24 Questions
What is the primary role of hormones in the body?
To regulate body functions
Which organ is NOT a part of the endocrine system?
Liver
How do endocrine glands secrete hormones?
Directly into the bloodstream
What is the function of the hypothalamus in the endocrine system?
To control hormone secretion of the pituitary gland
What hormone is NOT produced by the pituitary gland?
Cortisol
What type of hormones are produced by the thyroid gland?
T3 and T4
Which cells secrete hydrochloric acid, which activates pepsinogen to form pepsin?
Parietal cells
What is the primary function of the liver in digestion?
Storing and concentrating bile
What is the function of the pancreas in digestion?
Secreting digestive enzymes and bicarbonate
What adaptation of the small intestine mucosa increases its surface area for absorption?
Villi and microvilli
Which of the following is NOT a function of the gallbladder?
Producing digestive enzymes
What is the result of hydrochloric acid activating pepsinogen?
Formation of pepsin
Which of the following organs are responsible for the production of hydrochloric acid?
Parietal cells
What is the function of mucus in the gastric mucosa?
To protect the stomach lining
Which of the following cells secrete pepsinogen in the gastric mucosa?
Chief cells
What is the role of gastrin in the stomach?
To stimulate acid secretion
How is pepsin formed in the stomach?
Hydrochloric acid activates pepsinogen
What is the primary function of hydrochloric acid in the stomach?
To activate pepsinogen to form pepsin
Which cells in the stomach produce hydrochloric acid?
Parietal cells
What is the function of the liver in the digestive system?
Secretion of bile into the small intestine
Which of the following is a function of the intestinal mucosa?
Absorption of nutrients
What is the role of pepsin in the digestive system?
Breakdown of proteins
Which of the following organs produces digestive enzymes?
Pancreas
What is the role of bile salts in the digestive system?
Emulsification of fats
Test your knowledge of the endocrine system, including hormones, glands, and their functions. Covering topics such as hormone production, regulation of body functions, and endocrine organs.
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