What causes the abnormal establishment of glandular epithelium in the esophagus?
Esophagus reflux, where stomach acids are released into the esophagus.
What serious diseases can obesity lead to?
Type 2 diabetes mellitus and atherosclerosis.
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p.4
Causes of Cell Injury

What causes the abnormal establishment of glandular epithelium in the esophagus?

Esophagus reflux, where stomach acids are released into the esophagus.

p.2
Causes of Cell Injury

What serious diseases can obesity lead to?

Type 2 diabetes mellitus and atherosclerosis.

p.5
Reversible and Irreversible Cell Injury

What triggers the cellular death process?

Sustained damage that reaches a non-returning point.

p.7
Biochemical Mechanisms of Cell Death

What are reactive oxygen species (ROS) associated with?

Increased oxidative stress and damage to cellular components.

p.7
Immunologic Responses

How can inflammation affect cell death?

It can kill the etiological agent but may further damage the cell, combining apoptosis and necrosis.

p.7
Apoptosis Mechanisms

What is the extrinsic apoptosis pathway also known as?

Death receptor pathway.

p.7
Reversible and Irreversible Cell Injury

What is necroptosis?

A process that is a midway between necrosis and apoptosis.

p.2
Causes of Cell Injury

What happens when cells are exposed to noxious stimuli?

They exhibit progressive morphological and biochemical manifestations.

p.2
Reversible and Irreversible Cell Injury

What happens if the damaging stimulus is removed?

The cell can return to normal if the adaptation processes are successful.

p.6
Necrosis Types and Mechanisms

What is a characteristic appearance of fat necrosis?

White pearl areas formed by fatty acids combined with calcium.

p.6
Apoptosis Mechanisms

What is apoptosis?

'Programmed death of a cell' involving degradation of nuclear DNA and proteins.

p.6
Apoptosis Mechanisms

What is the intrinsic apoptosis pathway?

A mitochondrial pathway involving cytochrome c and caspase activation.

p.4
Cell Injury and Adaptation

What type of epithelium is shown in the digestive tissue picture?

Glandular epithelium.

p.7
Apoptosis Mechanisms

What do apoptotic bodies contain that helps in their recognition by macrophages?

Specific ligands on their membranes.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What causes massive physiologic enlargement of the uterus during pregnancy?

Estrogen stimulated smooth muscle hypertrophy and hyperplasia.

p.2
Causes of Cell Injury

How does aging affect cells?

It diminishes their ability to respond to stress, leading to cell death.

p.6
Necrosis Types and Mechanisms

What is caseous necrosis most often associated with?

Tuberculous infection.

p.6
Necrosis Types and Mechanisms

What causes fat necrosis?

Release of activated pancreatic enzymes into the pancreas and peritoneal cavity.

p.5
Necrosis Types and Mechanisms

What is gangrenous necrosis?

A clinical term used to describe a type of necrosis that is not purely a necrosis pattern.

p.4
Reversible and Irreversible Cell Injury

What does neoplasia describe?

The tendency of a tissue to occupy a place it is not supposed to, leading to serious consequences.

p.1
Causes of Cell Injury

What are the two most common causes of cell injury?

Hypoxia and ischemia.

p.7
Apoptosis Mechanisms

What happens when death receptors like FAS are activated?

A chain of self-reactions through caspases leads to cell death.

p.7
Apoptosis Mechanisms

What triggers pyroptosis?

Activation of a cytosolic protein complex called inflammasome.

p.2
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is the first response of a cell to injury?

The cell will try to adapt in a limited number of ways.

p.2
Reversible and Irreversible Cell Injury

What occurs if the abnormal state becomes sustained over time?

The cell becomes permanently injured but may still be reversible if damage is not deep enough.

p.6
Necrosis Types and Mechanisms

What is fibrinoid necrosis typically associated with?

Immune reactions and deposition of antigen-antibody complexes in blood vessel walls.

p.6
Biochemical Mechanisms of Cell Death

What is diagnosis in the context of pathology?

The identification of a specific pathological process in a disease.

p.4
Cell Injury and Adaptation

What does the glandular epithelium secrete to protect against acid attack?

Mucus.

p.1
Toxins and Infections

What are some common sources of toxins that can damage cells?

Cigarette smoke, poor food quality, and bacteria.

p.7
Reversible and Irreversible Cell Injury

What occurs during autophagy?

The cell digests its own components due to lack of external nutrients.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What can cause physiological hyperplasia in the endometrium?

Hormonal causes during pregnancy.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is atrophy?

Shrinkage in the size of cells due to loss of cell substance and metabolic processes.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is an example of metaplasia in smokers?

Replacement of pseudo-stratified ciliary epithelium in the respiratory airways.

p.4
Reversible and Irreversible Cell Injury

What happens if the condition of acid reflux is permanent?

It can lead to neoplasia and potentially cancer.

p.7
Apoptosis Mechanisms

What phospholipid is most important in signaling for macrophage engulfment?

Phosphatidylserine.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is an example of massive pathologic enlargement?

Massive pathologic enlargement of the cardiac muscle due to hypertension.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is hyperplasia?

An increase in the number of cells in an organ, enlarging it.

p.5
Necrosis Types and Mechanisms

What are the cytoplasmic changes associated with necrosis?

Increased eosinophilia, discontinuities in membranes, marked dilation of mitochondria, and disruption of lysosomes.

p.5
Necrosis Types and Mechanisms

What is coagulative necrosis?

A type of necrosis often seen in infarcts caused by ischemia, characterized by preserved tissue structures for several days.

p.6
Reversible and Irreversible Cell Injury

What are the two main causes of necrosis?

Hypoxia and ischemia.

p.4
Cell Injury and Adaptation

What type of epithelium is described in the pathology of dentistry?

Squamous epithelium, with no cilia nor goblet cells.

p.1
Reversible and Irreversible Cell Injury

What occurs if the adaptive capability of a cell is sustained over time?

Cell injury develops.

p.1
Causes of Cell Injury

How can ischemia lead to hypoxia?

Ischemia is the most common cause of hypoxia.

p.3
Reversible and Irreversible Cell Injury

What can result from the cardiac muscle adapting to increased workload?

Hypertrophy to generate higher contractile force, potentially leading to ischemia and hypoxia.

p.1
Immunologic Responses

What are the two types of immune responses that can lead to cell injury?

Hyper immune response and hypo immune response.

p.7
Biochemical Mechanisms of Cell Death

What happens when the endoplasmic reticulum encounters excessive stress?

Accumulation of misfolded proteins, signaling for apoptosis.

p.2
Cell Injury and Adaptation

What morphological changes occur in stressed kidney cells?

Loss of defined edges of the plasma membrane and nucleus, and eosinophilia.

p.6
Apoptosis Mechanisms

What physiological process can trigger apoptosis?

Aging and normal development.

p.6
Biochemical Mechanisms of Cell Death

What is pathogenesis?

The specific mechanism a disease needs to happen.

p.4
Causes of Cell Injury

What is the consequence of high mucus accumulation in squamous epithelium?

It can provoke neoplasia.

p.7
Apoptosis Mechanisms

What initiates the formation of apoptotic bodies?

The breakdown of proteins maintaining the cytoskeleton structure.

p.5
Reversible and Irreversible Cell Injury

What is cellular swelling associated with?

Increased permeability of the plasma membrane and nucleus, leading to pallor, increased turgor, and swelling.

p.1
Toxins and Infections

How can hyperglycemia affect hemoglobin's function?

Glucose can saturate hemoglobin, preventing it from transporting oxygen, leading to hypoxia.

p.5
Necrosis Types and Mechanisms

What is necrosis?

Cellular membranes fall apart, releasing cytoplasmic contents and triggering an inflammatory response.

p.5
Necrosis Types and Mechanisms

What are the three phases of nuclear changes in necrosis?

1. Pyknotic nucleus, 2. Karyorrhexic nucleus, 3. Karyolytic nucleus.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is metaplasia?

Replacement of sensitive cells with more resilient cells for increased protection.

p.6
Biochemical Mechanisms of Cell Death

What does prognosis refer to?

The expected progress of a specific disease.

p.4
Reversible and Irreversible Cell Injury

What are the two reversible patterns a cell can enter if the damage is not deep?

The text does not specify the names of the reversible patterns.

p.2
Causes of Cell Injury

What nutritional imbalances can cause cell injury?

Deficits in proteins, calories, and vitamins, as well as excessive dietary intake leading to obesity.

p.5
Reversible and Irreversible Cell Injury

What is fatty change in cells?

The appearance of triglyceride-containing lipid vacuoles in the cytoplasm, especially in organs involved in lipid metabolism.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What are the two types of hyperplasia?

Physiological and pathological hyperplasia.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is a common cause of pathological hyperplasia in the prostate?

Prostatic hyperplasia due to hormonal imbalance.

p.5
Necrosis Types and Mechanisms

What is liquefactive necrosis?

Necrosis occurring in the brain due to hypoxic cell death, often associated with bacterial infections and pus formation.

p.6
Apoptosis Mechanisms

What happens to the nucleus during apoptosis?

It undergoes fragmentation, known as karyorrhexis.

p.1
Causes of Cell Injury

What is ischemia?

Reduced blood supply resulting in a deficiency of essential nutrients.

p.2
Causes of Cell Injury

What types of trauma can affect cells?

Various kinds, including burns.

p.7
Biochemical Mechanisms of Cell Death

What biochemical change leads to cell death due to hypoxia and ischemia?

Decrease in ATP levels.

p.6
Necrosis Types and Mechanisms

What does 'caseous' refer to in caseous necrosis?

A 'cheeselike' appearance due to calcification.

p.3
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What can lead to pathological atrophy?

Decreased workload, loss of innervation, diminished blood supply, inadequate nutrition, loss of endocrine stimulation, and aging.

p.6
Apoptosis Mechanisms

What role do Bcl-2 and Bcl-xL proteins play in apoptosis?

They maintain mitochondrial membrane integrity and prevent apoptosis.

p.1
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What happens to cells when they encounter physiologic stresses or injurious conditions?

They can undergo adaptation, reaching a new steady state that preserves functions as long as noxious stimuli are removed.

p.1
Causes of Cell Injury

What is hypoxia?

Oxygen deficiency.

p.5
Reversible and Irreversible Cell Injury

What microscopic feature may indicate cellular swelling?

Small, clear vacuoles in the cytoplasm, known as vacuolar degeneration.

p.1
Toxins and Infections

What role do infections play in cell injury?

Infections can damage cells by feeding on body-produced substances and altering normal cell physiology.

p.1
Causes of Cell Injury

What can genetic abnormalities lead to in terms of cell function?

They can result in a lack of certain enzymes, changing cell physiology and leading to disease.

p.2
Necrosis Types and Mechanisms

What is necrosis?

A form of irreversible cellular death triggered by deep and sustained damage.

p.2
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What can cause hypertrophy?

Increased functional demand or hormonal stimulation.

p.2
Cellular Adaptations: Hypertrophy, Hyperplasia, Atrophy, Metaplasia

What is hypertrophy?

An increase in the size of cells due to increased amounts of structural proteins and organelles.

p.6
Apoptosis Mechanisms

What triggers apoptosis in damaged cells?

Severe DNA damage or accumulation of misfolded proteins.

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Study Smarter, Not Harder