BT: Test 3: Blood

Question 1

Hemostasis consists of:

Answer 1

d) all answers are correct

• vascular spasm
• platelet plug formation
• changes of fibrinogen to fibrin

Question 2

Blood Group A patient has:

Answer 2

d) all answers correct

• has antigen A on the surface of erytrocytes
• has anti-B antibodies in the blood plasma
• can be Rh(-) or Rb(+)

Question 3

Aglutinogenes are:

Answer 3

b) antigenes

Question 4

Proper number of RBC in one mm^3 is:

Answer 4

c) 4500000-6000000/mm^3

Question 5

Blood plasma contains:

Answer 5

c) contains 90% of water (10%solutes)

Question 6

Globulins found in blood plasma:

Answer 6

d) all answers correct

• accounts for about 36% of plasma proteins
• are responsible for lipid transport
• are responsible for immune reactions

Question 7

Hematocrite:

Answer 7

a) is the ratio of morphotic blood elements to total blood volume

Question 8

One hemoglobin molecule consists of:

Answer 8

b) 2 alpha and 2 beta subunits

Question 9

Hemolytic disease in the newborns is:

Answer 9

b) can happen during second pregnancy ( Slide 61)

Question 10

Blood is responsible for acid-base balance regulation and plays an important role in thermoregulation:

Answer 10

a) yes, both parts of this sentence are true

Question 11

Major types of plasma proteins are:

Answer 11

b) albumins, globulins and fibrinogen

Question 12

Albumins are responsible mostly for:

Answer 12

a) maintaining oncotic pressure of the blood (account for 60% of plasma proteins)

Question 13

What’s the number of neutrophilis in the blood of a healthy person?

Answer 13

a) about 60-70% of total WBC

Question 14

Substances necessary for erythropoesis are:

Answer 14

a)iron, vitamin B12, folic acid, amino acids

Question 15

Hemolytic disease in newborns can happen when:

Answer 15

a)mother is Rh(-) and child is Rh(+)

Question 16

Total body water is:

Answer 16

d) answers b+c correct

• is about 50% of the body weight in women
• is about 60-63% of the body weight in men

Question 17

Megakaryocytes is a/an:

Answer 17

c) cell that produces thrombocytes

Question 18

What happens to iron from destroyed old erythrocytes?

Answer 18

a) is transported to the red bone marrow and used to form new hemoglobin molecules

Question 19

In hypertonic solutions erythrocytes:

Answer 19

a)shrink

Question 20

Reticulocytes

Answer 20

b) have no nucleus