Chapter 10 - Homework
What term refers to a deficiency of white blood cells?
leukopenia
What type of anemia is associated with atrophy of the stomach mucosa in the elderly?
pernicious anemia
What is the basis of the ABO blood groups?
presence or absence of A and B antigens on the surface of RBCs
Which anemia is caused by a genetic mutation?
sickle cell anemia
Which clotting factor converts fibrinogen to fibrin?
thrombin
What blood type has both anti-A and anti-B antibodies in their plasma?
type O
What blood type can a person with O negative blood receive in a transfusion?
type O negative
Which of these occurs first in hemostasis?
vascular spasm
Rh antigens are separate from ABO antigens and were originally discovered in Rhesus monkeys.
-Anti-Rh antibodies are not automatically made, unlike the antibodies in ABO blood groups. -An Rh- mom carrying her second Rh+ fetus is at risk for hemolytic disease of the newborn. Submit
In the case of pregnancy, the danger lies in a sensitized Rh- mother carrying an Rh+ fetus. How does this harm the fetus? (IN ORDER)
1. Rh- mother delivers healthy first Rh+baby and is exposed to the Rh+ antigens 2. Rh- mother makes anti-Rh antibodies. 3. Rh- mother is pregnant with second Rh+ baby. 4. Anti-Rh antibodies cross the placenta. 5. Anti-Rh antibodies destroy Rh+ baby's RBCs.
What triggers the adherence of platelets to the wall of an injured blood vessel?
collagen fibers
Which of the following is characteristic of whole blood?
five times the viscosity of water
Which cell is the precursor of all types of blood formed elements?
hemocytoblast
What disorder is associated with a deficiency of clotting factors?
hemophilia
Pernicious anemia is caused by insufficient absorption of vitamin B12. What substance is lacking or in low concentrations that causes this condition?
intrinsic factor
Which blood cells are responsible for fighting infections?
leukocytes
Which of these is a plasma electrolyte?
Chloride
When typing a patient's blood, agglutination occurred with anti-A and anti-Rh antibodies. What is this patient's blood type?
A positive
O- and AB+ are two of the least common blood types. What are some of the characteristics of these two blood types?
AB+ : Agglutinate with anti-A sera, Agglutinate with anti-B sera, A antigen, B antigen, Rh antigen, Universal recipient O- : Anti-A antibody, Anti-B antibody, Universal donor
Select the correct statement related to antigens and antibodies.
Antigens and antibodies have specificity.
During blood typing, clumping occurs when a sample of blood is mixed with anti-B and anti-Rh, but no reaction is observed when the blood is mixed with anti-A. What is this sample's blood type?
B positive.
What is the blood type of a person with B and Rh antigens on the surface of his/her red blood cells?
B positive.
Which leukocytes release histamine during the inflammatory response?
Basophils
Which blood type is considered the universal donor?
O negative.
Which of these formed elements is responsible for stopping bleeding?
Platelet
Select the correct option about Sara's blood type observed in the audio tour.
Sarah has A agglutinogens on the surface of her red blood cells and anti-B agglutinins in her blood plasma.
a) A person with blood type _____ has both A and B antigens on their RBCs b) A person with blood type _____ has neither A nor B antigen on their RBSs c) A person with blood type _____ has antigen A on their RBCs d) A person with blood type _____ has antigen B on their RBCs
a) AB b) O c) A d) B
a) A person with type B+ blood could receive _____, _____, _____, or _____ b) A person with type AB- blood could receive _____, _____, _____, or _____ c) A person with type O+ blood could receive _____ or _____ d) A person with type A- blood could receive _____ or _____
a) O-, O+, B+, B- b) O-, B-, A-, AB- c) O-, O+ d) O-, A-
a) The root word __________ means "blood" b) The root word __________ means "deficiency" c) The root word __________ means "red" d) The root word __________ means "white" e) The root word __________ means "related to clotting"
a) hema- b) -penia c) erythro- d) leuk- e) thromb-
a) The stem cell for all blood cells is the __________ b) __________ is a platelet deficiency c) The main protein involved in clotting is __________ d) A(n) __________ is a red blood cell e) A(n) __________ is a white blood cell
a) hemocytoblast b) thrombocytopenia c) thrombin d) erythrocyte e) leukocyte
a) Clot enhancers b) Clot inhibitors c) Neither an enhancer or an inhibitor
a) tissue factor, PF3, calcium ions, thrombin, fibrinogen, vitamin K b) Asprin, Heparin, Coumadin c) Serum
What is the protein found in blood plasma that acts to keep water in the bloodstream?
albumin