Copy of Microbiology BM8 Viruses (Chapter 5) (6/25/2024)
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Last updated 4 months ago
18 questions
Please read carefully before choosing your answer.
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Free Response
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Claim, Evidence, and Reasoning
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NGSS LS1-2 CCC: Structure/Function PE: Developing and Using Models DCI: LS1.A
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True or False: Viruses are considered living organisms.
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Question 16
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CCC: Structure and Function
Viruses continue to surprise those who study them. Viruses, often dismissed as mere agents of disease, continually astonish researchers with their complexity and adaptability.
a. How would you use the knowledge you have gained to explain why viruses are still surprising given their simplicity in structure?
b. How could this simplicity give them an advantage in their ability to cause diseases?
c. How could this simplicity be a disadvantage for causing diseases?
Question 17
17.
PE: Modeling and Using Models
1. a. Using the model of virus multiplication, how could you make use of viral multiplication
to prevent viral infections?
b. Which stage or stages would you target?
c. Why did you choose this stage(s) to target?
d. How would this disrupt the viral infection?
2. Create a new model showing how viral multiplication would look with your target preventative.
For full credit: identify the type of viral multiplication, discuss the step that has the best chance, and why you made your choice.
Question 18
18.
CER/Data Question: Claim, Evidence, and Reasoning.
Viruses are microscopic agents that can significantly disrupt cellular functions or changing the cell entirely. When a virus infects a cell, it hijacks the cell's machinery to replicate itself, often causing cellular damage or death in the process. This disruption can alter metabolic pathways, contributing to insulin resistance. Viruses can also induce mutations in the host's DNA or provoke chronic inflammation, creating an environment conducive to tumor development. Thus, understanding the mechanisms by which viruses affect cells is crucial for unraveling their roles in complex diseases.
This chart from chapter one identified diseases most clearly caused by microorganisms/viruses.
Question:
Are viruses responsible for more deaths than currently attributed (beyond red-labeled diseases)?
a. Make a claim by answering the above question.
b. Use evidence from the given information and image to support your claim.
c. Give the scientific reasons/rationale/theory that allow you to use your evidence in support of your claim.
See the rubric to ensure you get the greatest amount of points for your answer.
Host range is limited by
age of the host cell.
type of nucleic acid in the virus.
type of host cell receptors on cell membrane.
size of the host cell.
All the choices are correct.
The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is
adsorption to the host cells.
replication of viral nucleic acid.
host cell synthesis of viral enzymes and capsid proteins.
assembly of nucleocapsids.
injection of only the viral nucleic acid into the host cell.
Helical and icosahedral are terms used to describe the shapes of a virus
capsomere.
envelope.
capsid.
spike.
core.
Host cells of viruses include
humans and other animals
protozoa and algae.
plants and fungi.
bacteria.
All the choices are correct.
NCLEX Prep - Test Bank Question: Please read the clinical scenario, and then answer the questions that follow to become familiar with the traditional NCLEX question format.
Mrs. Hammond is a 79-year-old woman who has been a resident on your floor for the past 5 years. She has been complaining of pain, burning, and tingling on her left side. Today, you observe fluid-filled blisters wrapping around the left side of her torso in a single line. The physician diagnoses her with shingles and places her on contact precautions.
Mr. Hammond inquires how his wife contracted this viral infection, since she has not meet anyone who has shingles. You recall from microbiology that varicella zoster virus can remain in a chronic latent state in a host by
attacking T cells.
integrating into a bacteriophage.
hiding from the immune system within nerve cells.
turning on oncogenes
Viruses have all the following except
definite shape.
genes.
the ability to infect host cells.
metabolism.
ultramicroscopic size.
The envelope of enveloped viruses is
always includes spikes
identical to the host plasma membrane.
only composed of host endomembrane.
is obtained by viral budding or exocytosis.
None of the choices is correct.
Persistent viruses that can reactivate periodically are
cytopathic.
syncytia.
inclusion bodies.
chronic latent viruses.
oncoviruses.
When a virus is able to hide in a host cell and cause a reaction years later, it is called a ____________________ infection?
latent
later
lytic
lysogenic
long haul
Sometimes a virus like HPV causes changes in the host cell and the host cell will multiple uncontrollably. This type of viral infection can cause ______________________.
shingles
heart attacks
cancer
herpes
Which of the following is true about the structure of viruses?
Viruses are composed of cells
Viruses have a nucleus
Viruses have a protein coat called a capsid
Viruses have both DNA and RNA
What is the purpose of the protein coat (capsid) in a virus?
To protect the virus from host immune responses
To help the virus attach to host cells
To store genetic information
To regulate viral replication
What is the main genetic material found in viruses?