Drawing more than the recommended amount of an infant's blood volume may result in which of the following conditions?
Iatrogenic anemia may result from drawing more than the recommended amount of an infant's blood volume.
Excessive blood withdrawal from an infant can lead to iatrogenic anemia, a condition characterized by a decrease in red blood cell count due to medical interventions, such as blood draws. Infants have a limited blood volume, and removing too much can compromise their ability to transport oxygen effectively.
Pernicious anemia is primarily caused by a deficiency in vitamin B12 due to an inability to absorb it from the gastrointestinal tract, often linked to autoimmune issues affecting intrinsic factor production. This condition is not related to blood volume withdrawal, making it an incorrect choice in the context of the question.
Hyperthermia is an elevation in body temperature due to failed thermoregulation, often related to environmental factors or strenuous activity. While it can affect infants, it is unrelated to blood volume withdrawal and does not arise from drawing excess blood, thus making it an inappropriate option.
Hypothermia occurs when the body loses heat faster than it can produce it, leading to a dangerously low body temperature. Although blood loss can affect circulation, hypothermia is not a direct consequence of excessive blood withdrawal, which makes this choice incorrect in the context of the question.
Iatrogenic anemia is the result of excessive blood draws in infants, as their small blood volume can be easily compromised by medical procedures. The other conditions listed—pernicious anemia, hyperthermia, and hypothermia—are unrelated to blood volume withdrawal and stem from different causes. Understanding these distinctions is crucial for ensuring the safety and health of vulnerable populations like infants.
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