Chapter 14 Blood in Transport
Which of the following indicates a normal white blood cell count?
10,000 per mm3
Red blood cells survive around ______ days.
120
Red blood cells live around ______ before they disintegrate.
120 days
What is a normal platelet count?
130,000-360,000
Each red cell contains about _____% of its volume as the pigment hemoglobin.
33
How much of the plasma is protein?
7%
What is the most significant factor that helps maintain blood osmotic pressure?
Blood proteins
Which mineral is essential for coagulation to occur?
Ca2+
Which chemical initiates that extrinsic phase of clotting?
Thromboplastin
Sedentary people with elevated triglyceride levels who continue to eat fatty foods are likely to have high levels of ____________ in their bloodstream.
Very low density lipoprotein (VLDL)
Which of the following is least essential for erythrocyte development?
Vitamin B-6
Which dietary component(s) is/are needed for DNA synthesis, and thus greatly influence the production of red blood cells?
Vitamin B12 and folic acid
Which of these is a procoagulant?
Vitamin K
Which molecules are the sources of most antibodies?
gamma globulin
The percentage of blood cells in whole blood is called ______.
hematocrit
The precursor of all lines of blood cells
hemocytoblast
Which of these is the earliest of this cell line?
hemocytoblast
The type of anemia that is fairly common and caused by insufficient dietary iron is ______________.
iron deficiency anemia
Which of the following is not a site of red blood cell production in the fetus? Bone marrow Kidney Liver Spleen
kidney
Which organ has a primary role in stimulating blood cell formation?
kidney
An acute infection would show up in a blood count as _________.
leukocytosis
The condition called _____ is evidenced by a DIFF over 10,000 per cubic mm of whole blood.
leukocytosis
Which organ has the greatest role in synthesizing most blood nutrients?
liver
Which leukocyte does NOT have phagocytic properties?
lymphocyte
Which of the following is a young platelet? Proganulocyte Basophilic band cell Monoblast Megakaryoblast
megakaryoblast
Which of these did NOT develop from a myeloblast?
monocyte
The largest cells in the blood that leave the bloodstream to become macrophages are the ________.
monocytes
Which leukocytes are the largest in the peripheral blood?
monocytes
What converts fibrinogen to fibrin?
thrombin
Which of the following is NOT always present in the blood?
thrombin
Which clotting factor is released from damaged tissue, and initiates a chain of clotting events?
tissue thromboplastin
During protein catabolism, _______ is produced as an end product by the liver.
urea
What is the most common component in the plasma?
water
The type of white blood cell that is often the first to arrive at the site of infection is a granulocyte and contains granules that stains light purple is a ________.
neutrophil
Which cells are also called polymorphonuclear leukocytes?
neutrophils
Which white blood cells are the most common?
neutrophils
Which of the following directly defines the transportation of oxygen?
oxyhemoglobin
Which condition is caused by a deficiency of vitamin B12?
pernicious anemia
Which of these can dissolve a blood clot?
plasmin
Megakaryocytes will differentiate into _____.
platelets
Which components are the source of serotonin which causes smooth muscle cells to contract?
platelets
Which components of whole blood account for clotting?
platelets
Which condition is characterized by an abnormal increase in red blood cell count?
polycythemia
Who is at risk for developing a fatal Rh incompatibility?
second Rh+ fetus of Rh- mother
Which blood components transport most of the gases?
erythrocytes
Which is the last molecule to appear in a clotting reaction?
fibrin
Which is the rarest ABO blood type?
AB
Select the statement about red blood cells that is incorrect.
Deoxyhemoglobin is saturated with oxygen.
Which of these does NOT belong with the others?
Globin
Which of these has the highest proportion of protein?
HDL
Which cells release antibodies into the circulation?
Plasma cells?
Which lipoprotein contains the highest proportion of cholesterol?
Low-density lipoprotein (LDL)
Which of these cells should not be grouped together?
Lymphocyte
Which of the following is an agranulocyte? neutrophil monocyte basophil eosinphil
Monocyte
When red blood cells are worn out, part of their components are recycled while others are disposed. Select the incorrect statement about destruction of RBCs.
The greenish pigment, biliverdin, is recycled to the bone marrow.
What is the most common cancerous condition in children?
acute lymphoid leukemia
Which is the most abundant of the plasma proteins?
albumin
A person with eosinophilia, or greater than normal numbers of eosinophils, is most likely suffering from _______.
allergies or internal parasites
Which plasma proteins help transport lipids in the bloodstream?
alpha and beta globulins
Which type of condition is directly related to bone marrow suppression?
aplastic anemia
Which of the following is a probable cause of leukocytosis?
appendicitis
The ______ cells are the usual sources of heparin.
basophil
Which cells are the rarest leukocytes?
basophils
Which blood cell can be described as being a biconcave disc?
erythrocyte
Which cell has no nucleus when it is mature?
erythrocyte
Choose the correct order for the steps of hemostasis.
blood vessel spasm, platelet plug formation, blood coagulation
Which of these is mainly comprised of triglycerides?
chylomicron
Which factor promotes the appearance of the platelet plug?
collagen
The ability called ______ explains how a white blood cell could be found in the urine.
diapedesis
The _______ cells are actively involved with allergies.
eosinophil
