Cellular reaction to injury
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| show | Adaptation; Cell injury- either reversible (degeneration) or irreversible (death, or necrosis)
🗑
|
||||
| What are 7 major causes of cellular injury? | show 🗑
|
||||
| What is the most common cause of cellular injury? | show 🗑
|
||||
| What is Hypoxia? | show 🗑
|
||||
| show | Trauma; Thermal Injury (extreme heat or cold); Radiation; Electric injury
🗑
|
||||
| show | Therapeutic agents (aspirin); Non-therapeutic agents (alcohol or lead poisoning)
🗑
|
||||
| What are infectious agents that may cause cell injury? | show 🗑
|
||||
| show | Congenital malformation
🗑
|
||||
| show | Deficiency (avitamoninosis, protein calorie malnutrition); Excess (obesity)
🗑
|
||||
| What are Immunologic reactions that may cause cell injury? | show 🗑
|
||||
| Whether cell damage is reversible or irreversible is dependent on what four factors? | show 🗑
|
||||
| What 4 intracellular systems are more vulnerable to cell injury? | show 🗑
|
||||
| An example of reversible changes are...? | show 🗑
|
||||
| show | 1. Cloudy appearance of swollen cells due to dispersion of cytoplasmic organelles; 2. Cell membrane shows blunting of microvilli
🗑
|
||||
| show | 1. swelling of endoplasmic reticulum; 2. Swelling of mitochondria 3. Swelling of lysosomes
🗑
|
||||
| What happens with the swelling of endoplasmic reticulum? | show 🗑
|
||||
| show | Accumulation of fat within parenchymal cells of liver (due to hypoxia, alcohol, or DM); Membrane-bound lysosomes coalesce together producing fatty cysts; Appears as vacuoles due to accumulation of fatty droplets
🗑
|
||||
| What happens when there is irreversible damage of cell membranes? | show 🗑
|
||||
| show | small dense nucleus
🗑
|
||||
| show | fragmentation
🗑
|
||||
| What is Karyolysis? | show 🗑
|
||||
| show | Death of group of cells within a living body caused by injurious agent
🗑
|
||||
| show | 1. Nuclear changes- Pyknosis, Karyorrhexis, Karyolysis 2. Cytoplasmic change- Swollen 3. Architectural changes- depend on whether denaturation of proteins or enzymatic digestion prevails
🗑
|
||||
| show | Denaturation of proteins and Enzymatic digestion
🗑
|
||||
| What is denaturation of proteins? | show 🗑
|
||||
| show | Cell lysis (autolysis, or heterolysis), necrotic tissue appears without structure (liquifactive necrosis)
🗑
|
||||
| What are 7 types of necrosis? | show 🗑
|
||||
| What is the most common type of Necrosis? | show 🗑
|
||||
| show | ischemia
🗑
|
||||
| How does coagulative necrosis appear to the N.E.? | show 🗑
|
||||
| How does coagulative necrosis appear under a microscope? | show 🗑
|
||||
| show | Cell lysis prevails over protein denaturation; necrotic tissue: soft, liquid-like
🗑
|
||||
| What are some causes of colliquative (liquefactive) necrosis? | show 🗑
|
||||
| In what kind of necrosis does the necrotic tissue appear white and cheesy? | show 🗑
|
||||
| What is the cause of Caseous necrosis? | show 🗑
|
||||
| What are three mechanisms of Caseous necrosis? | show 🗑
|
||||
| show | Release of pancreatic enzymes into surrounding tissue (ex: traumatic injury, acute pancreatitis)
🗑
|
||||
| show | Fatty acids combine w/ calcium --> calcium soaps: hard chalky white patches, formed of necrotic fat cells, calcification and fibrosis
🗑
|
||||
| show | Trauma (not enzymatic digestion) to fatty tissue e.g. breast, subcutaneous tissue
🗑
|
||||
| show | Release of intracellular fat--> acute inflammation and fibrosis--> firm mass mistaken for breast cancer
🗑
|
||||
| What is fibrinoid necrosis? | show 🗑
|
||||
| show | 1. malignant HTN--> necrosis of tunica media of arterioles, leakage of plasma protein and deposition of fibrin. 2. Autoimmune diseases: synovial membranes in rheumatoid arthritis (immune complexes, breakdown products of collagen and fibrin)
🗑
|
||||
| What is gangrene? | show 🗑
|
||||
| What are three types of gangrene? | show 🗑
|
||||
| Where does dry gangrene occur? | show 🗑
|
||||
| show | Line of demarcation
🗑
|
||||
| Where does wet gangrene occur? | show 🗑
|
||||
| show | wet gangrene
🗑
|
||||
| Which type of gangrene has both tissue necrosis and putrefaction which are caused by bacteria? | show 🗑
|
||||
| show | gas gangrene
🗑
|
||||
| show | gas gangrene
🗑
|
||||
| What is apoptosis? | show 🗑
|
||||
| What are apoptotic bodies also known as? | show 🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
courtney.marie23
Popular Acupuncture sets