Laboratory findings include a blood urea nitrogen >30 mg/dL, serum ferritin levels higher than normal, and a normocytic, normochromic morphology. What cause can be attributed to the anemia?
a. Chronic renal disease
b. Iron deficiency
c. Diamond-Blackfan anemia
d. Fanconi's syndrome
Correct Answer: A
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A patient is stabilized on warfarin therapy and being monitored using the prothrombin time (PT) followed by calculation of the international normalized ratio (INR). The formula for calculating the INR is:
INR = (PTpatient/PTnormal)ISI (where ISI = international sensitivity index) What is used for the PTnormal? a. Arithmetic mean PT for the control b. Geometric mean PT for the reference population c. Arithmetic mean PT as found in a standard reference textbook d. Geometric mean PT reported by the manufacturer of the PT reagent being used
During oral intubation of an adult, the endotracheal tube should be advanced into the trachea about how far?
a. Until its cuff has passed the cords b. Just far enough so that the tube cuff is no longer visible c. Until its cuff has passed the cords by 2 to 3 in d. Until its tip has passed the cords by 2 to 3 cm
The symptoms that are produced by certain drugs, poisons, and traumatic lesions in the basal ganglia are referred to as:
A. parkinsonism B. mood disorders C. bipolar disorder D. Alzheimer's disease
All of the following factors may play a role in causing cervical cancer EXCEPT _________
a. sexual activity with multiple partners b. frequent sexual intercourse with the same partner c. sexual intercourse at an early age d. sexual intercourse with a partner who has had risky sexual activity