Lab Test Review 1.txt

6. The combination of plasma and formed elements is called

A. packed blood
B. extracellular fluid
C. whole blood
D. serum
E. lymph

11. All of the following are true of the nervous system, except that it doesn’t

A. function independently of the endocrine system.
B. respond rapidly to stimuli.
C. respond with motor output.
D. respond specifically to stimuli.

12. Which of these is not one of the formed elements of blood?

A. RBCs
B. platelets
C. antibodies
D. basophils
E. lymphocytes

13. The most abundant component of plasma is

A. proteins
B. gases
C. water
D. nutrients
E. ions

14. A bruise appears as a greenish spot in the skin because

A. bilirubin from hemoglobin recycling has built-up in the bruise.
B. dead white blood cells accumulate at the site of injury.
C. hemoglobin has leaked from the blood into the injury and hemoglobin has a green color.
D. red blood cells are green when they leave circulation.
E. the heme group in the hemoglobin has broken down into biliverdin.

15. The heart is known to secrete all of the flowing hormones, except

A. ANP
B. BNP
C. thymosin and thyroxin
D. thymosin
E. thyroxine

16. The condition known as hirsutism can result from too

A. much androgen production
B. little TSH
C. much ACTH
D. little glucagon
E. much insulin

17. The function of platelets is to assist in the

A. removal of worn out red blood cells
B. immune response during an infection
C. all of the answers are correct
D. destruction of bacteria
E. transport of blood gases such as oxygen

18. Proper growth requires which of these hormones?

A. calcitriol
B. growth hormone
C. insulin
D. all of the answers are correct
E. thyroid hormone

19. Which of the following elements is necessary for the production of thyroid hormone?

A. iodine
B. sodium
C. iron
D. colloid
E. potassium

20. Each of the following is a characteristic of whole blood, except a

A. pH of 7.4
B. viscosity about the same as water
C. built-in system for clotting
D. deep red color from hemoglobin
E. temperature of approximately 38 degrees Celsius