Chapter 19: Blood

Question 1

Which of the following statements about blood is false?

a. blood contains buffers that control pH
b. the normal pH of blood is 6.8-7.0
c. blood is more viscous than water
d. blood is abt 55% plasma
e. cells in blood comprise the formed elements

Answer 1

b. the normal pH of blood is 6.8-7.0

why: pH between 7.35-7.45 (slightly alkaline)

Question 2

Which of the following is not one of the formed elements of blood?

a. RBCs
b. Platelets
c. antibodies
d. lymphocytes
e. basophils

Answer 2

c. antibodies

why: formed elements include buffy coat (platelets, leukocytes, neutrophils, monocytes, lymphocytes, basophils, eosinophils) and hematocrit (erythrocytes)

antibodies are found in

Question 3

The proteins that are the major contributors to plasma osmolarity is/are

a. globulins
b. albumins
c. fibrinogen
d. lipoprotein
e. transferrin

Answer 3

b. albumens

why:

Question 4

Eileen is a strict vegan. She develops an anemia that her dr thinks is caused by nutrient deficiency. Which of the following is the likeliest candidate?

a. aplastic anemia
b. sickle cell anemia
c. vitamin K deficiency
d. vitamin B6 deficiency
e. iron-deficiency anemia

Answer 4

e. iron-deficiency anemia

why: inadequate intake of iron from vegan diet

Question 5

Non-specific immunity, such as phagocytosis, is a function of which blood cells?

a. neutrophils, eosinophils, and monocytes
b. lymphocytes and monocytes
c. platelets
d. lymphocytes

Answer 5

a. neutrophils, eosinophils, and monocytes

Question 6

All of the following are true of neutrophils except that they are

a. granular leukocytes
b. phagocytic
c. also known as polymorphonuclear leukocytes
d. important coagulation (blood clotting)
e. active in fighting bacterial infections

Answer 6

d. important coagulation (blood clotting)