Human Biology Ch.6 - Blood

How many globin chains are found in hemoglobin?

4

What percentage of carbon dioxide carried in blood is dissolved in plasma?

7%

Robby has type B positive blood. His blood will contain

B and Rh antigens, and anti-A antibodies.

Blood clotting requires 12 clotting factors and calcium ions (Ca2+) to ensure that plasma and the formed elements leave the blood vessels.

False

The ABO antigens and Rh antigens are the only blood groups considered before a transfusion.

False

White blood cells are like red blood cells in that they only live for a matter of days.

False

If blood clotting does not occur correctly, what could happen?

Formed elements and plasma would not remain in the blood.

Ray is considered a universal donor. His blood type is

O.

Jena and Seth could have a child with hemolytic disease of the newborn. Jena must be

Rh-negative.

Robby could not produce the enzyme adenosine deaminase. As a result, he suffered from

SCID.

A person will have antibodies against any blood antigens different from his or her own, regardless of whether he or she has had a transfusion or not.

True

Blood plays an important role in homeostasis.

True

Excess tissue fluid becomes lymphatic fluid that eventually enters the bloodstream.

True

Hemophilia is a genetic clotting disorder.

True

Hormones produced by the endocrine system regulate blood volume and blood cell formation.

True

If mom has already developed anti-Rh antibodies during her first pregnancy, a RhoGAM shot will not help her second pregnancy.

True

Red blood cells are unable to undergo mitosis.

True

The most abundant component of plasma is water.

True

What are the most abundant plasma proteins that also establish the osmotic pressure of the plasma?

albumins

If a person does not have enough iron in the diet, he or she may suffer from

anemia.

Jennifer received a gamma globulin shot after being exposed to hepatitis. The gamma globulins served what function?

antibodies

B lymphocytes are associated with

antibody production.

Agglutination refers to the

clumping of red blood cells

The production of leukocytes is regulated by

colony stimulating factor

Cytotoxic T cells have the ability to

destroy pathogens

In someone with terrible allergies, what leukocyte levels would be elevated?

eosinophil, basophil

RBCs are better known as ________ and WBCs are better known as ________.

erythrocytes; leukocytes

What hormone produced in the kidneys stimulates production of red blood cells?

erythropoietin

If there is a problem with clotting, what plasma proteins may be involved?

fibrinogens

The two major components of blood are

formed elements and plasma

If your skin and the whites of your eyes appear yellow, what is not being excreted?

heme

Which part of the hemoglobin molecule actually binds the oxygen molecule, and which part binds carbon dioxide?

heme; globin chain

What makes blood red?

hemoglobin

How does the muscular system benefit the blood?

keeps blood moving through the heart and vessels

Which term refers to uncontrolled growth of white blood cells?

leukemia

Which of the following are agranular leukocytes?

lymphocytes and monocytes

Monocytes are large blood cells that differentiate into

macrophages.

With respect to antigens and antibodies, what do type O negative and type AB positive blood have in common?

nothing

The most abundant organic molecules in blood are called the

plasma proteins.

Which of the following are actually cell fragments and not whole cells?

platelets

After blood clots, the yellowish fluid that escapes from the clot is called

serum.

What gives rise to all the formed elements of the blood?

stem cells

The vitamin necessary for fibrinogen and prothrombin formation (found in green vegetables and released by intestinal bacteria) is

vitamin K.