Microbiology Chapters 14, 15, 16-bideshi(Virology)

1. Human Herpesvirus6 It causes roceola infantum. *high fever *subsequent red rash

True

False

Human Herpesvirus 6 is a virus that can cause a condition called roseola infantum. This condition is characterized by a high fever followed by a red rash. Therefore, the statement that Human Herpesvirus 6 causes roseola infantum, with the symptoms of high fever and subsequent red rash, is true.

Explanation

Human Herpesvirus 6 is a virus that can cause a condition called roseola infantum. This condition is characterized by a high fever followed by a red rash. Therefore, the statement that Human Herpesvirus 6 causes roseola infantum, with the symptoms of high fever and subsequent red rash, is true.

2. E6 interacts with p53 in the host cell and promotes it's degradation via the ubiquitin dependent pathway.

True

False

The statement is true because E6, a viral protein, interacts with p53, a tumor suppressor protein, in the host cell. This interaction leads to the degradation of p53 through the ubiquitin-dependent pathway.

Explanation

The statement is true because E6, a viral protein, interacts with p53, a tumor suppressor protein, in the host cell. This interaction leads to the degradation of p53 through the ubiquitin-dependent pathway.

3. HPV is the number one Sexually Transmitted Disease in the US.

True

False

HPV, or human papillomavirus, is indeed the number one sexually transmitted disease in the US. It is a common virus that can be transmitted through sexual contact and can cause various health issues, including genital warts and certain types of cancer. The high prevalence of HPV infections and its potential serious consequences make it the most common sexually transmitted disease in the country.

Explanation

HPV, or human papillomavirus, is indeed the number one sexually transmitted disease in the US. It is a common virus that can be transmitted through sexual contact and can cause various health issues, including genital warts and certain types of cancer. The high prevalence of HPV infections and its potential serious consequences make it the most common sexually transmitted disease in the country.

4. Is NOT longer prevalent disease in the United States. Disease caused by varicella-zoster virus (VZV) Transmitted by skin contact and respiratory droplets

Shingles

Pneumonia

Herpes

Chickenpox

Chickenpox is the correct answer because it is a disease caused by the varicella-zoster virus (VZV), which is transmitted by skin contact and respiratory droplets. While shingles, pneumonia, and herpes are also caused by the same virus, chickenpox is no longer prevalent in the United States due to the introduction of a vaccine.

Explanation

Chickenpox is the correct answer because it is a disease caused by the varicella-zoster virus (VZV), which is transmitted by skin contact and respiratory droplets. While shingles, pneumonia, and herpes are also caused by the same virus, chickenpox is no longer prevalent in the United States due to the introduction of a vaccine.

5. E7 complexes with retinoblastoma protein (Rb) thereby inactivating it.

True

False

The statement is true because E7 complexes with retinoblastoma protein (Rb), which leads to the inactivation of Rb. This interaction between E7 and Rb prevents Rb from carrying out its normal function, which is to regulate the cell cycle and inhibit cell proliferation. As a result, the inactivation of Rb by E7 can contribute to uncontrolled cell growth and the development of conditions such as cancer.

Explanation

The statement is true because E7 complexes with retinoblastoma protein (Rb), which leads to the inactivation of Rb. This interaction between E7 and Rb prevents Rb from carrying out its normal function, which is to regulate the cell cycle and inhibit cell proliferation. As a result, the inactivation of Rb by E7 can contribute to uncontrolled cell growth and the development of conditions such as cancer.

6. Severe Acute Respiratory Syndrome (SARS) spread through close person to person contact SARS is an emerging infectious disease of the family???? Spread by contact with an infected person or object which theyhave coughed or sneezed. BATs may be the natural host

Paramyxovirus

Paramyxoviridae

Coronaviridae

Pneumovirus

Coronaviridae is the correct answer because SARS is caused by a coronavirus. Coronaviruses are a family of viruses that can cause respiratory illnesses in humans and animals. SARS is known to spread through close person to person contact, as well as through contact with infected objects. The statement about bats being the natural host is unrelated to the question and does not provide an explanation for the correct answer.

Explanation

Coronaviridae is the correct answer because SARS is caused by a coronavirus. Coronaviruses are a family of viruses that can cause respiratory illnesses in humans and animals. SARS is known to spread through close person to person contact, as well as through contact with infected objects. The statement about bats being the natural host is unrelated to the question and does not provide an explanation for the correct answer.

7. Types 6,11, 16,18 are the most important strains we see in this country that are high risk

Sexuallty transmitted

Sexually transmitted HPV's

Kaposi sarcoma

HPV- induced

The correct answer is sexually transmitted HPV's. This answer is supported by the statement in the question that Types 6, 11, 16, and 18 are the most important strains that are high risk and sexually transmitted. This suggests that these specific strains of HPV are transmitted through sexual activity and pose a higher risk compared to other strains.

Explanation

The correct answer is sexually transmitted HPV's. This answer is supported by the statement in the question that Types 6, 11, 16, and 18 are the most important strains that are high risk and sexually transmitted. This suggests that these specific strains of HPV are transmitted through sexual activity and pose a higher risk compared to other strains.

8. Human herpes 8 (HHV8) Linked to Multiple sclerosis (autoimmunity against myelin) Roseola (red body rash);Dormancy primarily infects children 6 months to 3 years.

True

False

Human Herpesvirus 6

Explanation

Human Herpesvirus 6

9. Herpes simplex virus Type II-----------Complications include: encephalitis, neonatal herpes, cancers. Mostly below the waist Cervical cancers/PAP smears Genital herpes sores and blisters Genital itching and throbbing Latency: Virus hides out in nerve cells; Recurrence?

8-10 times a year

6-8 times a year

10-12 times a year

Lifetime outbreaks every month

The correct answer is 8-10 times a year. Herpes simplex virus Type II can cause recurrent outbreaks, with an average of 8-10 episodes per year. These outbreaks are characterized by the presence of genital herpes sores and blisters, as well as symptoms such as genital itching and throbbing. The virus can also lead to complications such as encephalitis, neonatal herpes, and certain cancers, particularly cervical cancers. The virus can remain latent in nerve cells and may periodically reactivate, leading to recurrent episodes.

Explanation

The correct answer is 8-10 times a year. Herpes simplex virus Type II can cause recurrent outbreaks, with an average of 8-10 episodes per year. These outbreaks are characterized by the presence of genital herpes sores and blisters, as well as symptoms such as genital itching and throbbing. The virus can also lead to complications such as encephalitis, neonatal herpes, and certain cancers, particularly cervical cancers. The virus can remain latent in nerve cells and may periodically reactivate, leading to recurrent episodes.