104. A 32-year-old man is brought to the emergency department by ambulance 30 minutes after he was found unresponsive by his wife. Paramedics say that his blood glucose concentration was 22 mg/dL by fingerstick at the scene. He became responsive following administration of an ampule of 50% dextrose. On arrival, he says that he has a 3-month history of episodes of sweating and feeling shaky. His symptoms resolve when he eats a candy bar. Physical examination shows no abnormalities. The tentative diagnosis of insulinoma is made. In addition to a decreased glucose concentration, which of the following sets of findings in this patient during a fasting-induced hypoglycemic episode is most likely to confirm the diagnosis? A) B) C) D) F) Serum C Peptide Insulin ↑ ↑ T ↓ ↓ Urine Ketones present absent present absent present absent
104. A 32-year-old man is brought to the emergency department by ambulance 30 minutes after he was found unresponsive by his wife. Paramedics say that his blood glucose concentration was 22 mg/dL by fingerstick at the scene. He became responsive following administration of an ampule of 50% dextrose. On arrival, he says that he has a 3-month history of episodes of sweating and feeling shaky. His symptoms resolve when he eats a candy bar. Physical examination shows no abnormalities. The tentative diagnosis of insulinoma is made. In addition to a decreased glucose concentration, which of the following sets of findings in this patient during a fasting-induced hypoglycemic episode is most likely to confirm the diagnosis? A) B) C) D) F) Serum C Peptide Insulin ↑ ↑ T ↓ ↓ Urine Ketones present absent present absent present absent
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![104. A 32-year-old man is brought to the emergency department by ambulance 30 minutes after he was found unresponsive by his wife. Paramedics say that his blood glucose concentration was 22 mg/dL by
fingerstick at the scene. He became responsive following administration of an ampule of 50% dextrose. On arrival, he says that he has a 3-month history of episodes of sweating and feeling shaky. His
symptoms resolve when he eats a candy bar. Physical examination shows no abnormalities. The tentative diagnosis of insulinoma is made. In addition to a decreased glucose concentration, which of the
following sets of findings in this patient during a fasting-induced hypoglycemic episode is most likely to confirm the diagnosis?
A)
B)
C)
D)
E)
F)
Serum
C Peptide
↑
Insulin
1
↓
Urine
Ketones
present
absent
present
absent
present
absent](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc600b0d5-f546-4737-8728-f3811232eff5%2Ffc3d6389-cc20-423f-928f-04b6a4b3fffb%2F8jjo7sa_processed.png&w=3840&q=75)
Transcribed Image Text:104. A 32-year-old man is brought to the emergency department by ambulance 30 minutes after he was found unresponsive by his wife. Paramedics say that his blood glucose concentration was 22 mg/dL by
fingerstick at the scene. He became responsive following administration of an ampule of 50% dextrose. On arrival, he says that he has a 3-month history of episodes of sweating and feeling shaky. His
symptoms resolve when he eats a candy bar. Physical examination shows no abnormalities. The tentative diagnosis of insulinoma is made. In addition to a decreased glucose concentration, which of the
following sets of findings in this patient during a fasting-induced hypoglycemic episode is most likely to confirm the diagnosis?
A)
B)
C)
D)
E)
F)
Serum
C Peptide
↑
Insulin
1
↓
Urine
Ketones
present
absent
present
absent
present
absent
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