HESI Med Surg Hematological system

HESI Med Surg Hematological system ( 54 Questions)

Question 1 :
A healthy 70-year-old patient has low hemoglobin levels and no signs of gastrointestinal bleeding.
The nurse recognizes which item is an effect of aging that could be the reason for the low hemoglobin level?

Correct Answer: C

Choice A rationale:

A low level of hepcidin would not cause a decrease in hemoglobin levels. Hepcidin regulates iron homeostasis by inhibiting the absorption of iron from the intestines and promoting its storage in cells.

Choice B rationale:

An increase in iron-binding capacity typically occurs in conditions like iron deficiency anemia, where the body tries to increase its capacity to transport iron. This would not cause a low hemoglobin level in an otherwise healthy individual.

Choice C rationale:

Aging often leads to a decrease in the efficiency of nutrient absorption, including iron. This decrease in intestinal absorption of iron can result in low hemoglobin levels in elderly individuals. It's a common cause of anemia in the elderly population.

Choice D rationale:

Erythropoietin is a hormone produced by the kidneys that stimulates the production of red blood cells. A decrease in erythropoietin secretion from the kidneys would lead to anemia, but it is not a typical effect of aging and is usually associated with kidney disease.

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