What type of cells secrete insulin?
Alpha cells
Beta cells
Acinar cells
Plasma cells
The Correct Answer is B
B. Beta cells are the pancreatic cells responsible for secreting insulin. Insulin acts to lower blood sugar levels by facilitating the uptake of glucose into cells for energy or storage. In individuals with diabetes mellitus, dysfunction of beta cells can lead to inadequate insulin secretion, resulting in high blood sugar levels.
A. Alpha cells are another type of cell in the pancreas, but they secrete glucagon, not insulin. Glucagon has the opposite effect of insulin, increasing blood sugar levels by stimulating the breakdown of glycogen in the liver.
C. Acinar cells are exocrine cells found in the pancreas that secrete digestive enzymes into the pancreatic ducts. These enzymes aid in the digestion of food in the small intestine. Acinar cells are not involved in the production of insulin.
D. Plasma cells are a type of white blood cell that produces antibodies as part of the immune response. They are not involved in the production of insulin.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
B. Nonsteroidal anti-inflammatory drugs (NSAIDs), including ibuprofen, are known to increase the risk of peptic ulcer formation by disrupting the protective mucosal barrier of the stomach and duodenum.
Long-term or frequent use of NSAIDs can lead to mucosal damage and ulceration.
A. Consuming spicy foods frequently may irritate the lining of the stomach and increase the risk of developing peptic ulcers. However, the number of consumed meals is not specific to the risl of peptic ulcer formation.
C. Green tea consumption is generally not considered a significant risk factor for peptic ulcers. In fact, some studies suggest that compounds found in green tea may have protective effects against the development of peptic ulcers and may help reduce the risk of H. pylori infection, a common cause of ulcers.
D. Bulimia, an eating disorder characterized by binge eating followed by purging behaviors such as vomiting, is a risk factor for peptic ulcers. The repeated exposure of stomach acid to the esophagus and stomach lining due to vomiting can lead to inflammation and ulceration of the gastrointestinal tract.
Correct Answer is ["B","D","E"]
Explanation
B. Bronchodilators are medications commonly used to relieve bronchospasm and improve airflow in patients with COPD. They work by relaxing the muscles around the airways, making it easier to breathe. Providing bronchodilators as prescribed can help alleviate difficulty breathing and improve the patient's respiratory function.
D. Smoking cessation is essential for patients with COPD as smoking is the leading cause of the disease and can exacerbate respiratory symptoms. Quitting smoking can slow the progression of COPD, reduce the frequency and severity of exacerbations, and improve overall lung function.
E. Corticosteroids are anti-inflammatory medications commonly used to reduce airway inflammation and control exacerbations in patients with COPD. They can help improve breathing and reduce the severity of respiratory symptoms during acute exacerbations.
A. Offering small frequent meals can help reduce the sensation of fullness and bloating, which can sometimes occur in patients with COPD due to increased abdominal pressure from compromised respiratory function. However, this is not specific to COPD.
C. Weaning from oxygen should be done cautiously and under the guidance of healthcare providers but not in the state of difficulty in breathing. Oxygen therapy is often necessary for patients with COPD who experience difficulty breathing, especially during acute exacerbations. Therefore, weaning from oxygen may be appropriate once the patient's respiratory status stabilizes and oxygen saturation levels improve.
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