The defining characteristic of a stem cell is
A) self-renewal. B) self-repair.
C) origin from a progenitor cell. D) the ability to turn into a cancer cell.
A
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In IgG, the antigen binding site is formed by the
A) variable segment of the light chain. B) variable segment of the heavy chain. C) constant segment of the heavy chain. D) variable segments of both the light and heavy chains. E) ionized segment of the light chain and the isotropic segment of the heavy chain.
Eighty-year old Mary urinates small amounts of urine quite often, likely due to bladder shrinkage and loss of bladder tone. What age-related condition does she have?
A) incontinence B) frequency C) nocturia D) hypospadias E) glomerulonephritis
From what germ layer are the serosae of the peritoneal cavity (coelom) derived?
A. Ectoderm B. Endoderm C. Notochord D. Mesoderm
Adrenal androgens
A. reduce the inflammatory response. B. stimulate growth of pubic hair in females. C. cause reabsorption of K+ by the kidney. D. decrease the sex drive. E. are produced in the adrenal medulla.