Blood-19

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The most common blood type is

type O

Which of the following vitamins is needed for the formation of clotting factors?

vitamin K

Platelets Abundance: average number per μl (average)

350,000 (range: 150,000-500,000)

Hematocrit normal range

37-54%

The cardiovascular system of an adult female contains

4-5 liters (4.2-5.3 quarts) of whole blood

RBCs/μl in females

4.2-5.5 million RBCs/μl

RBCs/μl in males

4.5-6.3 million RBCs/μl

The cardiovascular system of an adult male contains

5-6 liters (5.3-6.4 quarts) of whole blood

RBC Abundance (average number per μl)

5.2 million (range: 4.2-6.3 million)

Leukocytes Abundance (average number per μl)

7000 (range: 5000-10,000)

Antigens of the surface of red blood cells are also called ____ and antibodies in the blood plasma are also called _____.

Agglutinogens; Agglutinins

____is a condition in which the oxygen-carrying capacity of the blood is reduced.

Anemia

Which of the following white blood cells are mobile?

Neutrophils and monocytes*

In what way does blood assist in immune function?

Plasma antibodies and white blood cells defend against pathogens.

Identify the cell labeled "5"

answer: monocyte 1. erythrocyte (RBC) 2. neutrophil 3. eosinophil 4. basophil 5. monocyte 6. lymphocyte 7. platelets

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

antibodies

A fibrin network that contains trapped blood cells and platelets is called a(n)

blood clot

When carbon dioxide is bound to hemoglobin it is termed

carbaminohemoglobin

When hemoglobin does not have oxygen bound to hemoglobin it is termed

deoxyhemoglobin

The process of fibrinolysis

dissolves clots

Approximately 45 percent of blood volume is composed of the

formed elements

The waste product bilirubin is produced from

heme molecules lacking iron

Consider the following results from a blood test. Which value is most likely abnormal? -platelets: 280,000/μl -RBCs: 5.2 million/μl -hematocrit: 44 percent -leukocytes: 8600/μl -hemoglobin: 10.7 g/100 ml

hemoglobin: 10.7 g/100 ml

Excess iron is stored in the liver and spleen as

hemosiderin and ferritin

Mary is tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that

her hemoglobin level is normal

Identify the cell labeled "6"

lymphocyte

The primary reason males have a higher hematocrit than females is because

males have androgens

Macrophages develop from

monocytes

Identify the cell labeled "2"

neutrophil

A patient has an infected puncture wound to her foot. Which type of white blood cell would you expect to be elevated in a differential white cell count?

neutrophils

During a bacterial infection you would expect to see increased numbers of

neutrophils

During a bacterial infections you would expect to see increased numbers of

neutrophils

When hemoglobin is saturated with oxygen atoms it is termed

oxyhemoglobin

Surgical removal of the stomach could cause

pernicious anemia

A person's blood type is determined by the

presence of specific glycoproteins on the cell membrane

Erythropoietin is a hormone

released by the kidney to stimulate red blood cell formation

Which of the following would you expect to see in increased numbers in a peripheral blood sample after donating a unit of blood?

reticulocytes

Blood that has clotting proteins removed is termed

serum

Aged and damaged erythrocytes are broken down by macrophages in the

spleen, liver, and bone marrow

How would removal of calcium ions from a blood sample affect coagulation?

Coagulation would be prevented

Which white blood cell is most effective against parasitic infections?

Eosinophils

Monocytes can be stimulated by which of the following colony-stimulating factors?

M-CSF, GM-CSF, multi-CSF

_________ are immature erythrocytes that are present in the circulation

Reticulocytes

The clumping of red blood cells, when the specific antibody against the antigen on the cells is added, is called

agglutination

Which plasma protein transports fatty acids and some hormones?

albumin

You have spent 24 hours traveling from the U.S to New Zealand, on quite a few airplanes with many stops. Because of the stress, changes in time zones, and short blocks of time between planes, you find yourself tired with a headache when you arrive. You are severely dehydrated. A hematocrit value of your blood would be ________ than normal because ________.

higher; you have less blood plasma volume

Which of the following descriptions best matches the term colony stimulating factor?

hormone that regulates white blood cell formation


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