NU 665C Week 8 study guide for Exam 2 with
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correct answers |
A |17-year-old |female |with |a |BMI |of |16 |presents |with |amenorrhea, |lanugo, |bradycardia, |and |severe |
food |restriction. |What |is |the |most |likely |diagnosis? |- |CORRECT |ANSWER-Anorexia |Nervosa |
(Restricting |Type).
A |22-year-old |college |student |reports |binge |eating |followed |by |self-induced |vomiting |at |least |twice |a |
week |for |the |last |4 |months. |Her |BMI |is |normal. |What |is |the |most |likely |diagnosis? |- |CORRECT |
ANSWER-Bulimia |Nervosa.
A |30-year-old |woman |has |recurrent |binge |eating |episodes |without |purging. |She |feels |guilty |after |eating
|large |amounts |of |food |and |eats |even |when |not |hungry. |What |is |the |best |pharmacologic |treatment? |- |
CORRECT |ANSWER-Lisdexamfetamine |(Vyvanse) |or |an |SSRI.
A |9-year-old |boy |refuses |to |eat |many |foods |due |to |their |texture, |leading |to |nutritional |deficiencies |and |
weight |loss. |He |has |no |body |image |concerns. |What |is |the |most |likely |diagnosis? |- |CORRECT |
ANSWER-Avoidant/Restrictive |Food |Intake |Disorder |(ARFID).
Anorexia |Nervosa |(AN)
🔹 |Why |does |hypokalemia |occur? |- |CORRECT |ANSWER-Inadequate |intake |+ |purging |(if |present) |= |
low |potassium |→ |risk |for |cardiac |arrhythmias.
Anorexia |Nervosa |(AN)
What |is |refeeding |syndrome, |and |why |is |it |dangerous? |- |CORRECT |ANSWER-Occurs |when |a |
malnourished |patient |starts |eating |again.
Phosphorus, |magnesium, |and |potassium |drop |suddenly |→ |can |cause |fatal |cardiac |arrhythmias.
Prevention: |Start |feeding |slowly |and |supplement |phosphorus.
Why |do |AN |patients |have |bradycardia |& |hypotension? |- |CORRECT |ANSWER-Body |conserves |
energy |→ |lowers |metabolism, |heart |rate, |and |blood |pressure |to |survive |starvation.
HR |< |40 |bpm |→ |may |require |hospitalization.
A |16-year-old |girl |is |brought |to |the |ED |for |dizziness |and |fainting. |Her |BMI |is |15.5, |and |vitals |show |HR |
38 |bpm, |BP |88/52 |mmHg. |Labs |show |hypokalemia, |hypophosphatemia, |and |metabolic |alkalosis. |What
|is |your |next |step? |- |CORRECT |ANSWER-Hospital |admission |for |cardiac |monitoring, |electrolyte |
correction, |and |slow |refeeding
Bulimia |Nervosa |(BN)
🔹 |Why |does |vomiting |cause |hypochloremic |metabolic |alkalosis? |- |CORRECT |ANSWER-Loss |of |
stomach |acid |(HCl) |leads |to |increased |bicarbonate, |causing |alkalosis.
Nursylab.com
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correct answers |
A |17-year-old |female |with |a |BMI |of |16 |presents |with |amenorrhea, |lanugo, |bradycardia, |and |severe |
food |restriction. |What |is |the |most |likely |diagnosis? |- |CORRECT |ANSWER-Anorexia |Nervosa |
(Restricting |Type).
A |22-year-old |college |student |reports |binge |eating |followed |by |self-induced |vomiting |at |least |twice |a |
week |for |the |last |4 |months. |Her |BMI |is |normal. |What |is |the |most |likely |diagnosis? |- |CORRECT |
ANSWER-Bulimia |Nervosa.
A |30-year-old |woman |has |recurrent |binge |eating |episodes |without |purging. |She |feels |guilty |after |eating
|large |amounts |of |food |and |eats |even |when |not |hungry. |What |is |the |best |pharmacologic |treatment? |- |
CORRECT |ANSWER-Lisdexamfetamine |(Vyvanse) |or |an |SSRI.
A |9-year-old |boy |refuses |to |eat |many |foods |due |to |their |texture, |leading |to |nutritional |deficiencies |and |
weight |loss. |He |has |no |body |image |concerns. |What |is |the |most |likely |diagnosis? |- |CORRECT |
ANSWER-Avoidant/Restrictive |Food |Intake |Disorder |(ARFID).
Anorexia |Nervosa |(AN)
🔹 |Why |does |hypokalemia |occur? |- |CORRECT |ANSWER-Inadequate |intake |+ |purging |(if |present) |= |
low |potassium |→ |risk |for |cardiac |arrhythmias.
Anorexia |Nervosa |(AN)
What |is |refeeding |syndrome, |and |why |is |it |dangerous? |- |CORRECT |ANSWER-Occurs |when |a |
malnourished |patient |starts |eating |again.
Phosphorus, |magnesium, |and |potassium |drop |suddenly |→ |can |cause |fatal |cardiac |arrhythmias.
Prevention: |Start |feeding |slowly |and |supplement |phosphorus.
Why |do |AN |patients |have |bradycardia |& |hypotension? |- |CORRECT |ANSWER-Body |conserves |
energy |→ |lowers |metabolism, |heart |rate, |and |blood |pressure |to |survive |starvation.
HR |< |40 |bpm |→ |may |require |hospitalization.
A |16-year-old |girl |is |brought |to |the |ED |for |dizziness |and |fainting. |Her |BMI |is |15.5, |and |vitals |show |HR |
38 |bpm, |BP |88/52 |mmHg. |Labs |show |hypokalemia, |hypophosphatemia, |and |metabolic |alkalosis. |What
|is |your |next |step? |- |CORRECT |ANSWER-Hospital |admission |for |cardiac |monitoring, |electrolyte |
correction, |and |slow |refeeding
Bulimia |Nervosa |(BN)
🔹 |Why |does |vomiting |cause |hypochloremic |metabolic |alkalosis? |- |CORRECT |ANSWER-Loss |of |
stomach |acid |(HCl) |leads |to |increased |bicarbonate, |causing |alkalosis.
Nursylab.com
