Blood-19
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