A 32-year-old man is brought to the emergency department because he was found stumbling in the street heedless of oncoming traffic. On arrival, he is found to be sluggish and has slow and sometimes incoherent speech. He is also drowsy and falls asleep several times during questioning. Chart review shows that he has previously been admitted after getting a severe cut during a bar fight. Otherwise, he is known to be intermittently homeless and has poorly managed diabetes. Serum testing reveals the presence of a substance that increases the duration of opening for an important channel. Which of the following symptoms may be seen if the most likely substance in this patient is abruptly discontinued?
ATremors
BInsomnia
CDelayed delirium
DPiloerection
ESeizures
A genetic population study is being conducted to find the penetrance of a certain disease. This disease is associated with impaired iron metabolism and primarily affects the liver. Patients often present with diabetes and bronze skin pigmentation. After a genetic screening of 120 inhabitants with a family history of this disease, 40 were found to have the disease-producing genotype, but only 10 presented with symptoms. What are the chances of the screened patients with said genotype developing the disease phenotype?
A0.4%
B40%
C3%
D4%
E25%
A 49-year-old woman presents to the clinic for a routine exam. She recently quit smoking after a 30 pack-year history and started exercising a little. Past medical history is noncontributory. She takes no medication. Her mother died at 65 from lung cancer. She rarely drinks alcohol and only uses nicotine gum as needed. She admits to having some cravings for a cigarette in the morning before work, and after work. Which of the following best describes this patient’s stage in overcoming her nicotine addiction?
ARelapse
BContemplation
CMaintenance
DPrecontemplation
EAction
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