Practice Quiz - Hematological Function Flashcards

1
Q

Clinically, a diagnosis of anemia is made based on the patient’s:

A

Plasma hemoglobin (Hgb) levels

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2
Q

An iron deficiency results in erythrocytes (RBCs) that are:

A

Microcytic and hypochromic

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3
Q

Iron deficiency anemia among adult populations in the US is most commonly caused by:

A

Chronic gastrointestinal bleeding

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4
Q

Why are young children at risk for iron deficiency anemia?

A

Growth spurts and possibly a limited diet

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5
Q

Which of the following blood tests is a good measure of iron stores in the body?

A

Ferritin

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6
Q

Stomach reduction surgery (gastrectomy) commonly leads to b12 deficiency because:

A

Decreased intrinsic factor production results in decreased b12 absorption

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7
Q

Which of the following groups are most at risk for developing a b12 deficiency?

A

Strict vegans

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8
Q

Which of the following groups are at highest risk for developing a folate deficiency?

A

Alcoholics

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9
Q

Which of the following explanations describe one reason why a b12 deficiency causes anemia?

A

Fewer RBCs are produced by the bone marrow

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10
Q

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?

A

Autoimmune hemolytic anemia

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11
Q

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?

A

Taking a backpacking trip to Lake Titicaca is Peru, which is 12,507 ft in elevation.

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12
Q

The presence of hemoglobin S in people with sickle cell disease results in which of the following problems?

A

A hemolytic anemia

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13
Q

Aplastic anemia is caused by

A

Bone marrow failure

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14
Q

The term “pernicious anemia” is used as a synonym for which of the following anemias?

A

Vitamin B12 deficiency anemia

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15
Q

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

A 24 y.o. Pregnant woman who isn’t taking prenatal vitamins

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16
Q

Hemophilia A results in:

A

Bleeding and bruising

17
Q

In children, immune thrombocytopenia purpura (ITP) is triggered by:

A

A viral illness

18
Q

A higher than normal number of RBCs in the blood is character of:

A

Polycythemia