Nokea
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).
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You are caring for a patient with the Zika virus. The nurse understands the Zika virus is caused by which of the following?
- A. Aedes aegypti mosquitoes
- B. Blackbirds
- C. Ticks
- D. Ringworm
- E. Flu
Correct Answer: A
Rationale: Zika virus is transmitted primarily by Aedes aegypti mosquitoes.
Staphylococcus aureus is the cause of which of the following illnesses?
- A. Toxic shock syndrome
- B. Rheumatic fever
- C. Boils
- D. Necrotizing fasciitis
- E. Osteomyelitis
Correct Answer: A,C,D,E
Rationale: Staphylococcus aureus causes toxic shock syndrome, boils, necrotizing fasciitis (flesh-eating disease), and osteomyelitis (bone infection). Rheumatic fever is a complication of Streptococcus infection.
Types of pathogenic organisms include
- A. Bacteria.
- B. Viruses.
- C. Vectors.
- D. Protozoa.
- E. Fungi.
- F. Helminths.
Correct Answer: A,B,D,E,F
Rationale: Pathogenic organisms are those capable of causing disease. Bacteria, viruses, protozoa, fungi, and helminths are all types of pathogens. Vectors (e.g., mosquitoes) transmit pathogens but are not pathogens themselves.
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.
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.