Note:
I was going to ignore this, because it's VERY LONG...but I know that some of my K12 Seniors really need it so I'm going to answer all 18 with the CORRECT answers.
Answers:
1. The percentage of solids in a sample of blood (hematocrit) is normally about (Answer: 45 )
2. The plasma proteins necessary for clotting are the
(Answer: fibrinogens)
3. Fresh whole blood is usually collected from
(Answer: a superficial vein)
4. Each of the following statements about erythrocytes is true except one. Which statement is not true? (Answer: Red blood cells have a large nucleus.)
5. The function of leukocytes (white blood cells) is (Answer: to defend the body against infectious agents.)
6. The function of hemoglobin is to (Answer: carry oxygen. )
7. ___ is the condition in which the oxygen-carrying capacity of the blood is reduced. (Answer: Anemia)
8. The white blood cells that are important in producing antibodies are the (Answer: lymphocytes)
9. The following is a list of the steps involved in the process of hemostasis and clot removal.
(Answer: 3, 5, 1, 4, 2)
10. Rat poison contains a toxin that blocks the liver's ability to utilize Vitamin K. Animals that consume rat poison would die of (Answer: hemorrhage)
11. A person who lives in a city at sea level and takes a vacation to an area high in the Rocky Mountains would experience an increase in ___ in response to the thinner air. (Answer: his/her red blood cell count )
12. The type of blood that is the universal donor is (Answer: O- )
13. Which of the following hematocrit measurements might indicate that a person has a problem producing red blood cells?
(Answer: 25)
14. Which of the following is not a benefit of the shape of red blood cells?
(Answer: ability of the cell to diffuse out of blood vessels into surrounding tissues )
15. The intrinsic, extrinsic, and common pathways function in (Answer: clotting after injury. )
16. Which method of blood collection would you use to determine the efficiency of gas exchange in the lungs?
(Answer: arterial puncture)
17. To get ready for a scheduled surgery, you visit the hospital lab for a blood draw to determine your blood type. Anti-A antibody is added to one sample of your blood, and Anti-B antibody is added to another. If agglutination (clumping) occurs in both samples, you would conclude that you are blood type (Answer: AB)
18. If someone were dehydrated, you would expect their hematocrit to
(Answer: increase because less liquid means plasma volume would decrease )
Explanation:
I took the test & made an 100%. Also, good luck w/ High School & your final year in school and hopefully college! Wish you the best.
