Cellular Adaptation and Injury
37 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is metaplasia?

  • Reversible replacement of one mature cell type with another (correct)
  • Uncontrolled growth of cells leading to tumors
  • A process related to nutritional imbalances
  • Permanent replacement of one cell type with another
  • Which of the following best describes dysplasia?

  • A process strictly involving genetic mutations
  • An adaptive response to injury
  • A reversible process that leads to normal cell growth
  • Irregular growth of cells with varying size and shape (correct)
  • What causes free radical injury?

  • Excessive nutrient intake
  • Physical trauma to tissues
  • Oxidative stress from uncharged atoms with unpaired electrons (correct)
  • Malfunction of the immune system
  • Which of the following is a type of physical agent that can cause cellular injury?

    <p>Extreme temperatures</p> Signup and view all the answers

    How can radiation injury affect cells?

    <p>Through damaging DNA and producing free radicals</p> Signup and view all the answers

    What is a common outcome of persistent severe irritation of a tissue?

    <p>Neoplasms and cancer development</p> Signup and view all the answers

    Which of the following agents can cause chemical injury to cells?

    <p>Carbon monoxide</p> Signup and view all the answers

    What is most closely associated with impaired calcium homeostasis?

    <p>Cellular injury and death</p> Signup and view all the answers

    What is the primary feature of atrophy in cellular change?

    <p>Shrinkage in cell size</p> Signup and view all the answers

    Which condition is an example of physiologic hypertrophy?

    <p>Enlargement of the uterus during pregnancy</p> Signup and view all the answers

    Which of the following correctly describes hyperplasia?

    <p>Increase in the number of cells through division</p> Signup and view all the answers

    What distinguishes pathologic adaptation from physiologic adaptation?

    <p>Pathologic adaptation occurs in response to damaging stimuli.</p> Signup and view all the answers

    What type of cellular adaptation involves an increase in the size of the organ?

    <p>Hypertrophy</p> Signup and view all the answers

    Which of the following is a possible cause of atrophy?

    <p>Inadequate nutrition</p> Signup and view all the answers

    Which of the following cellular adaptations is often reversible?

    <p>Metaplasia</p> Signup and view all the answers

    Which mechanism is associated with compensatory hyperplasia?

    <p>Removal of significant tissue</p> Signup and view all the answers

    What is the most common cause of cell injury?

    <p>Ischemia</p> Signup and view all the answers

    Which of the following can lead to hypoxic cell injury?

    <p>Increased altitude</p> Signup and view all the answers

    Which cellular response is NOT associated with hypoxia?

    <p>Increased ATP production</p> Signup and view all the answers

    What is ischemia-reperfusion injury primarily caused by?

    <p>Oxidative stress</p> Signup and view all the answers

    Which of the following is a result of impaired calcium homeostasis?

    <p>Increased cytosolic calcium levels</p> Signup and view all the answers

    Which condition can lead to asphyxial injuries?

    <p>Obstructed airway</p> Signup and view all the answers

    What common injury can arise from oxidative stress?

    <p>Stroke</p> Signup and view all the answers

    Which of the following factors does NOT contribute to oxidative stress?

    <p>High levels of ATP</p> Signup and view all the answers

    What role does calcium play in cellular function?

    <p>It acts as a second messenger that can activate intracellular enzymes.</p> Signup and view all the answers

    Which condition is an example of abnormal endogenous products accumulation in cells?

    <p>Tay-Sachs disease</p> Signup and view all the answers

    What is dystrophic calcification commonly associated with?

    <p>Deposition of calcium salts in injured tissue.</p> Signup and view all the answers

    What characterizes necrosis compared to apoptosis?

    <p>Necrosis results in inflammation and interferes with tissue regeneration.</p> Signup and view all the answers

    Which lab value signifies possible cell injury by indicating an increase in white blood cells?

    <p>Leukocytosis</p> Signup and view all the answers

    What is the main difference between reversible cell injury and irreversible cell injury?

    <p>Reversible injury allows for complete recovery, while irreversible leads to cell death.</p> Signup and view all the answers

    What is a common cause of metastatic calcification?

    <p>Hypercalcemia due to various conditions.</p> Signup and view all the answers

    Which of the following is true regarding pathological calcifications?

    <p>Dystrophic calcification is related to tissue injury, while metastatic calcification to calcium imbalance.</p> Signup and view all the answers

    What is the primary cause of dry gangrene?

    <p>Lack of blood supply</p> Signup and view all the answers

    What results from the invasion of neutrophils in wet gangrene?

    <p>Liquefactive necrosis</p> Signup and view all the answers

    What is the significance of telomeres in cellular aging?

    <p>They become too short, halting cell division</p> Signup and view all the answers

    Which factor is NOT directly linked to cellular aging?

    <p>Sarcomere development</p> Signup and view all the answers

    In gas gangrene, what causes the bubbles of gas observed in the infected area?

    <p>Hydrolytic toxins from Clostridium</p> Signup and view all the answers

    More Like This

    Pathology Concepts Quiz
    10 questions
    Cellular Adaptation and Injury Quiz
    5 questions

    Cellular Adaptation and Injury Quiz

    FastPacedSerendipity6273 avatar
    FastPacedSerendipity6273
    Cell Injury and Death in Pathology
    24 questions
    Use Quizgecko on...
    Browser
    Browser