17-year-old student with type 1 diabetes asks the nurse which hormone causes the blood glucose level to rise. When responding the nurse should explain in language that the client can understand that liver glycogenolysis is stimulated by a hormone secreted by the islets of Langerhans Which hormone is this?
Insulin
Epinephrine
Glucagon
Adrenocorticotropic hormone (ACTH)
The Correct Answer is C
A. Insulin is responsible for lowering blood glucose levels by promoting the uptake and storage of glucose in cells.
B. Epinephrine (adrenaline) can raise blood glucose levels in response to the "fight or flight" stress response, but it's not primarily responsible for stimulating liver glycogenolysis.
C. Glucagon is produced by the alpha cells in the islets of Langerhans and plays a crucial role in increasing blood glucose levels. It promotes the breakdown of glycogen (glycogenolysis) in the liver and the production of glucose from non-carbohydrate sources (gluconeogenesis).
D. Adrenocorticotropic hormone (ACTH) is produced by the anterior pituitary gland and stimulates the adrenal cortex to release cortisol, which can also contribute to raising blood glucose levels but isn't primarily responsible for liver glycogenolysis.
In the context of diabetes management, understanding the role of glucagon is important because it helps individuals know how to manage hypoglycemia (low blood sugar) by administering glucagon or consuming fast-acting sources of glucose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Hemophilia is a genetic bleeding disorder in which the blood does not clot properly. It primarily affects the coagulation factors responsible for clot formation. In individuals with hemophilia, bleeding tends to occur most commonly in the joints, particularly in the large weight-bearing joints like the knees, elbows, and ankles. This is known as hemarthrosis and can lead to significant pain and joint damage.
While bleeding in other areas of the body can occur in hemophilia, such as the muscles or soft tissues, joint bleeding is one of the hallmark features of the condition.
The other options, B (intestines), C (brain), and D (pericardium), are less commonly associated with bleeding in hemophilia. Although bleeding can occur in various locations, joint bleeding is the most characteristic and commonly seen manifestation in individuals with hemophilia.
Correct Answer is C
Explanation
A. Neutropenic Precautions: Neutropenia refers to a low neutrophil count, a type of white blood cell responsible for fighting infections. While children with leukemia are at risk for neutropenia due to the disease and its treatment, the primary concern in this scenario is the critically low platelet count and the risk of bleeding. Neutropenic precautions focus on preventing infections.
B. Droplet Precautions: Droplet precautions are used when dealing with respiratory infections that are transmitted through respiratory droplets, such as coughing or sneezing. This is not the primary concern for a child with leukemia and a low platelet count, as the main risk is bleeding due to the low platelet count.
C. Bleeding Precautions: Leukemia, especially in a child with a critically low platelet count, puts the child at a high risk of bleeding. Platelets are essential for blood clotting, and when they are severely decreased, even minor injuries can lead to excessive bleeding. The nurse should take precautions to minimize the risk of bleeding. This includes avoiding invasive procedures, using a soft toothbrush, and ensuring that the child does not participate in activities that could result in injury.
D. Contact Precautions: Contact precautions are used to prevent the transmission of infectious diseases through direct contact. While a child with leukemia may have a weakened immune system and be at risk of infections, the primary concern in this case is the critically low platelet count and the risk of bleeding. Contact precautions are more relevant in cases of contagious diseases where physical contact could transmit the infection.
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