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_________ are the polymers of amino acids.

The four most abundant chemical elements in living systems are ________.

Which statement is NOT a distinguishing feature of living organisms?

Jaundice is what discoloration of the skin?

Which of the following is hereditary, meaning that it cannot be prevented?

Reino is a 52-year-old male with a kidney stone, which has led to hydronephrosis of the right ureter. Why should Frank be advised to treat this hydronephrosis?

Henrietta had major surgery with general anesthesia. Now she feels bloated and has not evacuated her bowels. Which type of bowel obstruction is likely?

What are varicose veins, either internal or external, in the rectum called?

A patient comes in complaining of lower abdominal pain and blood in the stool. The doctor suspects it could be ulcerative colitis. Which diagnostic tests may be used to diagnose ulcerative colitis?

What causes portal hypertension?