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WHNP Patho Exam 3 Questions And Correct Answers
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WHNP Patho Exam 3 Questions And Correct AnswersWhich of the following is a true statement?
A. In a transfusion reaction there is agglutination of the donor blood
B. Shutdown of the kidneys following a transfusion reaction takes several weeks
C. Blood transfusion of Rh+ blood into any Rhrecipient will always result in a transfusion
reaction
D. A person with type O blood is considered a universal donor - ANSWER A. In a
transfusion reaction there is agglutination of the donor blood
A 52-year-old female with type 1 diabetes has had progressive renal failure over the
past three years. The patient is not on dialysis and her examination is without
abnormalities. Her hemoglobin is 9 g/dl, hematocrit 29%, and mean corpuscular volume
92 fL, and a blood smear shows normocytic, normochromic cells. Which of the following
is the most likely cause of the anemia?
A. Acute blood loss
B. Pernicious anemia
C. Sickle cell disease
D. Erythropoietin deficiency
E. Hemolytic anemia
F. Polycythemia vera -ANSWER D. Erythropoietin deficiency
Which of the following anemias has normocytic RBCs?
A. Hemolytic anemia
B. Vitamin B12 deficiency
C. Folate deficiency
D. Anemia of chronic disease - ANSWER A. Hemolytic anemia
,A healthy 3-year-old girl presents to the emergency department with a chief complaint
of severe, uncontrolled nosebleed. She has a history of repeated ear infections which
somewhat improved after the administration of treatment. Temperature is elevated.
There are multiple small bruises evident on her arms and legs. Her laboratory studies
reveal: Hemoglobin 4.6 g/dLLeukocyte count 3,000/mm3 Reticulocyte count
0.1%Platelet count 12,000/mm3Which of the following represents the most likely
explanation for these findings?
A. Anemia due to blood loss
B. Aplastic anemia
C. Sickle cell disease
D. Mononucleosis - ANSWER B. Aplastic anemia
In the 5 month (middle trimester) fetus hematopoiesis is most active in the:
A. Yolk sac
B. Spleen
C. Liver
D. Bone marrow - ANSWER C. Liver
8. Following the donation of a unit of blood, how long before hematocrit begins to
increase?
A. One hour
B. Two hours
C. 24 hours
D. Five days
E. Two weeks - ANSWER D. Five days
Which of the following describes a cell that has a diameter of 9 m and an MCV of 106?
A. Macrocyte
B. Microcyte
C. Normal
, D. Either normal or slightly microcytic - ANSWER A. Macrocyte
What are the laboratory findings in polycythemia vera?
A. Decreased hemoglobin and/or hematocrit, increased RBCs and granulocytes,
decreased platelets
B. Increased hemoglobin and/or hematocrit; increased RBCs, granulocytes, and
platelets
C. Normal hemoglobin and hematocrit, normal RBCs, increased granulocytes and
platelets
D. Increased hemoglobin and/or hematocrit, increased RBCs, decreased granulocytes
and platelets - ANSWER B. Increased hemoglobin and/or hematocrit; increased RBCs,
granulocytes, and platelets
Regarding erythropoietin, choose the best answer:
A. Erythropoietin is mainly secreted by the liver
B. Injection of erythropoietin results in a rapid increase in the number of circulating red
blood cells within the next 48 hours
C. Excessive exposure to x-rays with destruction of the bone marrow leads to increased
erythropoietin secretion
D. Erythropoietin acts on the spleen by decreasing the destruction of red blood cells -
ANSWER C. Excessive exposure to x-rays with destruction of the bone marrow leads to
increased erythropoietin secretion
Which is the safest and least costly treatment for patients with polycythemia vera?
A. High altitude
B. Decrease of iron levels
C. Therapeutic phlebotomy
D. Reduction of erythropoietin levels - ANSWER C. Therapeutic phlebotomy
A mother of blood group A+ who has always been in perfect health has just delivered her
second child. The father is of blood group O-. Knowing that the child is of blood group O-
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