A lack of intrinsic factor, leading to a deficiency of vitamin B12 and large pale cells called macrocytes, is characteristic of ________.
A) aplastic anemia
B) polycythemia
C) pernicious anemia
D) sickle-cell anemia
C) pernicious anemia
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Which is an active transport process?
A. Simple diffusion B. Bulk filtration C. Osmosis D. Facilitated diffusion E. Ion pump
In some cultures, infant boys are circumcised. Explain what circumcision is and why there is support for as well as opposition to the procedure.
What will be an ideal response?
Opening a potassium channel during the resting membrane potential would cause the inside border of the plasma membrane to become more negative
Indicate whether the statement is true or false
Use the following information concerning thyroid hormone secretion to determine the best answer.Normal serum levels for T3, T4, and TSH are as follows:T390 to 230 ng/dlT45 to 13.5 mcg/dlTSH15 mIU/L?Consider the following laboratory results of thyroid function and TSH levels. T3T4TSHPatient A550 ng/dl30 mcg/dl30 mIU/LPatient B400 ng/dl20 mcg/dl10 mIU/LPatient C40 ng/dl3 mcg/dl3 mIU/LPatient D50 ng/dl3 mcg/dl30 mIU/L?Based on these laboratory results, which patient is most likely to have the following pathological condition: proliferative tumor of anterior pituitary cells that produce TSH?
Fill in the blank(s) with the appropriate word(s).