Question

In: Biology

20-23 Match the immune system cell type with its function or description: a)B lymphocyte b)plasma cell...

20-23 Match the immune system cell type with its function or description:

a)B lymphocyte b)plasma cell c)T helper lymphocyte d)macrophage

20) is specifically attacked and destroyed by HIV

21) engulfs particles (phagocytosis) & causes inflammation

22) binds specific antigens to initiate an antibody response

23) makes antibodies in large quantities

24) The hormone essential to the maintenance of pregnancy is a)estradiol b)progesterone c)LH d)FSH

25) Growth hormone is the tropic hormone that stimulates the

      a)thyroid b)adrenal cortex c)islets of Langerhans d)liver

26) In a kidney nephron, most of the water filtered through the glomerulus into the capsule is reabsorbed from

      the a)proximal tubule b)distal tubule c)collecting duct d)loop of Henle

Solutions

Expert Solution

Ans- 20) is specifically attacked and destroyed by HIV-plasma cell

21) engulfs particles (phagocytosis) & causes inflammation-macrophage

22) binds specific antigens to initiate an antibody response-T helper lymphocyte

23) makes antibodies in large quantities- B lymphocyte

24)Progesterone

High levels of progesterone are required throughout pregnancy with levels steadily rising until the birth of the baby. During the first few weeks of pregnancy, progesterone produced from the corpus luteum (a temporary endocrine gland of the ovaries) is sufficient to maintain pregnancy.

25)   Liver

The major role of growth hormone in stimulating body growth is to stimulate the liver and other tissues to secrete IGF-I.IGF-I stimulates proliferation of chondrocytes (cartilage cells), resulting in bone growth.

26) Proximal convoluted tubule

Reabsorption takes place mainly in the proximal convoluted tubule of the nephron. Nearly all of the water, glucose, potassium, and amino acids lost during glomerular filtration reenter the blood from the renal tubules


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