In marasmus wasting is due to ?
**Core Concept**
Marasmus is a severe form of malnutrition characterized by energy and protein deficiency, leading to muscle wasting and loss of body fat. This condition is often seen in children and is a result of inadequate caloric intake.
**Why the Correct Answer is Right**
The wasting in marasmus is primarily due to the breakdown of muscle tissue and the depletion of body fat stores. This is caused by the lack of sufficient energy and protein to maintain muscle mass and body fat. The body's energy stores are depleted, leading to the breakdown of muscle tissue to meet the energy needs, resulting in muscle wasting.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it does not specify the underlying cause of wasting in marasmus.
**Option B:** This option is incorrect as it refers to edema, which is a characteristic of kwashiorkor, not marasmus.
**Option C:** This option is incorrect as it refers to an electrolyte imbalance, which is not the primary cause of wasting in marasmus.
**Clinical Pearl / High-Yield Fact**
In marasmus, the body's energy stores are depleted, leading to the breakdown of muscle tissue and body fat. This condition is often seen in children and can be prevented with adequate nutrition and caloric intake.
**Correct Answer: D. Muscle tissue breakdown due to energy and protein deficiency.**