Your patient is a nine-year-old female who was injured when her hand slipped into a hole in the ground while she was turning a cartwheel. She is upset and has an obvious deformity of her left humerus. She asks you if her arm is broken. Which of the following is the best response?
A) "I'm sure you'll be fine."
B) "I think it may be badly bruised."
C) "It looks that way, but an X-ray at the hospital will let us know for sure."
D) "I can't tell you what I think. I'm not a doctor."
C
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You are asked to test the osmotic fragility of a patient's red blood cells (RBCs). After calculating the percent lysis, you plot the results. The patient's lysis curve is significantly shifted to the left of the normal curve
What does this indicate? A) The patient's RBCs have a high osmotic fragility, consistent with the presence of spherocytes. B) The patient's RBCs have a high osmotic fragility, consistent with the presence of target cells. C) The patient's RBCs have a low osmotic fragility, consistent with the presence of spherocytes. D) The patient's RBCs have a low osmotic fragility, consistent with the presence of target cells.
Which hormone, when at lower levels, decreases water permeability in the distal convoluted tubule and the collecting duct?
A) Antidiuretic hormone B) Epinephrine C) Aldosterone D) Thyroxine
Which of the following bones make up the palm of the hand?
a. carpals b. metacarpals c. phalanges d. radii
Select the word that is spelled correctly
A) ?urinery B) ?uranary C) ?urenery D) ?urinary