Lymphedema may occur as a complication after a radical mastectomy, in which lymph nodes have been removed. Explain why it might occur

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Anything that prevents the normal return of lymph to the blood, such as blockage of the lymphatics by tumors or removal of lymphatics during surgery, results in severe localized edema (lymphedema).

Anatomy & Physiology

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Based on what we have learned about the regulation of blood flow to various organs, do you think it is wiser to rest or exercise after a heavy meal? Explain your answer.

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Anatomy & Physiology

Pre-mRNA contains noncoding regions called ________.

A. exons B. introns C. spliceosomes D. small nuclear ribonucleoproteins (snRNPs)

Anatomy & Physiology

Cells of the macula densa in the kidney function to:

a. Constrict the diameter of the afferent arteriole supplying the glomerulus b. Reabsorb amino acids from the urine c. React to urinary sodium and chloride and stimulate juxtaglomerular cells to se-crete renin d. Secrete angiotensin to elevate blood pressure during conditions of dehydration e. Secrete sodium into the urine

Anatomy & Physiology

Nitrogen atoms can form a maximum of four covalent bonds with other atoms

Indicate whether the statement is true or false.

Anatomy & Physiology