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4C Quiz 3- Viruses

Quiz by Carrie May

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Q 1/5

Score 0

How does a virus cause disease?

It produces toxic substances that harm the body.

It form endospores in the body.

It rapidly undergoes mitotic cell division that quickly smothers nearby cells.

It disrupts homeostasis and equilibrium in the body.

Q 4/5

Score 0

A person infected with the human immunodeficiency virus (HIV) may not have any symptoms for a period of time. During this period the virus affects the body by doing which of the following?

The virus changes the identity of the nucleotides of immune cells to prevent the immune system from functioning normally.

The virus uses nutrients meant for immune cells to fuel its own cellular respiration.

The virus produces toxins that weaken immune cells and prevent them from reproducing.

The virus damages immune cells while using their machinery to produce copies of itself.

Q 5/5

Score 0

Severe acute respiratory syndrome (SARS) is an illness caused by a coronavirus. Symptoms including a high fever, headaches, and body aches typically occur two to seven days after infection by the virus. SARS is more serious in elderly patients. This information suggests that the reproductive cycle of the SARS virus is —

lytic, because of the quick onset of symptoms after infection

lysogenic, because the virus primarily affects older people

lytic, because the virus causes respiratory illness

lysogenic, because the virus is a coronavirus

5 questions

Q.How does a virus cause disease?

30 sec

Q.Viruses can be transmitted in a variety of ways. The virus that causes SARS (severe acute respiratory syndrome) can be transmitted when an infected person coughs or sneezes. This virus is transmitted in a manner most similar to the transmission of—

30 sec

Q.Which of the following is effective in reducing the number of viral infections?

30 sec

Q.A person infected with the human immunodeficiency virus (HIV) may not have any symptoms for a period of time. During this period the virus affects the body by doing which of the following?

30 sec

Q.Severe acute respiratory syndrome (SARS) is an illness caused by a coronavirus. Symptoms including a high fever, headaches, and body aches typically occur two to seven days after infection by the virus. SARS is more serious in elderly patients. This information suggests that the reproductive cycle of the SARS virus is —

30 sec

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