Textbook Question
Name the disease shown in each photo.
a. <IMAGE>
b. <IMAGE>
c. <IMAGE>
d. <IMAGE>
e. <IMAGE>
f. <IMAGE>
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Ch. 24 - Pathogenic DNA Viruses
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302
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Table of contents
- Ch. 1 - A Brief History of Microbiology31
- Ch. 2 - The Chemistry of Microbiology28
- Ch. 3 - Cell Structure and Function39
- Ch. 4 - Microscopy, Staining, and Classification25
- Ch. 5 - Microbial Metabolism51
- Ch. 6 - Microbial Nutrition and Growth37
- Ch. 7 - Microbial Genetics51
- Ch. 8 - Recombinant DNA Technology21
- Ch. 9 - Controlling Microbial Growth in the Environment36
- Ch. 10 - Controlling Microbial Growth in the Body: Antimicrobial Drugs21
- Ch. 11 - Characterizing and Classifying Prokaryotes29
- Ch. 12 - Characterizing and Classifying Eukaryotes34
- Ch. 13 - Characterizing and Classifying Viruses, Viroids, and Prions23
- Ch. 14 - Infection, Infectious Diseases, and Epidemiology35
- Ch. 15 - Innate Immunity34
- Ch. 16 - Adaptive Immunity21
- Ch. 17 - Immunization and Immune Testing29
- Ch. 18 - Immune Disorders22
- Ch. 19 - Pathogenic Gram-Positive Bacteria25
- Ch. 20 - Pathogenic Gram-Negative Cocci and Bacilli28
- Ch. 21 - Rickettsias, Chlamydias, Spirochetes, and Vibrios25
- Ch. 22 - Pathogenic Fungi47
- Ch. 23 - Parasitic Protozoa, Helminths, and Arthropod Vectors44
- Ch. 24 - Pathogenic DNA Viruses23
- Ch. 25 - Pathogenic RNA Viruses30
- Ch. 26 - Applied and Industrial Microbiology29
- Ch. 27 - Microbial Ecology and Microbiomes22
Bauman6th EditionMicrobiology with Diseases by TaxonomyISBN: 9780134832302Not the one you use?Change textbook
Chapter 24, Problem 1
The Smith family seems to get fever blisters regularly. Suggest an explanation for this observation.
Verified step by step guidance1
Understand that fever blisters, also known as cold sores, are caused by the herpes simplex virus (HSV), most commonly HSV type 1.
Recognize that after the initial infection, HSV remains latent in the nerve cells and can reactivate periodically, causing recurrent fever blisters.
Consider that the Smith family members may have been exposed to the virus and carry it in a latent form, which can be triggered by factors such as stress, illness, or immune suppression.
Explain that the regular occurrence of fever blisters in the family suggests that the virus is reactivating frequently, possibly due to shared environmental or genetic factors that influence susceptibility or immune response.
Summarize that the explanation involves the nature of HSV latency and reactivation, which leads to recurrent fever blisters in individuals who carry the virus.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Herpes Simplex Virus (HSV) Latency and Reactivation
Fever blisters are caused by the herpes simplex virus, which can remain dormant in nerve cells after the initial infection. Periodically, the virus reactivates due to triggers like stress or illness, causing recurrent outbreaks of blisters.
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Immune System Response to Viral Infections
The immune system controls but does not eliminate HSV, allowing the virus to persist lifelong. Variations in immune strength or genetic factors can influence how frequently the virus reactivates and causes symptoms.
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Transmission and Genetic Susceptibility
HSV is highly contagious and often spreads within families through close contact. Genetic predisposition may affect susceptibility to frequent outbreaks, explaining why some families experience recurrent fever blisters more often.
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Related Practice
Textbook Question
Label the successive stages of skin lesions as exemplified by smallpox.
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Textbook Question
If the envelope of a particular virus were unstable outside the host's body, which of the following statements would you expect to be true concerning this virus?
a. It would be a dsRNA virus.
b. It would be transmitted by intimate contact.
c. Touching a doorknob would easily transmit it.
d. That virus would eventually cease to be a threat to the population.
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Textbook Question
You have been given a large grant to do postgraduate research on live smallpox viruses. Where in the world would you find samples?
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Textbook Question
For which of the following reasons are most animal poxviruses unable to infect humans?
a. Affected animals are not in frequent contact with humans.
b. The human immune system makes it impossible for the foreign viral particles to
reproduce effectively.
c. Attachment to human cells is unlikely.
d. Human cells lack the necessary enzymes for infection.
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Textbook Question
Identify the viral family causing or implicated in each of the following diseases. A viral family name may be used more than once.
1. ____ Chickenpox
2. ____ Smallpox
3. ____ Cowpox
4. ____ Molluscum contagiosum
5. ____ HHV-1 infection
6. ____ Whitlow
7. ____ Shingles
8. ____ Burkitt's lymphoma
9. ____ Infectious mononucleosis
10. ____ Chronic fatigue syndrome
11. ____ Cytomegalovirus infection
12. ____ Genital warts
13. ____ Roseola
14. ____ Plantar warts
15. ____ Progressive multifocal leukoencephalopathy
16. ____ Common cold
17. ____ Hepatitis B
18. ____ Fifth disease
A. Poxviridae
B. Herpesviridae
C. Papillomaviridae
D. Adenoviridae
E. Hepadnaviridae
F. Parvoviridae
G. Polyomaviridae
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