19. [Momentum/Conservation of Momentum] Two carts are initially at rest on a frictionless track. Cart A has twice the mass of Cart B. A compressed spring between the carts is released, causing the carts to move apart. Which comparison is correct immediately after they separate? Show clear work for this problem, including setup, equations, substitutions, units, and reasoning when applicable.

2. [Work and Work-Energy] A warehouse worker lowers a box straight downward at constant speed. The worker’s force on the box is upward. What is the sign of the work done by the worker’s force on the box? Show clear work for this problem, including setup, equations, substitutions, units, and reasoning when applicable.

Did you have a great time in New York? (This is a freebie.)

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Which of the following does NOT pertain to Pasteurella multocida?

A  specimen from a 5 year old child with a severe ear and sinus infection grows an organism shown in the image below. The organism tested positive for oxidase, non fermentative on carbohydrates, glucose, maltose, lactose or sucrose but Dnase positive. j_eyei2__xid72575133_2.bmp

A scotochromogen will produce pigment under which of the following conditions?

Which of the following is associated with infections that result from fist fights or human bites?

Which of the following member of the normal oral flora that is a Gram negative small coccobacillus known to pit the agar, smells like bleach, and causes wound infections associated with clenched fist fights?

Which statement best describes the primary role of the Texas Board of Nursing?