Select the statement about red blood cells that is incorrect.
|A)||Mature red blood cells lack nuclei.|
|B)||Red blood cells contain hemoglobin.|
|C)||Deoxyhemoglobin carries oxygen.|
|D)||Red blood cells lack mitochondria.|
The precursor of all lines of blood cells is the _______________.
When red blood cells are worn out, part of their components are recycled while others are disposed. Select the incorrect statement about destruction of red blood cells.
|A)||The greenish pigment, biliverdin, is recycled to the bone marrow.|
|B)||Iron is carried to the bone marrow by a protein called transferrin.|
|C)||Biliverdin and bilirubin impart color to bile.|
|D)||Macrophages in the liver and spleen destroy worn out red blood cells.|
Which dietary component(s) is/are needed for DNA synthesis, and thus greatly influence the production of red blood cells?
|C)||vitamin B12 and folic acid|
The type of anemia that is fairly common and caused by insufficient dietary iron is ______________.
|D)||iron deficiency anemia|
The type of white blood cell that is often the first to arrive at the site of infection is a granulocyte, and the member of this group that stains light purple is a _______________.
The largest cells in the blood that leave the bloodstream to become macrophages are the _______________.
A person with eosinophilia, or greater than normal numbers of eosinophils, is most likely suffering from ____________.
|A)||allergies or internal parasites|
|C)||an autoimmune disease|
An acute infection would show up in a blood count as ______________.
|C)||too few helper T cells|
Which plasma proteins help transport lipids in the bloodstream?
|B)||alpha and beta globulins|
Sedentary people with elevated triglyceride levels who continue to eat fatty foods are likely to have high levels of ____________ in their bloodstream.
|A)||high-density lipoprotein (HDL)|
|B)||low-density lipoprotein (LDL)|
|C)||very-low density lipoprotein (VLDL)|
Choose the correct order for the steps of hemostasis.
|A)||blood coagulation, platelet plug formation, blood vessel spasm|
|B)||platelet plug formation, blood coagulation, blood vessel spasm|
|C)||blood vessel spasm, platelet plug formation, blood coagulation|
|D)||blood vessel spasm, blood coagulation, platelet plug formation|
Which clotting factor is released from damaged tissue, and initiates a chain of clotting events?
A person with type AB blood would have ____________ antigens on red blood cells, and ___________ antibodies carried in the plasma.
|A)||A and B; neither anti-A or anti-B|
|B)||Neither A nor B; both anti-A and anti-B|
Erythroblastosis fetalis, also known as hemolytic disease of the newborn, most often occurs in ______________ mothers carrying ______________ fetuses.
|C)||Type A; type O|
|D)||Type B; Type A|
Which blood cell can be described as being a biconcave disc?
The liquid portion of blood is referred to as _____.
Which of the following does not belong with others?
Which of the following directly defines the transportation of oxygen?
|D)||red cell count|
Red blood cells survive around _____ days.
What is the average white blood cell count?
|A)||1 million per mm3|
|B)||15,000 per cm3|
|C)||10,000 per mm3|
|D)||8,000 per mm3|
Which of these cell types should not be grouped with the others?
Which white blood cell is not phagocytic?
Which are the largest of the white blood cells?
Antibodies are defense substances produced by the _____ cells.
Which type of condition is directly related to bone marrow suppression?
|C)||sickle cell anemia|