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, B, C, D, E

Explanation

A. Shake the canister 3 to 5 seconds vigorously.
Before each use, it's important to shake the MDI to ensure proper mixing of the medication.
B. Place her lips firmly around the mouthpiece.
Creating a tight seal around the mouthpiece ensures that the medication is delivered directly into the airways.
C. Inhale slowly over 3 to 5 seconds while pushing down on the canister.
While pressing down on the canister, the client should inhale slowly to allow the medication to reach the lungs.
D. Hold her breath for 10 seconds.
After inhaling the medication, holding the breath for 10 seconds allows for better absorption of the medication into the lungs.
E. Exhale slowly through pursed lips.
After holding the breath, exhaling slowly through pursed lips helps to fully exhale and ensures that the medication remains in the airways.

A. diminished breath sounds B. ruddy skin color C. use of accessory muscles D. excess mucus production E. barrel shaped chest

Correct Answer is ["A","C","E"]

Explanation

A. Diminished breath sounds can occur in emphysema due to decreased air movement through damaged and enlarged air sacs (alveoli). The destruction of alveolar walls reduces the surface area available for gas exchange and can result in decreased breath sounds.
C. Patients with emphysema may use accessory muscles, such as neck and shoulder muscles, to assist with breathing during periods of respiratory distress. These muscles are recruited to help increase the size of the thoracic cavity and improve airflow.
E. A barrel-shaped chest is a common physical finding in patients with emphysema. It results from hyperinflation of the lungs and is characterized by an increased anterior-posterior diameter of the chest. This change in chest shape is due to air trapping in the lungs, leading to overinflation of the alveoli and increased residual volume.
B. Ruddy skin color, which refers to a reddish or flushed complexion, is not typically associated with emphysema. Instead, patients with emphysema may exhibit cyanosis (bluish discoloration of the skin) during periods of hypoxemia (low oxygen levels).
D. Excess mucus production (mucus hypersecretion) is a characteristic feature of chronic bronchitis, which is often present alongside emphysema in chronic obstructive pulmonary disease (COPD) but it is not typically a primary feature of emphysema itself.

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What type of cells secrete glucagon?

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Naxlex Comprehensive Predictor Exams

43. A nurse is reinforcing teaching about use of a metered-dose inhaler (MDI) with a client who has a new diagnosis of asthma. Identify the sequence the client should follow. (Move the steps into the box on the right, placing them in the selected order of performance. Use all steps.)

Correct Answer is A, B, C, D, E

Explanation

The patient with emphysema comes to the emergency department with difficulty breathing. What finding should the nurse anticipate during data collection? Select all that apply

Correct Answer is ["A","C","E"]

Explanation

Gas exchange occurs in which of the following structures?

Which breakfast menu is most appropriate for a patient with diabetes?

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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?

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The nurse enters a room of a patient who is acutely short of breath. Which action should the nurse take first?

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