Physiology | Senioritis

Mohamed Abbas
June 21, 2023
Physiology

Enterogastric Reflex: Balancing Gastric Emptying and Nutrient Absorption

In a normal individual, the enterogastric reflex will be elicited by: A. Increased duodenal wall tension B. Irritation of small intestine mucosa C. Protein metabolites in the...

Mohamed Abbas
June 21, 2023
Physiology

Navigating the Importance of Na+Bile Acid Cotransport in Ileum for Cholesterol Homeostasis

Which of the following is the site of Na+bile acid cotransport? A. Duodenum B. Ileum C. Antrum D. Colon B The site of Na+bile acid cotransport is...

Mohamed Abbas
June 21, 2023
Physiology

Importance of Gastric pH for Digestion and Medication Absorption

Low gastric pH: A. stimulates the release of gastrin B. inhibits release of histamine C. reduces irritation caused by aspirin D. is not necessary for pepsin activity...

Mohamed Abbas
June 21, 2023
Physiology

Glucose-dependent Insulinotropic Peptide (GIP) and its role in regulating blood glucose levels

Which of the following substances is secreted in response to an oral glucose load? A. Glucose-dependent insulinotropic peptide B. Vasoactive Intestinal Peptide C. Secretin D. Gastrin E....

Mohamed Abbas
June 21, 2023
Physiology

How Removal of Proximal Segments of Small Intestine Affects Pancreatic Enzyme Secretion: Science Explanation

Removal of proximal segments of the small intestine would most likely result in a decrease in which of the following? A. Basal acid output B. Gastric emptying...

Mohamed Abbas
June 21, 2023
Physiology

Unlocking the Mystery: why Intrinsic Factor is Vital for Vitamin B12 Absorption while Fat-soluble Vitamins Rely on a Different Pathway

Which of the following is required for absorption of the fat soluble vitamins contained A. Chymotrypsin B. Pancreatic amylase C. Pancreatic lipase D. Intrinsic factor E. Secretin...

Mohamed Abbas
June 21, 2023
Physiology

Unlocking the Digestive Process of Fructose for Optimal Absorption by Intestinal Cells – The Science of Monosaccharides

Which of the following substances must be further digested before it can be absorbed by specific carriers in intestinal cells? A. Sucrose B. Dipeptides C. Alanine D....

Mohamed Abbas
June 21, 2023
Physiology

Role of Gastric Glands in Protein Digestion: Importance of Pepsinogen and Pepsin

The proenzyme pepsinogen is secreted mainly from which of the following structures? A. Gastric glands of the stomach B. Acinar cells of the pancreas C. Epithelial cells...