Tag: bio-chemistry

Quizzes (82) Questions (1918)

Questions Related to bio-chemistry

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Stratum lucidum has a shinig substance called.

  1. Luciferin

  2. Eleidin

  3. Cardiolipin

  4. Cerumen
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Stratum lucidum is a thin, clear layer of the epidermis found in thick skin. It contains the protein eleidin, which is an intermediate form of keratin that gives the layer its shiny appearance.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Crypts of Lieberkuhn are found in.

  1. Rectum

  2. Stomach

  3. Small intestine

  4. Pancreas
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Crypts of Lieberkuhn are found in the small intestine, specifically between the villi, where they play a role in cell renewal and secretion.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Brunner's glands occur in _________________.

  1. Mucosa of oesophagus

  2. Submucosa of duodenum

  3. Mucosa of ileum

  4. Submucosa of stomach
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Brunner's glands are located in the submucosa of the duodenum. They are distinct from the glands found in the mucosa of other intestinal sections.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Paneth cells are found in 

  1. Crypts of Lieberkuhn

  2. Peyers patches

  3. Islet of Langerhans

  4. Gastric glands
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Paneth cells are specialized secretory cells located at the base of the Crypts of Lieberkuhn in the small intestine.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

The intestinal juice, succus entericus is secreted by 

  1. Villi

  2. Crypts of Lieberkuhn

  3. Brunners Glands

  4. Crypts of Liberkuhn and Brunners glands
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Succus entericus, or intestinal juice, is primarily secreted by the Crypts of Lieberkuhn. While Brunner's glands contribute alkaline mucus, the term succus entericus specifically refers to the secretion from the crypts.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Crypts of Lieberkuhn are.

  1. Simple tubular glands

  2. Coiled-tubular glands

  3. Compound tubular glands

  4. Simple alveolar glands
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Crypts of Lieberkuhn are simple tubular glands that extend into the lamina propria of the small intestine.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Brunners glands are found in

  1. Stomach

  2. Duodenum/Intestine

  3. Ileum

  4. Large intestine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Brunner's glands are found exclusively in the submucosa of the duodenum, which is the first part of the small intestine.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Crypts of Lieberkuhn are found in

  1. Small intestine, secrete digestive enzymes

  2. Pancreas, secrete pancreatic juice

  3. Stomach, secrete gastric juice

  4. Liver, secrete bile
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Crypts of Lieberkuhn are found in the small intestine and secrete various components of the intestinal juice, including enzymes and mucus.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Duodenal glands which prevent corrosion by HCl of chyme are

  1. Oxyntic cells

  2. Peptic cells

  3. Brunners glands

  4. Crypts of Lieberkuhn
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Brunner's glands secrete an alkaline, bicarbonate-rich mucus that protects the duodenal mucosa from the acidic chyme coming from the stomach.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Inhibition of gastric and stimulation of gastric, pancreatic and bile secretions are controlled by hormones ____________________.

  1. Gastrin, secretin, enterokinin and cholecystokin

  2. Enterogastrone, gastrin, pancreozymin and cholecystokinin

  3. Gastrin, enterogastrone, cholecystokinin and pancreozymin

  4. Secretin, enterogastrone, gastrin and enterokinin
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Enterogastrone inhibits gastric secretion, while gastrin stimulates it. Pancreozymin and cholecystokinin stimulate pancreatic and bile secretions, respectively.