PNP301 Test 3 Exam UPDATED
QUESTIONS AND CORRECT ANSWERS
Which of the following would result from a reduced number of erythrocytes in the blood?
a. Increased hemoglobin in the blood
b. Decreased hematocrit
c. Increased risk of hemostasis
d. Decreased osmotic pressure of the blood - CORRECT ANSWER B. decreased hematocrit
What term is used to describe a deficit of all types of blood cells? - CORRECT ANSWER
Pancytopenia = decreased # of RBCs, WBCs + platelets
Chronic blood loss causes anemia because of the:
a. shortened life span of the erythrocytes.
b. lower metabolic rate.
c. loss of protein and electrolytes.
d. smaller amount of recycled iron available. - CORRECT ANSWER D. smaller amount of
recycled iron available
What is the etiology of sickle cell anemia? - CORRECT ANSWER a defective gene inherited
from both parents
Which of the following best describes the characteristic erythrocyte associated with pernicious
anemia?
a. Hypochromic, microcytic
b. Normochromic, normocytic
c. Elongated, sickle-shaped
d. Megaloblastic or macrocytic nucleated cells - CORRECT ANSWER D. MEGAloblastic or
MACROcytic nucleated cells
What causes numbness and tingling in the fingers of individuals with untreated pernicious anemia?
a. Persistent hyperbilirubinemia
, b. Increasing acidosis affecting metabolism
c. Vitamin B12 deficit causing peripheral nerve demyelination
d. Multiple small vascular occlusions affecting peripheral nerves - CORRECT ANSWER C.
Vit. B12 deficit causing peripheral nerve demyelination
Jaundice is a typical sign of which type of anemia? - CORRECT ANSWER Sickle cell anemia
What are the typical early general signs and symptoms of anemia?
a. Chest pain, palpitations
b. Jaundice, stomatitis
c. Pallor, dyspnea, and fatigue
d. Bradycardia, heat intolerance - CORRECT ANSWER C.
-Pallor
-Dyspnea
-Fatigue
What is the cause of oral ulcerations and delayed healing occurring with any severe anemia?
a. Lack of folic acid for DNA synthesis
b. Frequent microinfarcts in the tissues
c. Deficit of oxygen for epithelial cell mitosis and metabolism
d. Elevated bilirubin levels in blood and body fluids - CORRECT ANSWER C. deficit of
oxygen for epthelial cell mitosis + metabolism
Hypochlorhydria (deficient stomach acid) is present in which type of anemia? - CORRECT ANSWER
pernicious (V.B12) anemia
Why is pernicious anemia treated with injections of vitamin B12?
a. An immune reaction in the stomach would destroy the vitamin.
b. Digestive enzymes would destroy the vitamin.
c. The vitamin irritates the gastric mucosa.
d. The ingested vitamin would not be absorbed into the blood. - CORRECT ANSWER D. the
ingested vitamin would not be absorbed into the blood.
QUESTIONS AND CORRECT ANSWERS
Which of the following would result from a reduced number of erythrocytes in the blood?
a. Increased hemoglobin in the blood
b. Decreased hematocrit
c. Increased risk of hemostasis
d. Decreased osmotic pressure of the blood - CORRECT ANSWER B. decreased hematocrit
What term is used to describe a deficit of all types of blood cells? - CORRECT ANSWER
Pancytopenia = decreased # of RBCs, WBCs + platelets
Chronic blood loss causes anemia because of the:
a. shortened life span of the erythrocytes.
b. lower metabolic rate.
c. loss of protein and electrolytes.
d. smaller amount of recycled iron available. - CORRECT ANSWER D. smaller amount of
recycled iron available
What is the etiology of sickle cell anemia? - CORRECT ANSWER a defective gene inherited
from both parents
Which of the following best describes the characteristic erythrocyte associated with pernicious
anemia?
a. Hypochromic, microcytic
b. Normochromic, normocytic
c. Elongated, sickle-shaped
d. Megaloblastic or macrocytic nucleated cells - CORRECT ANSWER D. MEGAloblastic or
MACROcytic nucleated cells
What causes numbness and tingling in the fingers of individuals with untreated pernicious anemia?
a. Persistent hyperbilirubinemia
, b. Increasing acidosis affecting metabolism
c. Vitamin B12 deficit causing peripheral nerve demyelination
d. Multiple small vascular occlusions affecting peripheral nerves - CORRECT ANSWER C.
Vit. B12 deficit causing peripheral nerve demyelination
Jaundice is a typical sign of which type of anemia? - CORRECT ANSWER Sickle cell anemia
What are the typical early general signs and symptoms of anemia?
a. Chest pain, palpitations
b. Jaundice, stomatitis
c. Pallor, dyspnea, and fatigue
d. Bradycardia, heat intolerance - CORRECT ANSWER C.
-Pallor
-Dyspnea
-Fatigue
What is the cause of oral ulcerations and delayed healing occurring with any severe anemia?
a. Lack of folic acid for DNA synthesis
b. Frequent microinfarcts in the tissues
c. Deficit of oxygen for epithelial cell mitosis and metabolism
d. Elevated bilirubin levels in blood and body fluids - CORRECT ANSWER C. deficit of
oxygen for epthelial cell mitosis + metabolism
Hypochlorhydria (deficient stomach acid) is present in which type of anemia? - CORRECT ANSWER
pernicious (V.B12) anemia
Why is pernicious anemia treated with injections of vitamin B12?
a. An immune reaction in the stomach would destroy the vitamin.
b. Digestive enzymes would destroy the vitamin.
c. The vitamin irritates the gastric mucosa.
d. The ingested vitamin would not be absorbed into the blood. - CORRECT ANSWER D. the
ingested vitamin would not be absorbed into the blood.
