Cell Injury Death And Adaptation Quiz Questions With Answers

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| By Eddy Sidra

Eddy Sidra

Community Contributor

Quizzes Created: 12 | Total Attempts: 31,878

Questions: 10 | Attempts: 24,177 | Updated: Mar 22, 2023

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Cell Injury Death And Adaptation Quiz Questions With Answers - Quiz

Do you know about cell injury death and adaptation? If yes, take this cell injury death and adaptation quiz and find how well you know about this. There may be tiny little things that make up our bodies, but believe it or not; cells can become injured and even die and adapt given certain conditions. In the following quiz on cells, we’ll be looking at how all of this can occur and the processes behind it. Good luck! You can share the quiz with friends and compete with them.

Questions and Answers

1.

AMD occurs when _______ accumulates in the retina and eventually causes macular degeneration. This combination of _______ accumulation and atrophy can be referred to as __________
- A.
  
  Lipofuscin, Lipofuscin, Brown Atrophy
- B.
  
  Lipofuscin, Bilirubin, Icterus
- C.
  
  Hemosiderin, Hemosiderin, Jaundice
- D.
  
  Lipofuscin, Lipofuscin, Dystrophic Calcification
Correct Answer
A. Lipofuscin, Lipofuscin, Brown Atrophy

Explanation
The mixture of lipofuscin accumulation and atrophy of an organ can be referred to as brown atrophy. (Slide 64)

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2.

Which of the following is the most common cause of cell injury?
- A.
  
  Chemical injury
- B.
  
  Hypoxia
- C.
  
  Infections
- D.
  
  Immunologic and Autoimmune diseases
Correct Answer
B. Hypoxia

Explanation
Hypoxia is the most common cause of cell injury because it refers to a lack of oxygen supply to the cells. Without sufficient oxygen, cells are unable to carry out their normal functions and can become damaged or die. Hypoxia can occur due to various reasons such as reduced blood flow, respiratory diseases, or high altitudes. It is a common cause of cell injury in various organs and tissues, leading to cellular dysfunction and potentially organ failure.

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3.

Necrosis which occurred secondary to vascular occlusion and affected lower extremities would most likely be called
- A.
  
  Gangrenous necrosis
- B.
  
  Coagulation necrosis
- C.
  
  Liquefaction necrosis
- D.
  
  Caseous necrosis
Correct Answer
A. Gangrenous necrosis

Explanation
Gangrenous necrosis is the most likely term to describe necrosis that occurs as a result of vascular occlusion and affects the lower extremities. Gangrenous necrosis refers to the death of tissue due to a lack of blood supply, typically caused by blockage or damage to blood vessels. This condition often leads to tissue decay, discoloration, and a foul odor. Given that the necrosis is occurring in the lower extremities and is a consequence of vascular occlusion, gangrenous necrosis is the most appropriate term to describe the condition.

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4.

A decrease in ATP will have which of the following cellular effects? (select 2)
- A.
  
  Decrease in pH (due to increased lactate production)
- B.
  
  Increased Oxidative phosphorylation
- C.
  
  Influx of calcium
- D.
  
  Influx of potassium
Correct Answer(s)
A. Decrease in pH (due to increased lactate production)
C. Influx of calcium

Explanation
There will be an influx of calcium and sodium due to the breakdown of the ATP pumps. This means that potassium will efflux more (potassium has a tendency to exit the cell)

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5.

Which of the following is not a sign of irreversible cell injury?
- A.
  
  Severe membrane damage
- B.
  
  Lysosomal rupture
- C.
  
  Pigment accumulation (lipofuscin, hemosiderin, melanin, ...)
- D.
  
  Pyknosis
- E.
  
  Karyolysis
Correct Answer
C. Pigment accumulation (lipofuscin, hemosiderin, melanin, ...)

Explanation
Pigment accumulation (lipofuscin, hemosiderin, melanin, ...) is not a sign of irreversible cell injury. Pigments such as lipofuscin, hemosiderin, and melanin can accumulate in cells as a result of normal aging or certain pathological conditions, but their presence alone does not indicate irreversible damage to the cell. On the other hand, severe membrane damage, lysosomal rupture, pyknosis (shrinkage and increased basophilia of the nucleus), and karyolysis (dissolution of the nucleus) are all characteristic features of irreversible cell injury.

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6.

Adaptive cell responses such as aplasia and atrophy are potentially reversible processes.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Once the stress has been removed, it may be reversible. However, they can progress to malignancy (Slide 36)

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1
7.

After an ischemic injury, which of the following will survive the longest without irreversible cell damage?
- A.
  
  Bicep muscle cells
- B.
  
  Liver cells
- C.
  
  Myocardial cells
- D.
  
  Neurons
Correct Answer
A. Bicep muscle cells

Explanation
Skeletal muscle can last for hours after an ischemic injury. Neurons have the shortest lifetime.

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1
8.

If tumor suppressor p53 was deactivated, which of the following would be expected to occur
- A.
  
  Decreased apoptosis of cells
- B.
  
  Increased apoptosis of cells
- C.
  
  No change in apoptosis of cells
Correct Answer
A. Decreased apoptosis of cells

Explanation
p53 controls apoptosis, without this tumor suppressor protein inducing apoptosis, there would be less programmed cell death occurring.

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9.

Intradermal nevi fall into which category?
- A.
  
  Aplasia
- B.
  
  Dysplasia
- C.
  
  Hyperplasia
- D.
  
  Metaplasia
Correct Answer
B. Dysplasia

Explanation
Intradermal nevi fall into the category of dysplasia. Dysplasia refers to the abnormal development or growth of cells or tissues. Intradermal nevi are benign skin growths that occur in the dermis layer of the skin. They are characterized by the presence of disorganized and abnormal cells, which is a hallmark of dysplasia.

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Current Version
Mar 22, 2023

Quiz Edited by
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Apr 12, 2016

Quiz Created by
Eddy Sidra

Cell Injury Death And Adaptation Quiz Questions With Answers

AMD occurs when _______ accumulates in the retina and eventually causes macular degeneration. This combination of _______ accumulation and atrophy can be referred to as __________

Which of the following is the most common cause of cell injury?

Necrosis which occurred secondary to vascular occlusion and affected lower extremities would most likely be called

A decrease in ATP will have which of the following cellular effects? (select 2)

Which of the following is not a sign of irreversible cell injury?

Adaptive cell responses such as aplasia and atrophy are potentially reversible processes.

After an ischemic injury, which of the following will survive the longest without irreversible cell damage?

If tumor suppressor p53 was deactivated, which of the following would be expected to occur

Intradermal nevi fall into which category?

AMD occurs when ___ accumulates in the retina and eventually causes macular degeneration. This combination of _ accumulation and atrophy can be referred to as ________