A Guatemalan child with a history of
meconium ileus is brought to a clinic
because of a chronic cough. The mother notes a history of respiratory tract infections and bulky, foul-smelling
stools. After assessment of the
respiratory tract illness, the physician
should also look for signs of
A 4-year-old boy presents to the
emergency room with muscle spasms. His
past medical history is significant for recurrent infections and
neonatal seizures. Evaluation of his
serum electrolytes reveals hypocalcemia.
This patient would be most susceptible to which of the following diseases?
To provide anesthesia to a patient in the
third stage of labor, an obstetrician
palpates the ischial spine transvaginally, then injects a local anesthetic. Injection of anesthetic
at this approximate location will
most likely block which of the following nerves?
A 45-year-old male
presents to the physician with muscle cramps,
perioral numbness, and irritability over the past 3 to 4 months.
Lab results reveal hypocalcemia,
normal albumin level, and hyperphosphatemia
. Parathyroid hormone level is decreased. Alkaline phosphatase level
is normal. Which of the following is
most likely causing this clinical
A healthy, 37-year-old, recently divorced
woman loses her job at th e auto factory. She picks up her three young
children from the factory day care
center and gets into an automobile accident on the way home. Her 5-year-old son, who was not wearing a
seat belt, sustains a severe head
injury. The woman was not hurt in the accident, but is hyperventilating as she sits in the
waiting room at the hospital. She
complains of feeling faint and has blurred vision. Which of the following is decreased in this
A surgeon performs an exploratory
laparotomy, producing a large incision
in the patient's abdomen. Poor blood supply to which of the
following is most likely to cause
problems during the healing process?
A 25-year-old woman with sickle cell
anemia complains of steady pain in her
right upper quadrant with radiation to the right shoulder, especially after large or fatty meals. Her
physician diagnoses gallstones. Of
which of the following compounds are these stones most likely composed?
A 32-year-old, blood type A positive male
receives a kidney transplant from a
blood type B positive female donor with whom he had a 6-antigen HLA match. Once the kidney is anastomosed to
the man's vasculature, the transplant
team immediately begins to observe swelling and interstitial hemorrhage. After the surgery, the
patient developed fever and
leukocytosis and produced no urine. Which of the following is the most
A 32-year-old pregnant woman is told by
her physician to avoid taking aspirin.
Use of aspirin is contraindicated, especially during the last part of pregnancy, because aspirin affects
which of the following hematologic