What type of cells secrete glucagon?

Plasma cells

Acinar cells

Beta cells

Alpha cells

Answer and Explanation

The Correct Answer is D

D. Alpha cells, also known as A cells, are a type of pancreatic islet cell (or islet of Langerhans cell) that secretes glucagon. Glucagon plays a crucial role in increasing blood sugar levels by promoting the breakdown of glycogen in the liver and stimulating the release of glucose into the bloodstream.
A. 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 glucagon.
B. 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 glucagon.

C. Beta cells are another type of cell in the pancreas, but they secrete insulin, not glucagon. Insulin is responsible for lowering blood sugar levels by promoting the uptake of glucose into cells for energy or storage.

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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.

A. Pleural friction rub B. Expiratory wheeze C. Rhonchi D. Fine rales

Correct Answer is B

Explanation

B. Expiratory wheezes are high-pitched, musical sounds produced by air passing through narrowed or obstructed airways. Wheezing is a hallmark sign of asthma, particularly during an exacerbation, and is usually more pronounced during expiration due to the increased effort required to expel air through the narrowed airways.
A. A pleural friction rub is a grating sound produced by the movement of inflamed pleural surfaces rubbing together. It is typically heard in conditions such as pleuritis (inflammation of the pleura) or pleurisy. This sound is not commonly associated with asthma exacerbations.
C. Rhonchi are low-pitched, snoring-like sounds that occur due to the presence of mucus or other secretions in the larger airways. While rhonchi can be heard in conditions with increased mucus production, such as bronchitis, they are not typically the primary sound associated with asthma exacerbations.
D. Fine rales, also known as crackles, are high-pitched, popping sounds heard during inspiration. They are usually associated with conditions involving fluid in the alveoli, such as pulmonary edema or interstitial lung disease. Crackles are not characteristic of asthma.

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What type of cells secrete glucagon?

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Naxlex Comprehensive Predictor Exams

A nurse is reviewing the medical record of a client who has a peptic ulcer. Which of the following findings should the nurse identify as a risk factor for this condition?

Correct Answer is B

Explanation

A nurse is collecting data from a client who is having an acute asthma exacerbation. When auscultating the client's chest, the nurse should expect to hear which of the following sounds?

Correct Answer is B

Explanation

Management of asthma involves avoidance of triggers. Which environmental triggers will the nurse suggest the patient eliminate? Select all that apply. (Select All that Apply.)

A newly diagnosed patient asks the nurse to explain asthma. Which of the following explanations by the nurse is correct?

A patient is admitted to a respiratory unit with a diagnosis of bacterial pneumonia. Findings include a fever and a weak, congested-sounding cough with moist crackles throughout the lung fields. How should the nurse prioritize care?

A patient is admitted to the hospital with hyperosmolar hyperglycemia. The patient has a BG value of 987 mg/dL. Which is the priority focus while providing care?

The nurse knows a patient with type 1 diabetes needs more education when the patient makes which of the following statements?

What type of cells secrete insulin?

A nurse is collecting data from a client who has peptic ulcer disease. Which of the following findings is a manifestation of gastrointestinal perforation?