A nurse is caring for a child who has red marks across his cheeks. Which of the following actions should the nurse take?

Choice A reason: Polyuria, or excessive urination, is not a sign of low blood glucose level, but of high blood glucose level. It is caused by osmotic diuresis, which occurs when the kidneys try to flush out the excess glucose from the blood.

Choice B reason: Tachycardia, or fast heart rate, is a sign of low blood glucose level. It is caused by the activation of the sympathetic nervous system, which releases adrenaline and other hormones to increase the blood glucose level and stimulate the heart.

Choice C reason: Dry, flushed skin is not a sign of low blood glucose level, but of high blood glucose level. It is caused by dehydration, which occurs when the body loses fluid due to polyuria and increased thirst.

Choice D reason: Deep, rapid respirations are not a sign of low blood glucose level, but of diabetic ketoacidosis, a complication of high blood glucose level. It is caused by the accumulation of ketones, which are acidic substances produced when the body breaks down fat for energy due to lack of insulin.

Choice E reason: Hunger is a sign of low blood glucose level. It is caused by the lack of glucose in the cells, which are the main source of energy for the body. The brain signals the body to eat more to raise the blood glucose level.

Choice A reason: Leukemia is not a probable condition, as it is a cancer of the white blood cells that causes abnormal proliferation and accumulation of immature or dysfunctional white blood cells. The child has a high WBC count, which can indicate leukemia, but not necessarily. The child does not have other signs of leukemia, such as bleeding, bruising, bone pain, or lymphadenopathy.

Choice B reason: Sickle cell anemia is a possible condition, as it is an inherited disorder that affects the shape and function of the red blood cells, causing them to become sickle-shaped and rigid. The child has a low Hgb and Hct, which can indicate anemia, and a fever, tachycardia, and low oxygen saturation, which can indicate a sickle cell crisis. A sickle cell crisis is a condition where the sickle-shaped red blood cells block the blood flow and cause tissue ischemia and inflammation.

Choice C reason: Hemophilia is not a likely condition, as it is an inherited disorder that affects the clotting factors, causing impaired blood clotting and increased risk of bleeding. The child has a low Hgb and Hct, which can indicate anemia, but not necessarily hemophilia. The child does not have other signs of hemophilia, such as bleeding, bruising, hemarthrosis, or hematuria.

Choice D reason: Iron deficiency anemia is not a definite condition, as it is a type of anemia that occurs when the body does not have enough iron to produce hemoglobin, the protein that carries oxygen in the blood. The child has a low Hgb and Hct, which can indicate iron deficiency anemia, but not necessarily. The child does not have other signs of iron deficiency anemia, such as pallor, fatigue, weakness, or pica.