Roxanita
10-20-2004, 01:11 PM
Q-1
A 34-year-old woman has had fatigue, irritability, intermittent lightheadedness, and heavy menstrual periods for the past 6 months. Laboratory evaluation is most likely to show which of the following?
A) Decreased serum vitamin B12 (cyanocobalamin) concentration
B) Hypercalcemia
C) Hypocalcemia
D) Increased serum vitamin B12 (cyanocobalamin) concentration
E) Megaloblastic anemia
F) Microcytic anemia
Q-2
A previously healthy 32-year-old woman has the onset of recurrent headaches. She develops nausea, vomiting, weakness, abdominal pain, and easy bruisability. Her temperature is 38.5 C (101.3 F). Laboratory studies show:
Hemoglobin 6.9 g/dL
Leukocyte count 15,000/mm3
Mean corpuscular volume 78 μm3
Platelet count 30,000/mm3
She is immediately admitted to the hospital. Over the next few days, she develops progressive lethargy and lapses into a coma. A peripheral blood smear is most likely to show
A) macrocytes
B) schistocytes
C) sickle cells
D) spherocytes
E) target cells
A 34-year-old woman has had fatigue, irritability, intermittent lightheadedness, and heavy menstrual periods for the past 6 months. Laboratory evaluation is most likely to show which of the following?
A) Decreased serum vitamin B12 (cyanocobalamin) concentration
B) Hypercalcemia
C) Hypocalcemia
D) Increased serum vitamin B12 (cyanocobalamin) concentration
E) Megaloblastic anemia
F) Microcytic anemia
Q-2
A previously healthy 32-year-old woman has the onset of recurrent headaches. She develops nausea, vomiting, weakness, abdominal pain, and easy bruisability. Her temperature is 38.5 C (101.3 F). Laboratory studies show:
Hemoglobin 6.9 g/dL
Leukocyte count 15,000/mm3
Mean corpuscular volume 78 μm3
Platelet count 30,000/mm3
She is immediately admitted to the hospital. Over the next few days, she develops progressive lethargy and lapses into a coma. A peripheral blood smear is most likely to show
A) macrocytes
B) schistocytes
C) sickle cells
D) spherocytes
E) target cells