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Ch. 17 - Skin and Eye Infections
Norman-McKay- Microbiology: Basic and Clinical Principles 2nd Edition
Norman-McKay2nd EditionMicrobiology: Basic and Clinical PrinciplesISBN: 9780137661619당신이 사용하는 게 아니라요?교과서 변경
13장, 문제 20

Concept Mapping:
Using the following terms, create a concept map to organize and review microbial diseases of the eyes.


- Acanthamoeba
- Adenoviruses
- Aspergillus
- Candida
- Chlamydia trachomatis
- Flies, fomites, fingers
- Fusarium
- Haemophilus influenzae
- Herpes simplex 1 virus
- Keratitis
- Moraxella
- River blindness
- Scarring of eyelid
- Staphylococcus species
- Streptococcus species
- Turning of lashes and further scarring

검증된 단계별 안내
1
Step 1: Begin by identifying the main categories related to microbial diseases of the eyes. These typically include types of pathogens (such as bacteria, viruses, fungi, protozoa), modes of transmission, clinical manifestations, and complications.
Step 2: Group the given terms into these categories. For example, classify Acanthamoeba, Aspergillus, Candida, and Fusarium as causative agents under protozoa and fungi; Chlamydia trachomatis, Haemophilus influenzae, Moraxella, Staphylococcus, and Streptococcus as bacterial pathogens; Adenoviruses and Herpes simplex 1 virus as viral agents.
Step 3: Connect the modes of transmission such as 'Flies, fomites, fingers' to the relevant pathogens or diseases they help spread. For example, flies and fomites can transmit Chlamydia trachomatis leading to trachoma, which causes scarring of the eyelid and turning of lashes.
Step 4: Link clinical conditions like 'Keratitis' and 'River blindness' to their causative agents. For instance, keratitis can be caused by Acanthamoeba, fungi like Fusarium and Aspergillus, or viruses such as Herpes simplex 1 virus. River blindness is caused by a parasitic worm but is related here as a disease causing eye damage and scarring.
Step 5: Finally, illustrate the complications such as 'Scarring of eyelid' and 'Turning of lashes and further scarring' as outcomes of chronic infections like trachoma caused by Chlamydia trachomatis. This completes the concept map by showing relationships between pathogens, transmission, diseases, and complications.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Microbial Agents Causing Eye Infections

Various microorganisms such as bacteria (e.g., Staphylococcus, Streptococcus, Haemophilus influenzae), fungi (e.g., Aspergillus, Candida, Fusarium), protozoa (e.g., Acanthamoeba), and viruses (e.g., Adenoviruses, Herpes simplex 1) can infect the eye. Understanding their characteristics helps identify the type of infection and appropriate treatment.
추천 영상:
02:48
Prions

Modes of Transmission and Risk Factors

Eye infections can spread through direct contact with contaminated fingers, fomites (inanimate objects), or vectors like flies. Recognizing these transmission routes is essential for prevention and controlling outbreaks of microbial eye diseases.
추천 영상:
01:55
Growth Factors

Clinical Manifestations and Complications of Eye Infections

Symptoms such as keratitis (corneal inflammation), scarring of the eyelid, turning of lashes, and conditions like river blindness reflect the impact of infections. Understanding these signs aids in diagnosis and highlights the potential for long-term damage if untreated.
추천 영상:
04:09
Productive vs. Latent State Infections
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교과서 질문

Your patient is reminiscing about her childhood diseases while reviewing her medical history. She claims she had a really bad case of rubella (German measles) when she was a child and that she was very sick. You think she is confusing it with rubeola (measles) because:

a. measles can cause congenital rubella syndrome.

b. German measles causes a mild rash and is not likely to make a patient very sick.

c. the largest concern is for secondary infections like pneumonia.

d. she didn’t mention Koplik’s spots in the mouth or raised lesions.

e. the raised red rash usually begins on the trunk and spreads from there.

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교과서 질문

A child comes into your clinic with impetigo. The lab cultures a sample for further analysis. If the sample is S. aureus, which lab results would you expect?

a. Gram-positive cocci in clusters, catalase and coagulase positive

b. Gram-negative diplococci, catalase positive, and coagulase negative

c. Gram-positive cocci in clusters, catalase negative, and coagulase positive

d. Gram-positive cocci in chains, catalase positive, and coagulase negative

e. Gram-positive cocci in chains, catalase negative, and coagulase positive

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교과서 질문

A 65-year-old patient calls the nursing hotline to ask about some painful blisters arranged in a band on one side of his waist. After hearing about the lesions, you ask him if he had chickenpox as a child. This is because you feel you are hearing about a case of:

a. candidiasis.

b. measles.

c. herpes.

d. shingles.

e. rubella.

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