Histology Nbme Questions & Answers 2023(A+ Graded 100% Verified)

How is parietal cells secreted {Ans: Enterendocrine cells produce ACH and peptide gastrin -located in the pyloric antrum -to stimulate parietal cells to secrete HCL}Plasma cell {Ans: B cells differentiate into plasma cells that produce antibody -when bacteria or viruses enter the body, some of the B cells will change into plasma cells. The plasma cells make antibodies to fight bacteria and viruses}1. Parietal cells 2. Chief cells {Ans: 1. secrete hydrochloric acid (HCl) and intrinsic factor - important for the absorption of vitamin B12 2. secrete pepsinogen then pepsin *Both found in the fundus of the stomach, where the gastric glands are located*}HPV (human papilloma virus) {Ans: It's the most common sexually transmitted infection. -HPV is usually harmless sometimes lead to cancer -Has E6 and E7 proteins}Function of estrogen {Ans: Female sex hormone -produced a lot during follicle development}Glycosylation {Ans: Important and highly regulated mechanism of secondary protein processing within cells. -It plays a critical role in determining protein structure, function and stability.}