End
1 :

Hint : 🍽️ Purging signs + alkalosis.

Correct Answers:

  • calluses and scars on hands
  • metabolic alkalosis
  • normal weight


Rationale :

calluses and scars on hands

🟣 Calluses/scars on the knuckles (Russell sign) occur from repeated contact with teeth during self-induced vomiting.

🟣 This finding is strongly linked to purging behaviors, which are common in bulimia nervosa.

🟣 It may also be accompanied by dental enamel erosion and sore throat due to gastric acid exposure.

🟣 The presence of this sign helps differentiate bulimia from some restrictive eating disorders.

🟣 It is an important physical cue that warrants assessment for electrolyte imbalance and complications.

metabolic alkalosis

🟣 Repeated vomiting causes loss of hydrogen ions (H⁺) and chloride, leading to metabolic alkalosis.

🟣 Acid loss also promotes hypokalemia, increasing risk for cardiac dysrhythmias.

🟣 Alkalosis may present with weakness, cramps, or palpitations depending on severity.

🟣 This is a classic lab pattern in purging-type bulimia.

🟣 Recognizing this helps prioritize monitoring of ABGs, potassium, and ECG.

normal weight

🟣 Many clients with bulimia maintain normal or near-normal weight because bingeing and purging may not cause major weight loss.

🟣 This can delay detection because the client may not “look” ill.

🟣 Behavioral signs (secretive eating, bathroom use after meals) and physiologic clues become key.

🟣 Normal weight does not reduce the risk of life-threatening electrolyte disturbances.

🟣 The nurse should still assess for purging complications despite normal BMI.

amenorrhea

🟣Amenorrhea is more strongly associated with anorexia nervosa due to severe caloric restriction and low body fat.

🟣It is not a hallmark symptom of bulimia, especially when weight is often normal.

lanugo

🟣Lanugo develops as the body attempts to conserve heat with very low body fat, typical of anorexia nervosa.

🟣It is not commonly seen in bulimia where weight is usually not extremely low.


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