What would be the outcome if your patient did not have alpha cells of the pancreas?
They would not be able to secrete insulin.
They would not be able to secrete glucagon.
They would not be able to secrete somatostatin and gastrin.
They would not be able to secrete pancreatic polypeptides.
The Correct Answer is B
Choice A reason: Alpha cells of the pancreas do not produce insulin. Insulin is produced by the beta cells of the pancreas. Therefore, the absence of alpha cells would not affect insulin secretion.
Choice B reason: The primary function of alpha cells in the pancreas is to produce and secrete glucagon. Glucagon is a hormone that raises blood glucose levels by promoting the conversion of glycogen to glucose in the liver. Without alpha cells, the body would not be able to secrete glucagon, leading to issues with glucose regulation.
Choice C reason: Somatostatin and gastrin are not secreted by alpha cells. Somatostatin is produced by delta cells of the pancreas and other parts of the digestive system, while gastrin is primarily produced by G cells in the stomach lining. Therefore, the absence of alpha cells would not affect the secretion of somatostatin and gastrin.
Choice D reason: Pancreatic polypeptides are produced by PP cells (pancreatic polypeptide cells) in the pancreas. The absence of alpha cells would not impact the secretion of pancreatic polypeptides.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Hepatic tumors, or liver tumors, are not the most common type of cancer in children. While they can occur, they are relatively rare compared to other types of childhood cancers.
Choice B reason: Osteosarcoma is a type of bone cancer that primarily affects children and young adults. However, it is not the most common type of cancer in children. Osteosarcoma typically occurs in the bones around the knee and upper arm.
Choice C reason: Leukemia is the most common type of cancer in children. It affects the blood and bone marrow and can cause symptoms such as fatigue, easy bruising, and frequent infections. There are different types of leukemia, with acute lymphoblastic leukemia (ALL) being the most common in children.
Choice D reason: Brain tumors are the second most common type of cancer in children, but they are not as prevalent as leukemia. Brain tumors can cause symptoms such as headaches, nausea, and vision problems.
Correct Answer is B
Explanation
Choice A reason: Type 1 diabetes is characterized by an absolute deficiency of insulin due to autoimmune destruction of pancreatic beta cells. It is not primarily marked by insulin resistance, which is more characteristic of type 2 diabetes. The genetic and environmental factors in type 1 diabetes lead to a lack of insulin production, rather than resistance.
Choice B reason: In type 1 diabetes, there is an absolute deficit in insulin production. This is because the body's immune system attacks and destroys the insulin-producing beta cells in the pancreas. As a result, individuals with type 1 diabetes require exogenous insulin to manage their blood glucose levels.
Choice C reason: While type 1 diabetes has genetic and environmental influences, the condition results in an inability to produce insulin rather than partial insulin production. The autoimmune response in type 1 diabetes leads to the destruction of almost all beta cells, resulting in an absolute deficit of insulin.
Choice D reason: Type 1 diabetes does not typically exhibit both insulin resistance and no insulin production. While some individuals with type 1 diabetes may develop insulin resistance over time (a condition known as "double diabetes"), the hallmark feature of type 1 diabetes is the absolute deficiency of insulin due to the autoimmune destruction of beta cells.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.