Knowledge Check

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Which of the following statement(s) is/are true:

a
Hyperthyroidism is associated with erythrocytosis (secondary polycythemia)
b
Virtually all cases of hypothyroidism-associated anemia are associated with macrocytosis
c
The anemia of hypothyroidism reverses with treatment of the hypothyroidism
By definition!
d
Hyperthyroidism may be associated with microcytosis
e
Hyperthyroidism is associated with increased acanthocytes on the peripheral smear

Abnormalities in thyroid function have been associated with several hematological abnormalities, including which of the following:

a
Anemia
b
Macrocytosis
c
Microcytosis
d
Changes in primary hemostasis
e
Changes in secondary hemostasis

Sort the thyroid condition with the hemostatic imbalance:

Hypocoagulable and hyperfibrinolytic state
Hypercoagulable and hypofibrinolytic state
Hypothyroidism
Hyperthyroidism

True or false: T4 is the active thyroid hormone, with T3 functioning as a prohormone that is converted into T4?

a
True
b
False
Other way around!

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