diarrhea
- F. Bloody diarrhea
- G. Heart valve damage
Correct Answer: A,C,G
Rationale: Streptococcus pyogenes (Group A Streptococcus) causes strep throat, scarlet fever, and can lead to complications like rheumatic fever, which damages heart valves. Ear infections, gas gangrene, and diarrhea are caused by other pathogens.
Which type of pathogen causes malaria?
- A. Helminths
- B. Herpes simplex
- C. Protozoans
- D. Candida albicans
Correct Answer: C
Rationale: Malaria is caused by Plasmodium, a protozoan parasite transmitted by Anopheles mosquitoes.
Match the following pathogens with their descriptions: Helminths
- A. One-celled microorganisms classified by their shapes
- B. May be made up of one or more cells; enter the human body through cuts or cracks in the skin
- C. Rod-shaped bacteria that appear in chains
- D. Type of bacteria often spread through vectors
- E. Tiny parasites that live within cells of hosts and reproduce there
- F. Parasitic worms that can inhabit the digestive tract of humans
- G. Single-celled animals that live in water and cause intestinal illnesses when ingested
Correct Answer: F
Rationale: Helminths are parasitic worms, such as tapeworms or roundworms, that often inhabit the human digestive tract.
Match the following pathogens with their descriptions: Protozoa
- A. One-celled microorganisms classified by their shapes
- B. May be made up of one or more cells; enter the human body through cuts or cracks in the skin
- C. Rod-shaped bacteria that appear in chains
- D. Type of bacteria often spread through vectors
- E. Tiny parasites that live within cells of hosts and reproduce there
- F. Parasitic worms that can inhabit the digestive tract of humans
- G. Single-celled animals that live in water and cause intestinal illnesses when ingested
Correct Answer: G
Rationale: Protozoa are single-celled organisms that can cause intestinal illnesses, such as those from contaminated water (e.g., Giardia).
When performing hand hygiene, how much soap do you need?
- A. A pea-sized amount
- B. A dime-sized amount
- C. A quarter-sized amount
- D. Three squirts
Correct Answer: C
Rationale: A quarter-sized amount of soap is recommended to ensure adequate coverage and effective cleaning during hand hygiene.