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Question 1
2 / 2 pts
In hemolytic anemia, jaundice occurs only when
the patient has elevations in aspartate transaminase (AST) and alanine transaminase (ALT).
heme destruction exceeds the liver’s ability to conjugate and excrete bilirubin.
the erythrocytes are coated with an immunoglobulin.
erythrocytes are destroyed in the spleen.
Question 2
2 / 2 pts
Symptoms of polycythemia vera are mainly the result of
destruction of erythrocytes.
neurologic involvement.
increased blood viscosity.
a decreased erythrocyte count.
Question 3
2 / 2 pts
The underlying disorder of _____ anemia is defective secretion of intrinsic factor, which is essential for the absorption of vitamin B12.
Question 4
2 / 2 pts
Pernicious anemia generally requires continued therapy lasting
8 to 12 months.
the rest of one’s life.
until the iron level is normal.
6 to 8 weeks.
Question 5
2 / 2 pts
In some anemias, the erythrocytes are present in various sizes, which is referred to as
Question 6
2 / 2 pts
Untreated pernicious anemia is fatal, usually because of
renal failure.
heart failure.
brain hypoxia.
liver hypoxia.
Question 7
0 / 2 pts
Local signs and symptoms of Hodgkin disease–related lymphadenopathy are a result of
inflammation and ischemia.
obstruction and pressure.
ischemia and pressure.
pressure and obstruction.
Question 8
2 / 2 pts
What is the most common cause of vitamin K deficiency?
An IgG-mediated autoimmune disorder
Liver failure
Total parenteral nutrition (TPN) with antibiotic therapy
Administration of warfarin (Coumadin)
Question 9
2 / 2 pts
Heparin-induced thrombocytopenia (HIT) is described as a(n)
IgG immune-mediated adverse drug reaction that reduces circulating platelets.
hematologic reaction to heparin in which the bone marrow is unable to produce sufficient platelets to meet the body’s needs.
cell-mediated drug reaction in which macrophages process the heparin and platelet complexes that are then destroyed by activated cytotoxic T cells.
IgE-mediated allergic drug reaction that reduces circulating platelets.
Question 10
2 / 2 pts
Which proinflammatory cytokines are responsible for the development and maintenance of DIC?
Tumor necrosis factor-alpha (TNF-a); IL-1, IL-6, and IL-8; and platelet-activatingfactor (PAF)
Granulocyte-macrophage colony-stimulating factor (GM-CSF); IL-3, IL-5, and IL-9, and IFN-?
Granulocyte colony-stimulating factor (G-CSF); IL-2, IL-4, and IL-10; and IFN-?
Macrophage colony-stimulating factor (M-CSF); IL-7, IL-11, and IL-14; and PAF
Question 11
2 / 2 pts
G6PD and sickle cell disease are
diagnosed equally in men and women.
inherited autosomal recessive disorders.
inherited X-linked recessive disorders.
disorders initiated by hypoxemia and acidosis.
Question 12
2 / 2 pts
The sickle cell trait differs from sickle cell disease in that the child with sickle cell trait
has the mildest form of the disease with normal hemoglobin and hemoglobin F, which prevents sickling.
has a mild form of sickle cell disease that causes sickling during fever and infection, but not during acidosis or hypoxia, whereas the child with sickle cells disease develops sickling during each of these conditions.
has a milder form of the disease that is characterized by vaso-occlusive crises and is believed to result from higher hemoglobin values and viscosity.
inherited normal hemoglobin A from one parent and Hb S from the other parent, whereas the child with sickle cell disease has Hb S from both parents.
Question 13
2 / 2 pts
Hemolytic disease of the newborn can occur if the mother is
type AB blood and the fetus has type B.
Rh-positive and the fetus is Rh-negative.
Rh-negative and the fetus is Rh-positive.
type A blood and the fetus has type O.
Question 14
2 / 2 pts
What is the name of the disorder in which levels of bilirubin remain excessively high in the newborn and are deposited in the brain?
Icterus gravis neonatorum
Icterus neonatorum
Question 15
2 / 2 pts
In a full-term infant, the normal erythrocyte life span is _____ days, whereas the adult is _____ days.
30 to 50; 80
60 to 80; 120
120 to 130; 150
90 to 110; 140
Question 16
0 / 2 pts
Idiopathic thrombocytopenic purpura (ITP) is an autoimmune process involving antibodies against
Question 17
2 / 2 pts
Cardiac cells can withstand ischemic conditions and still return to a viable state for how many minutes?
Question 18
0 / 2 pts
The risk of developing coronary artery disease is increased up to threefold by
high alcohol consumption.
diabetes mellitus.
Question 19
0 / 2 pts
What alteration occurs in injured endothelial cells that contributes to atherosclerosis?
They are unable to make the normal amount of vasodilating cytokines.
They produce an increased amount of antithrombotic cytokines.
They develop a hypersensitivity to homocysteine and lipids.
They release toxic oxygen radicals that oxidize low-density lipoproteins (LDLs).
Question 20
2 / 2 pts
In systolic heart failure, what effect does angiotensin II have on stroke volume?
Increases preload and decreases afterload
Increases preload and increases afterload
Decreases preload and decreases afterload
Decreases preload and increases afterload
Question 21
2 / 2 pts
What is the most important clinical manifestation of aortic coarctation in the neonate?
Congestive heart failure (CHF)
Cor pulmonale
Cerebral hypertension
Pulmonary hypertension
Question 22
2 / 2 pts
When does most cardiovascular development occur?
Between the 12th and 14th weeks of gestation
Between the eighth and 10th weeks of gestation
By the 28th day of gestation
Between the fourth and seventh weeks of gestation
Question 23
2 / 2 pts
Which heart defect produces a systolic ejection murmur at the right upper sternal border that transmits to the neck and left lower sternal border with an occasional ejection click?
Pulmonic stenosis
Hypoplastic left heart syndrome
Aortic stenosis
Coarctation of the aorta
Question 24
2 / 2 pts
Which congenital heart defects occur in trisomy 13, trisomy 18, and Down syndrome?
Coarctation of the aorta and pulmonary stenosis
Tetralogy of Fallot and persistent truncus arteriosus
Atrial septal defect and dextrocardia
Ventricular septal defect and patent ductus arteriosus
Question 25
2 / 2 pts
The foramen ovale is covered by a flap that creates a check valve allowing blood to flow unidirectionally from the _____ to the _____.
right atrium; left atrium
right atrium; right ventricle
right ventricle; left ventricle
left atrium; left ventricle

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