Chapter 30 Flashcards
inherited disorders of erythrocytes
__________
disorders are characterized by the presence of an abnormal _______ (__)
mutation causes _____ to replaced by _______
is autosomal ___________
sickle cell disease hemoglobin Hb S valine glutamic acid recessive
sickle cell disease is classified
disorder initiated by ________ and _______
hypoxemia
acidosis
Sickle Cell Disease
Sickling is an ________, ________ phenomenon
- decreased _____ tension (__) of the blood (ex. _______)
- increased _________ concentration in the blood (______)
- increased _________, decreased plasma ________, and low _________
occasional, intermittment
oxygen, PO2, hypoxemia
hydrogen ion, decreased pH
plasma osmolality, volume, temperature
sickle cell disease
-___________ crisis (________ crisis)
sickling is in microcirculation, extremely ________ and ________. _______ and _____ exhibit painful swelling (______ syndrome)
this crisis begins with sickling in the microcirculation. As blood flow is ________ by tangled masses of rigid, sickled cells, ______ occurs and a log jam effect brings all blood flow through the vessel to a halt.
vasoocclusive thrombotic painful symmetric hands and feet hand-foot obstructed vasospasm
compensatory erythropoeisis is compromised, thus limiting the number of erythrocytes that are replaced
aplastic crisis
large amounts of blood pool in the liver and the spleen
sequestrian crisis
sickle cell disease
crisis occurs in association with certain drugs or infection
rate of RBC destruction is ___________
hyperhemolytic crisis
accelerated
sickled red blood cells attach to the __________ of the injured, underventilated and inflamed _____ and fail to be ________
acute chest syndrome
endothelium
lung
reoxygenated
in sickle cell anemia, _______ and __________ are not an option
well matched ______ are often difficult to find
bone marrow
stem cell
donors
_______: classic hemophilia, factor ___ deficiency, _______ recessive that affects ____
_______: (christmas disease): factor __ deficiency
hemophilia A VIII, x-linked men hemophilia B IX