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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Free Nursing Study Resources

Correct Answer is A

Explanation

A. Sucralfate works by forming a protective barrier over the ulcer site. It adheres to the ulcer, shielding it from the harmful effects of gastric acid, pepsin, and bile salts. This protection allows the ulcer to heal by preventing further irritation and damage.
B. Medications that prevent gastric acid secretion are typically proton pump inhibitors (PPIs) or H2 receptor antagonists. Sucralfate does not reduce or inhibit the production of gastric acid; instead, it protects the ulcer from the acid already present.
C. Antacids are the type of medication that neutralize gastric acid. Sucralfate does not neutralize acid; it acts locally at the ulcer site to create a protective coating.
D. Antibiotics are used to kill Helicobacter pylori, the bacteria often responsible for causing peptic ulcers. Sucralfate does not have antibacterial properties and does not target or eliminate bacteria.

A. A 35-year-old patient using the incentive spirometer following abdominal surgery B. A 55-year-old patient who is eating in the chair following a rhinoplasty C. A 40-year-old patient who refuses to cough and deep breath following a splenectomy D. A24-year-old patient ambulating in the hall following an appendectomy

Correct Answer is C

Explanation

C. This patient is at high risk for hospital-acquired pneumonia. After a splenectomy (removal of the spleen), patients may experience pain and discomfort, which can make them reluctant to perform necessary activities like coughing and deep breathing. These activities are crucial for preventing lung complications such as atelectasis and pneumonia.
A. This patient is actively using an incentive spirometer, which is a device that encourages deep breathing and helps keep the lungs clear. This practice significantly reduces the risk of developing pneumonia by preventing atelectasis (collapse of part of the lung) and promoting lung expansion.

B. This patient is out of bed and eating, which indicates they are relatively mobile and maintaining normal respiratory function. Rhinoplasty, a surgical procedure on the nose, generally does not impair lung function or significantly increase the risk of pneumonia. Being active and upright further reduces the risk of HAP.
D. This patient is actively ambulating, which is highly beneficial for lung function and overall recovery. Walking and moving around helps to prevent respiratory complications, including pneumonia, by promoting lung expansion and circulation.

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What type of cells secrete glucagon?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reinforcing teaching for a client who has a duodenal ulcer and a new prescription for sucralfate. The client asks the nurse how sucralfate works. Which of the following statements should the nurse make?

Correct Answer is A

Explanation

Which patient does the LPN/LVN identify at high risk for hospital-acquired pneumonia?

Correct Answer is C

Explanation

Which time would be ideal for the LPN/LVN to collect a sputum specimen?

The nurse is providing discharge education about signs and symptoms of hypoglycemia and hyperglycemia. For each sign/symptom, indicate whether it is manifestation of hypoglycemia or hyperglycemia. Select one option in each row.

A 33-year-old patient has pneumonia. When the nurse assesses this patient, which of the following data will receive the highest priority?

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

A nurse is collecting data from a client who has gastroesophageal reflux disease (GERD) and reports having heartburn every night. Which of the following actions should the nurse identify as a contributing factor to the client's heartburn?

A nurse is reinforcing dietary teaching with a client who has GERD. Which of the following food choices by the client indicates an understanding of the teaching?

A nurse is reinforcing discharge teaching with a client following an episode of status asthmaticus. The client has a prescription for two inhalations from an albuterol metered-dose inhaler. Which of the following statements by the client indicates an understanding of the teaching?

The nurse is assisting with nutrition teaching for a patient who voices concern over adjusting to a diabetic diet. Which response by the nurse about medical nutrition therapy is correct?