Back to AI Flashcard MakerBiology /Biology NEET - XI: Chapter 7- Structural Organization in Animals Part 12
Biology NEET - XI: Chapter 7- Structural Organization in Animals Part 12
This flashcard deck covers key questions and answers from Chapter 7, focusing on the structural organization in animals, particularly related to blood cells and coagulation.
Which WBCs have S shaped nucleus?
Basophils
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Key Terms
Term
Definition
Which WBCs have S shaped nucleus?
Basophils
What is the function of basophils?
They secrete histamine, serotonin and heparin.
Which WBCs have a bilobed nucleus?
Acidophils
Which WBCs have anti-histaminic effect?
Acidophils
Which WBCs have anti-helminthic effect?
Acidophils
Which WBCS have an oval nucleus?
Lymphocytes
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| Term | Definition |
|---|---|
Which WBCs have S shaped nucleus? | Basophils |
What is the function of basophils? | They secrete histamine, serotonin and heparin. |
Which WBCs have a bilobed nucleus? | Acidophils |
Which WBCs have anti-histaminic effect? | Acidophils |
Which WBCs have anti-helminthic effect? | Acidophils |
Which WBCS have an oval nucleus? | Lymphocytes |
Which WBCs have a kidney shaped nucleus? | Monocytes |
Which cells are called are called the macropolice of the body? | Monocytes |
What are the stem cells of platelets? | Megakaryoblast of red bone marrow |
Platelets are the cell fragments of | Megakaryocytes |
Do platelets have a nucleus? | No |
Are thrombocytes nucleated? | Yes |
What is the life span of a platelet? | One week |
What is the platelet count of the body? | 1.5 to 3.5 lakhs/cubic milimetre |
What is the ratio or number of RBC:WBC:Platelets per cubic milimetre of blood? | 600:1:20 |
Name all the blood coagulation factors. | I- Fibrinogen, II - Prothrombin, III- Thromboplastin, IV- Calcium ions, V- Labile factor, VI- Unknown, VII-SPCA- Serum prothrombin conversion activator, VIII- Anti haemophilic factor A, IX- Anti haemophilic factor B, X- Stuart-Prower factor, XI- Anti haemophilic factor C, XII- Hageman factor, XIII- Loki Lorand factor |
What is a clot formed underneath the skin called? | Purpura |
What is a clot formed inside blood vessels called? | Thrombus |
Thromboplastin is released by | Platelets |
What converts prothrombin into thrombin? | Thrombokinase |
Which enzyme is required for converision of fibrinogen into fibrin? | Thrombin |
What is the composition of serum? | Plasma without fibrinogen |
How does warfarin act as an anticoagulant? | Vitamin K antagonist |
Where is prothrombin synthesised? | In liver in presence of vitamin K |
Which germinal layer do the iris and ciliary muscle of eye arise from? | Ectoderm |