Red blood cell production is regulated by the hormone
A) thymosin.
B) angiotensin.
C) erythropoietin.
D) thymopoietin.
E) renin.
C
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Blocklike masses that form from paraxial mesoderm and develop into muscle, axial skeleton, cartilage, and dermis are known as __________
Fill in the blank with correct word.
Neurons that have several dendrites and a single axon are called
A) anaxonic. B) unipolar. C) bipolar. D) tripolar. E) multipolar.
Diagnostic tests done on a patient show that many coronary arteries, including the left main coronary artery are severely narrowed. Which of the following is the best course of action to treat this patient?
A. Angiogram B. Angioplasty C. Coronary bypass surgery D. Electrocardiogram E. Urokinase injections
In comparison to a low-density lipoprotein (LDL), a high density lipoprotein (HDL) contains
A. less lipid. B. less protein. C. more cholesterol. D. more carbohydrate. E. more amino acids.