Blood / Heart (chp 10 & chp 11)
Part A - ABO Blood Antigens The ABO blood groups are based on which of two antigens, type A or type B, a person inherits.
A person with blood type B has antigen B on his or her RBCs. A person with blood type O has neither A nor B antigen on his or her RBCs. A person with blood type A has antigen A on his or her RBCs. A person with blood type AB has both A and B antigens on his or her RBCs.
When typing a patient's blood, agglutination occurred with anti-A and anti-Rh antibodies. What is this patient's blood type?
A positive
Which of these functions to maintain osmotic pressure and pH balance?
albumin
Where is the hepatic portal vein located?
between the stomach, intestines, and the liver
What triggers the adherence of platelets to the wall of an injured blood vessel?
collagen fibers
- Hemolytic Disease of the Newborn In the case of pregnancy, the danger lies in a sensitized Rh- mother carrying an Rh+ fetus. How does this harm the fetus?
rh- mother delivers healthy first rh+ baby rh mother is exposed to rh+ antigens rhi- mother makes anti rh- antibodies rh- mother pregnant with 2nd baby anti rh bodies cross the placenta anti rh destroy rh+ baby's RBCs
Which of these layers is found in capillary walls?
tunica intima
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
Which of these will increase arterial blood pressure (BP)?
vasoconstriction of arteries
Rh antigens are separate from ABO antigens and were originally discovered in Rhesus monkeys. Select all correct statements about Rh antigen.
An Rh- mom carrying her second Rh+ fetus is at risk for hemolytic disease of the newborn. Anti-Rh antibodies are not automatically made, unlike the antibodies in ABO blood groups.
Figure 11.10b
page 371
Anatomy of Capillary bed Figure 11.12a-b
page 373
Which of these formed elements is responsible for stopping bleeding?
platelet
Which of these describes a fenestrated capillary?
special capillary type with small pores found in tissue where absorption is important
What term refers to the contraction of the heart?
systole