Deck 13: Blood

Question 1

In an adult,where can red bone marrow be found?

A) The medullary cavity of long bones only
B) The pelvis only
C) All bones
D) The ends of long bones and in flat,irregular bones

Answer 1

D

Question 2

A person's ABO blood type identifies

A) the type of antigens on the red blood cell.
B) the type of antigens in the plasma.
C) the type of antibodies on the red blood cell.
D) the type of antibodies in the plasma.

Answer 2

A

Question 3

What causes platelets to become sticky platelets?

A) The formation of fibrin threads
B) The exposure of collagen fibers
C) The activation of factor X
D) The initial spasm in the blood vessel

Answer 3

B

Question 4

What is the role of prothrombin activator in the clotting process?

A) It converts prothrombin into thrombin.
B) It converts thrombin into prothrombin.
C) It activates thrombin,which causes platelets to aggregate.
D) It transforms thrombin into fibrin threads.

Question 5

A diet rich in which mineral is crucial for hemoglobin synthesis?

A) Calcium
B) Iron
C) Zinc
D) Potassium

Question 6

During hemoglobin recycling,heme is initially broken down into

A) amino acids.
B) erythropoietin.
C) iron and bilirubin.
D) bile.

Question 7

The extrinsic clotting pathway is triggered when

A) the skin surface releases clotting factors.
B) the circulating platelets activate the various clotting factors.
C) platelets begin to adhere to the damaged vessel wall.
D) the damaged blood vessel and surrounding tissues release clotting factors.

Question 8

A patient's laboratory report shows an increased number of reticulocytes.What is a possible cause for this finding?

A) A bone marrow disorder resulting in anemia
B) A liver disorder resulting in increased plasma protein levels
C) A move to higher altitude
D) A move to lower altitude

Question 9

The stimulus for the production of new red blood cells is

A) decreased levels of hemoglobin in the blood.
B) declining oxygen levels.
C) increased carbon dioxide levels.
D) decreased levels of iron.

Question 10

What is the final step before a blood clot forms?

A) Prothrombin transforms into thrombin.
B) Platelets become sticky and accumulate at the site of injury.
C) Thrombin transforms fibrinogen into fibrin.
D) Plasminogen transforms into plasmin.

Question 11

The two types of hematopoietic tissue found in the body are located in

A) yellow bone marrow and the spleen.
B) red bone marrow and the liver.
C) red bone marrow and lymphatic tissue.
D) lymphatic tissue and the liver.

Question 12

A person with O blood has

A) the type O antigen and anti-A and anti-B antibodies.
B) neither the A nor the B antigen and neither anti-A nor anti-B antibodies.
C) neither the A nor the B antigen and both anti-A and anti-B antibodies.
D) both the A and B antigens and no antibodies.

Question 13

A patient's laboratory report shows that the number of eosinophils is high.What is the most likely cause?

A) Leukemia
B) Allergy
C) Dehydration
D) Clotting disorder

Question 14

An immature erythrocyte is called a

A) myeloblast.
B) megakaryocyte.
C) progranulocyte.
D) reticulocyte.

Question 15

What is the most numerous formed element in blood?

A) White blood cells
B) Platelets
C) Basophils
D) Red blood cells

Question 16

What is the first stage of hemostasis?

A) Activation of prothrombin
B) Activation of factor X
C) Formation of sticky platelets
D) Vascular spasm

Question 17

What is the normal life span of a red blood cell?

A) 12 days
B) 12 weeks
C) 120 days
D) 12 months

Question 18

During hemoglobin recycling,the iron portion of hemoglobin is

A) transported to the liver and used to create new proteins.
B) excreted in the intestines.
C) transported to bone marrow and used to create new hemoglobin.
D) transported to the spleen and used in red blood cell production.

Question 19

What is erythropoietin (EPO)and how is it secreted?

A) It is secreted by the kidneys in response to low oxygen levels.
B) It is secreted by the liver in response to low hemoglobin levels.
C) It is secreted by bone marrow in response to decreasing numbers of red blood cells.
D) It is secreted by the spleen in response to an increased number of damaged red blood cells.

Question 20

Which vitamin is necessary for the synthesis of clotting factors?

A) Vitamin C
B) Vitamin K
C) Vitamin E
D) Vitamin D

Question 21

The red pigment filling the interior of a red blood cell is ____________________.

Question 22

The fewest of the formed elements are ____________________.

Question 23

The percentage of red cells in a sample of blood is called the ____________________.

Question 24

The clear extracellular matrix of blood is called ____________________.

Question 25

All blood cells can trace their beginnings to a specific type of bone marrow cell called a ____________________ cell.

Question 26

The process of clot dissolution is called ____________________.

Question 27

The term used to describe the thickness or stickiness of blood is ____________________.

Question 28

The production of blood is called ____________________.

Question 29

Each red blood cell carries a protein called an ____________________.

Question 30

Which of the following statements about Rh-negative blood is true?

A) It lacks the Rh antigen
B) It normally contains anti-Rh antibodies.
C) Most Americans have Rh-negative blood.
D) A severe reaction will occur the first time someone with Rh-negative blood is exposed to Rh-positive blood.

Question 31

One hemoglobin molecule can bind with ____________________ molecules of oxygen to form ____________________.

Question 32

The process of producing new red blood cells is called ____________________.