Quiz 2 Essay Example | Topics and Well Written Essays - 750 words

Quiz 2 - Essay Example Save the attachment (.doc) or copy and paste the quiz and the answer sheet to your word processor. Enter your answers directly  into your word processor version. When you have finished entering your answers, save your answers to your computer (always keep a copy of your work).   To submit your quiz, please go to your Assignments Folder and click on the tab for QUIZ 2. Copy and paste your quiz answers into the text box and click on "Submit For Grading." (Attachments are acceptable but try copying and pasting first, let attachments be your last resort). Using the Rich Text Editor (RTE) will help preserve the formatting of your answer sheet; consult the Help Desk if you need help with installing or using the RTE. (In the upper right-hand corner of your screen, see Options, then Account Preferences to enable the RTE.) If you have any questions please contact WebTycho support line! Q. 1 – 30: Objective-Type Questions (2 points per question) Please use alphabet answers where app licable. 1. C 2. A 3. D 4. C 5. D 6. C 7. D 8. D 9. A 10. D 11. D 12. D 13. B 14. E 15. D 16. C 17. B 18. B 19. C 20. A 21. FALSE 22. TRUE 23. FALSE 24. FALSE 25. FALSE 26. TRUE 27. TRUE 28. TRUE 29. FALSE 30 TRUE Essay Questions (10 points each). Choose and answer only four (4) essay questions. If you answer more than four, only the first four will be graded. Essay #1 There are 6 categories of leucocytes in the human body. These are as listed below together with their roles: a. Eisinophil- Are tasked with the responsibility to handle all parasitic infections alongside hives, allergic reactions, asthma and hay fever. b. Basophil- release a chemical recognized as histamine which has a response to both antigen and allergic threat that might cause inflammation in the body. c. Neutrophil- are the first one responsible for fighting any potential microbial infection whether bacterial or fungal and any type of diseases. d. Monocyte- Perform the functions of a 'vacuum cleaner' by collecting pathogens pieces in the blood and allows the T cells to destroy them. They flow throughout the blood stream removing debris of dead cells current in the blood. e. B-Lymphocytes- Binds the pathogens thus, destroying them as well as produce antibodies. f. T-lymphocytes- They destroy the tumors and viruses infected body cells. The typical process of phagocytosis occurs when the cell changes shape and sends out projections known as pseudopodia. This process is a non-specific body defense mechanism in which the various phagocytes engulf and destroy the disease causing microorganisms (Campbell & Reece, 2002). The pseudo-pods are the ones that engulf the microorganisms. The intruder in this case is the microorganism and the type of leucocytes that destroys it is the white blood cells. Essay #2 Characteristics of veins Characteristics of arteries Have thin membrane walls Have slightly thicker membrane walls Carry deoxygenated blood Carry oxygenated blood Less elastic than arteries More ela stic than veins Blood flows through them under low pressure Blood flows through them under high pressure Have larger lumens than arteries Have smaller lumens as compared to veins Essay #3 a. Calcium and Potassium. b. The skeletal system provides the body with its basic framework, as well as the structure. It also aides in the safeguard of the human body as well as in enabling easy movement of the body parts. Looking at a skeleton sometimes might be scary but, it is one of the