A vial of 3 mg silver chloride (AgCl) is poured into a flask containing 100 mL water and mixed. After 24 hours, 2.9 mg of silver chloride remains as a solid at the bottom of the flask. Which of the following terms best describes the ability of silver chlo
A) Insoluble
B) Partly soluble
C) Soluble
D) Sparingly soluble
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Q. 2) The ratio of substance X to substance Y in a solution is measured in two separate trials. The concentrations, ratios of X/Y, and log(X/Y) are presented in this table. Trial Concentration of X Concentration of Y Ratio X/Y log(X/Y) 1 20 10 2 0.301 2 10
A) 0.301
B) -0.301
C) 3.01
D) -3.01
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Q. 3) You are asked to calculate the creatinine clearance rate for a patient and are presented with the following data: Urine Creatinine 1.75 mg/dL Plasma Creatinine 3.22 mg/dL Surface area of patient's body 42 m2 What other information do you need to c
A) The total volume of the patient
B) The total volume of the patient's plasma
C) The total volume of the plasma sample
D) The total volume of the urine sample
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Q. 4) A solution in which the solvent is water is referred to as
A) aqueous.
B) dissolved.
C) liquid.
D) soluble.
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Q. 5) Obstructive uropathy is:
A) erectile dysfunction.
B) fecal incontinence.
C) inability of urine to flow.
D) urinary incontinence.
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Q. 6) What is the general rule for converting a number greater than 1 into exponential notation?
A) Move the decimal to the left until the number has a value between 1 and 10, and add 10b where b is the number of places you moved the decimal.
B) Move the decimal to the right until the number has a value between 1 and 10, and add
10-b where b is the number of places you moved the decimal.
C) Move the decimal to the left until the number has a value between 1 and 10, and add 10-b where b is the number of places you moved the decimal.
D) Move the decimal to the right until the number has a value between 1 and 10, and add
10b where b is the number of places you moved the decimal.
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Q. 7) Code 69801 for a labyrinthotomy with perfusion of vestibuloactive drugs in the transcanal.
A) True
B) False
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Q. 8) A colleague generates a best-fit line through a set of data points and asks you to confirm its usefulness and goodness-of-fit. You perform a root-mean-squared-error (RMSE) calculation and come up with a very small RMSE value. Based on this value you deter
A) deviates far from the data points.
B) fits the data well.
C) is useless for interpolation but valid for extrapolation.
D) predicts a value that is too far from the actual value.
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Q. 9) Code 58263 for a hysterectomy with the removal of the ovary and repair of the enterocele.
A) True
B) False
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Q. 10) What is a ratio?
A) The product of two numbers
B) The quotient of two numbers
C) The sum of two numbers
D) The variance of two numbers
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