Reticulocytes are nucleated immature cells that develop into mature __________.
a. platelets
b. erythrocytes
c. leukocytes
d. lymphocytes
Answer: b. erythrocytes
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____ has a positive effect on appetite
a. CCK b. PYY3-36 c. Leptin d. Insulin e. Ghrelin
Answer the following statements true (T) or false (F)
1. The juxtaglomerular apparatus secretes a hormone when blood pressure is low. 2. The juxtaglomerular apparatus secretes a hormone that causes dilation of blood vessels. 3. Filtration and secretion occur in different parts of the nephron. 4. Filtration and secretion in the nephron move solutes in opposite directions. 5. Secretion usually occurs in the distal convoluted tubule and the collecting tubule.
The process of recycling cellular proteins that had been released by exocytosis and brought back into the cell is called ________.
A. autophagy B. retrograde transport C. active transport D. mediated transport
Endocrine glands empty their products into ________ and are referred to as ________ glands, while exocrine gland secretions empty into ________ or onto surfaces
A) cells; cellular; interstitial fluid B) interstitial fluid; ducted; cells C) interstitial fluid; ducted; interstitial fluid D) interstitial fluid; ductless; ducts E) ducts; ducted; interstitial fluid