BIO202 - CH17 – Leukocytes (WBCs) - Marieb/Hoehn - RioSalado - AZ
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Abnormal types of white blood cells | Infectious mononucleosis - caused by epstein-barr virus, leukemias - WBC cancers
🗑
|
||||
| Leukocytes are? | White blood cells (WBCs)
🗑
|
||||
| What is diapedesis? | When white blood cells slip out of capillary beds to go where needed.
🗑
|
||||
| Leukocytes move through tissue space by __. | amoeboid motion
🗑
|
||||
| Leukocytes follow chemical trail to their destination - this is called __. | postitive chemotaxis
🗑
|
||||
| What is leukocytosis? | WBC count over 11,000/ml - normal homeostatic response to an infection in body
🗑
|
||||
| 2 major categories of leukocytes. | Granulocytes (have membrane-bound granules) & agranulocytes (lack them).
🗑
|
||||
| Pneumonic phrase to remember leukocytes from most abundant to least. | Never Let Monkeys Eat Bananas (Neutrophils, lymphocytes, monocytes, eosinophils, & basophils).
🗑
|
||||
| Granulocytes include __ & are __ in shape. | Neutrophils, basophils,& eosinophils (Never Eat Bananas) - Spherical
🗑
|
||||
| Functionally all granulocytes are __. | Phagocytes
🗑
|
||||
| Neutorphils contain antimicrobial proteins called __. | defensin
🗑
|
||||
| Neutrophils are called PMNs or polys because? | They are polymorphonuclear leukocytes because their nuclei have 3-6 lobes.
🗑
|
||||
| What is a respiratory burst? | When oxygen is used by phagocytes to produce oxidizing substances to kill germs - hydrogen peroxide - defensin - mediated lysis occurs.
🗑
|
||||
| Neutrophils | 2/3 of WBCs - follow chemical trails - fine granules - take up blue & red dyes.
🗑
|
||||
| Eosinophils | Attach paracites & take part in alergic responses - 2 lobes, stain red, great against worms.
🗑
|
||||
| agranulocytes | lymphocytes & monocytes (Let Monkeys).
🗑
|
||||
| Monocytes | immature pagocytes - pale blue cytoplasm & dk. nucleus - become marcrophages - activate lymphocytes to mount immune response.
🗑
|
||||
| B & T cells / lymphocytes | Operate in immune respoinses - 2nd most common WBC - lg. dk. nucleus w/sm. rim of blue & emeshed in lymphoid tissue.
🗑
|
||||
| Basophils | Rarest WBC - release histamine - contain heparin (anticoagulant) - U or S shaped nucleus
🗑
|
||||
| T lymphocytes (T cells) | Function in immune response by acting directly against virus - infected & tumor cells.
🗑
|
||||
| B lymphocytes ( B cells) | Give rise to plasma cells which produce antibodies (immunoglobins).
🗑
|
||||
| What is leukopoiesis? | Production of WBCs - stimulated by chemical messengers.
🗑
|
||||
| 2 glycoprotein familes of hematopoietic factors | interleukins & coly - stimulating factors (CFSs).
🗑
|
||||
| Monocytes may live for __. | several months
🗑
|
||||
| Lymphocytes may live from __. | a few days to decades
🗑
|
||||
| Overproduction of abnormal leukocytes occurs in __ & __. | leukemia & infectious mononucleosis
🗑
|
||||
| An abnormally low WBC count is called __ is commonly induced by __. | leukopenia - glucocorticoids & anticancer agents
🗑
|
||||
| The leukemias are named according to __. | The abnormal cell type primarily involved.
🗑
|
||||
| Leukemia is acute when __ & chronic __. | it derrives from blast-type cells - when it proliferates from later stages.
🗑
|
||||
| Acuteleukemia is seen most in __ & chronic in __. | children - elderly
🗑
|
||||
| Without therapy, all leukemias are __. | fatal
🗑
|
||||
| In leukemia, bone marrow becomes __. | totallyoccupied by cancerous leukocytes & immature WBCs flood into blood, causing anemia & bleeding
🗑
|
||||
| The most common causes of death for leukemia are __. | internal hemorrhage & overwhelming infections
🗑
|
||||
| Most CFSs are named for? | The leukocyte population they stimulate, ie granulocyte -CSF (G-CSF).
🗑
|
||||
| Whatis the granulocyte line of leukopoiesis? | Hemocytoblast -> myeloid stem cell -> myeoblasts -> promyelocyte -> myelocyte -> band cell -> granular leukocyte
🗑
|
||||
| The nuclei arc of granular leukocytes forms when? | in the band cell stage
🗑
|
||||
| When myeloblasts accumulate lysosomes, they become __. | promyelocytes
🗑
|
||||
| The agranulocyte __ diverge from a myeloblast that can become either a neutrophil or a __. | monocytes - monocyte
🗑
|
||||
| Only __ arise via the lymphoid stem cell line. | lymphocytes
🗑
|
||||
| Treatments for leukemia are? | Irradiation & drugs that destroy rapidly dividing cells - bone marrow or unbilical cord blood transplants.
🗑
|
||||
| Infectious mononucleosis is caused by __ virus. | Epstein-Barr
🗑
|
||||
| Hallmoark of infectious mononucleosis is? | Excess number of agranuloctyes.
🗑
|
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:
Ladystorm
Popular Anatomy sets