Chapter 19

How would T3/T4 (thyroid) hormones travel via the blood?

T3/T4 will bind to a transport protein Because T3/T4 are lipid soluble they need transport proteins to be distributed evenly into the blood.

Which of the following characteristics is not associated with platelets?

They are incapable of oxidative catabolism.

The most abundant component of plasma is:

Water

In the common pathway of coagulation, what factor combines with factor Va and calcium ions to form prothrombin activator?

Xa

Carbohydrate groups on the surfaces of erythrocytes determine blood type and are known as:

antigens

What ions are necessary for both the intrinsic and extrinsic pathways to the coagulation cascade?

calcium ions

When is fibrin produced during the coagulation cascade?

common pathway

The process of red blood cell production is known as:

erythropoiesis

Bilirubin comes from the breakdown of:

heme molecules of hemoglobin that lack iron.

What is the oxygen-binding protein found in erythrocytes?

hemoglobin

Which type of leukocyte may produce antibodies?

lymphocyte

Platelets are cell fragments formed from:

megakaryocytes

Platelets form from large cells called __________.

megakaryocytes

During leukopoiesis, neutrophils are derived from __________.

myeloblasts

When fibrin levels increase, thrombin production is inhibited. This is an example of a __________.

negative feedback loop

What is the most common type of leukocyte in a healthy adult?

neutrophil

What blood type is considered the universal donor?

o-

Jerry is an alcoholic and does not eat enough food. He has been diagnosed with a vitamin deficiency. What blood disorder is the most likely a result of this deficiency?

pernicious anemia

When blood is centrifuged, what is found in the buffy coat?

platelets and leukocytes

Which organ traps older erythrocytes so they will be removed from circulation?

spleen

The enzyme that coverts fibrinogen to fibrin is __________.

thrombin

The process by which a blood clot dissolves is called __________.

thrombolysis

Where do T lymphocytes mature?

thymus gland

Which of the following is not one of the functions of blood?

to protect vital organs

The function of red blood cells is to:

transport oxygen and carbon dioxide.

Select the appropriate pathway for the steps of hemostasis.

vascular spasms, platelet plug formation, coagulation, clot retraction, thrombolysis

What vitamin is necessary for the proper production of functional clotting factors in the liver?

vitamin K

How much blood does the average adult have?

5 L

Which of the following is considered a normal blood pH?

7.40

Which of the following donors will be suitable for a recipient with type A+ blood?

A donor with O- blood

Mr. Ramirez, whose blood type is AB-, has been injured and requires a blood transfusion. Which blood type may be acceptable for Mr. Ramirez to acquire?

B-

Which of the following characteristics is not associated with erythrocytes?

Capable of protein synthesis

A patient comes in with a parasitic worm infection. Which of the following blood cell count would you likely see increased?

Eosinophil count would increase because it fights of parasitic worm infections

What organ secretes most of the plasma proteins?

Liver