A solution of pure water is placed on the left side of a chamber. A solution of 10 mol/L glucose in water is placed on the right side of the chamber. A semi-permeable membrane that only permits water to pass is placed between the two chambers
After five minutes there has been a net movement of water to the right chamber. Which of the following best explains why?
A) The water moves because it is attracted to the negatively charged glucose molecules.
B) The water moves to absorb the free glucose molecules.
C) The water moves to evenly distribute the pressure of the glucose molecules.
D) The water moves to reduce the difference in the concentration of the two solutions.
D
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Fill in the blank(s) with correct word
Which of the following best describes the significance of finding an abrasion during the prehospital assessment of the pediatric trauma patient?
A) Abrasions are superficial wounds and not of particular concern in the prehospital setting. B) There is a risk of infection. C) There is proportionally greater fluid loss when compared with an adult. D) It is a possible indication of more significant trauma beneath the abrasion.
The patient must be moved immediately from a structure that has caught fire. He is lying on the ground wearing shorts and a tee shirt. You are by yourself and have no other supplies or materials. What type of move would be MOST appropriate in this situation?
A) The armpit-forearm drag B) The extremity lift C) The shirt drag D) The direct carry
What type of dressing facilitates new tissue growth and is commonly used on burn wounds?
a. Wet-to-wet b. Wet-to-dry c. Silicone d. Dry sterile