Where is chyme produced,?
Pancreas
Stomach
Small Intestine
Large Intestine
The Correct Answer is B
A. Pancreas: pancreas secretes enzymes such as amylase (for carbohydrate digestion), lipase (for fat digestion), and proteases (such as trypsin and chymotrypsin for protein digestion). These enzymes are secreted into the small intestine to aid in the digestion of chyme.
B. Stomach: Chyme is a semi-fluid mixture of partially digested food and digestive juices formed in the stomach. The stomach’s muscular contractions mix food with gastric secretions, resulting in this thick paste that is then gradually released into the small intestine for further digestion.
C. Small Intestine: While the small intestine further processes chyme through digestion and absorption, it does not produce it.
D. Large Intestine: The large intestine primarily absorbs water and electrolytes from indigestible food matter and forms waste, but it does not produce chyme.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Inferior mesenteric artery: This artery is responsible for supplying blood to the distal part of the large intestine, including the descending colon, sigmoid colon, and rectum.
B. Inferior phrenic artery: This artery supplies blood to the diaphragm, not the large intestine or rectum.
C. Gonadal artery: The gonadal arteries supply blood to the reproductive organs, such as the ovaries or testes, not the large intestine.
D. Renal artery: The renal arteries supply blood to the kidneys and are unrelated to the blood supply of the large intestine or rectum.
Correct Answer is C
Explanation
A. Parietal Cell: Parietal cells are responsible for secreting hydrochloric acid (HCl) and intrinsic factor, not pepsinogen. HCl activates pepsinogen into pepsin.
B. Mucous Neck Cell: Mucous neck cells secrete mucus to protect the gastric lining but do not secrete pepsinogen.
C. Chief Cell: Chief cells (also known as zymogenic cells) are specialized cells in the stomach that secrete pepsinogen, the inactive precursor of the digestive enzyme pepsin.
D. Enteroendocrine Cell: Enteroendocrine cells secrete hormones like gastrin, which regulates digestive processes, but they do not secrete pepsinogen.
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