Practice Quiz - Hematological Function Flashcards
Clinically, a diagnosis of anemia is made based on the patient’s:
Plasma hemoglobin (Hgb) levels
An iron deficiency results in erythrocytes (RBCs) that are:
Microcytic and hypochromic
Iron deficiency anemia among adult populations in the US is most commonly caused by:
Chronic gastrointestinal bleeding
Why are young children at risk for iron deficiency anemia?
Growth spurts and possibly a limited diet
Which of the following blood tests is a good measure of iron stores in the body?
Ferritin
Stomach reduction surgery (gastrectomy) commonly leads to b12 deficiency because:
Decreased intrinsic factor production results in decreased b12 absorption
Which of the following groups are most at risk for developing a b12 deficiency?
Strict vegans
Which of the following groups are at highest risk for developing a folate deficiency?
Alcoholics
Which of the following explanations describe one reason why a b12 deficiency causes anemia?
Fewer RBCs are produced by the bone marrow
A 44 y.o. Caucasian woman is seen in the ER with sudden onset shortness of breath and extreme fatigue. Her skin, sclera and mucous membranes appear to have a yellowish discoloration. These findings are consistent with which type of anemia?
Autoimmune hemolytic anemia
A 25 y.o. Female has a diagnosis of sickle cell disease. Which of the following events will likely stimulate a sickle cell crisis and should absolutely be avoided?
Taking a backpacking trip to Lake Titicaca is Peru, which is 12,507 ft in elevation.
The presence of hemoglobin S in people with sickle cell disease results in which of the following problems?
A hemolytic anemia
Aplastic anemia is caused by
Bone marrow failure
The term “pernicious anemia” is used as a synonym for which of the following anemias?
Vitamin B12 deficiency anemia
Which of the following people in the rapid development of an iron deficiency anemia, a vitamin b12 deficiency anemia, and a folate deficiency anemia?
A 24 y.o. Pregnant woman who isn’t taking prenatal vitamins