Which accessory organ produces bile?
Gallbladder
Liver
Spleen
Pancreas
The Correct Answer is B
A. The gallbladder does not produce bile. Its primary function is to store and concentrate bile that the liver produces, releasing it into the small intestine through the common bile duct when fat-containing food enters the duodenum. While the gallbladder is essential for regulating bile flow, it does not synthesize it.
B. The liver is the accessory organ responsible for producing bile, a yellow-green fluid composed of bile salts, cholesterol, phospholipids, and waste products like bilirubin. Bile plays a critical role in emulsifying fats, breaking them into smaller droplets so pancreatic lipase can effectively digest them. Additionally, bile aids in the absorption of fat-soluble vitamins (A, D, E, and K) and facilitates the excretion of certain waste products, such as excess cholesterol and bilirubin, helping maintain metabolic balance. Bile is continuously produced by the liver and transported via the hepatic ducts to either the gallbladder for storage or directly to the duodenum for immediate digestive use.
C. The spleen is primarily involved in filtering the blood, recycling red blood cells, and supporting immune function. It has no role in bile production or fat digestion.
D. The pancreas produces digestive enzymes (such as amylase, lipase, and proteases) and hormones (including insulin and glucagon) but does not produce bile. It contributes to digestion by releasing enzymes into the small intestine, complementing bile’s function in fat digestion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","D","E"]
Explanation
A. Blood does not produce hormones; endocrine glands such as the thyroid, adrenal glands, and pancreas produce hormones. Blood serves as a transport medium for hormones but is not their source.
B. Blood helps maintain body temperature by distributing heat generated by metabolism throughout the body and by constricting or dilating blood vessels to conserve or release heat as needed.
C. Blood itself does not heal injuries. While it carries platelets and clotting factors essential for clot formation, the actual tissue repair process occurs through cellular and tissue mechanisms, not the blood directly.
D. Blood plays a critical role in regulating the immune system by transporting white blood cells, antibodies, and other immune components to sites of infection or injury, helping defend the body against pathogens.
E. Blood transports essential substances such as nutrients, oxygen, and hormones to tissues and carries waste products like carbon dioxide and urea to organs such as the lungs and kidneys for excretion, supporting overall homeostasis.
Correct Answer is D
Explanation
A. Night eating syndrome involves consuming large amounts of food at night, often leading to weight gain, but it is not typically associated with tooth decay, inflamed throat, or gastroesophageal reflux caused by purging behaviors.
B. Anorexia nervosa primarily involves severe restriction of food intake, leading to significant weight loss and malnutrition. While physical signs such as brittle hair and dry skin may appear, tooth decay, inflamed throat, and gastroesophageal reflux are less common because purging behaviors are not a defining characteristic.
C. Binge-eating disorder involves consuming large amounts of food in a short period of time, often leading to overweight or obesity. It is not typically associated with purging behaviors, which cause tooth decay, throat inflammation, and reflux.
D. Bulimia nervosa is characterized by recurrent episodes of binge eating followed by compensatory behaviors such as vomiting, laxative use, or excessive exercise. Repeated vomiting exposes the teeth to stomach acid, leading to tooth decay and erosion. It also causes an inflamed throat, gastroesophageal reflux disorder, and dehydration due to fluid loss during purging. These clinical findings align closely with the assessment described.
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