A nurse is providing care for a client diagnosed with diabetic ketoacidosis (DK

Choice A reason:

Thickening of the walls of the ventricles is not typically associated with restrictive cardiomyopathy (RCM). This condition is more characteristic of hypertrophic cardiomyopathy (HCM), where the heart muscle becomes abnormally thick, making it harder for the heart to pump blood. In RCM, the walls of the ventricles are usually not thickened but become rigid due to fibrosis or infiltration, which restricts the heart’s ability to fill with blood during diastole.

Choice B reason:

Stretching of the ventricles is more commonly seen in dilated cardiomyopathy (DCM), not restrictive cardiomyopathy. In DCM, the heart’s ventricles become enlarged and weakened, which impairs the heart’s ability to pump blood efficiently. RCM, on the other hand, involves stiffening of the ventricular walls without significant dilation.

Choice C reason:

Thickening of the ventricular walls and septum is a hallmark of hypertrophic cardiomyopathy (HCM), not restrictive cardiomyopathy. In HCM, the thickened walls can obstruct blood flow and lead to various complications. RCM is characterized by the stiffening of the ventricular walls due to fibrosis or infiltration, which restricts diastolic filling.

Choice D reason:

When the ventricular tissue becomes fibrous and fatty is the correct description of restrictive cardiomyopathy (RCM). In RCM, the heart’s ventricles become stiff and less elastic due to fibrosis (scarring) or infiltration by abnormal substances, such as amyloid proteins. This rigidity impairs the heart’s ability to fill properly during diastole, leading to symptoms of heart failure

Choice A Reason:

The adrenal glands play a crucial role in responding to low blood glucose levels by releasing epinephrine (adrenaline) and norepinephrine. These hormones help to increase blood glucose levels by stimulating glycogenolysis (the breakdown of glycogen to glucose) and gluconeogenesis (the production of glucose from non-carbohydrate sources) in the liver. This response is part of the body’s fight-or-flight mechanism, which ensures that sufficient glucose is available for immediate energy needs.

Choice B Reason:

The liver does not release glucagon; rather, it responds to glucagon, which is released by the pancreas. Glucagon stimulates the liver to convert stored glycogen into glucose (glycogenolysis) and to produce glucose from non-carbohydrate sources (gluconeogenesis). This process helps to raise blood glucose levels when they are low.

Choice C Reason:

Glycogenesis is the process of converting glucose into glycogen for storage, and it occurs primarily in the liver and muscle cells, not in the pancreas. The pancreas releases insulin to promote glycogenesis when blood glucose levels are high, but it does not perform glycogenesis itself.

Choice D Reason:

The brain primarily uses glucose for energy and does not switch to using protein unless glucose levels are extremely low and prolonged. In such cases, the brain can use ketone bodies derived from fat as an alternative energy source. Protein is not a primary energy source for the brain under normal conditions.