A rock is dropped from a cliff. As the rock drops, its potential energy _________ and its kinetic energy _________.
A. decreases, increases
B. increases, decreases
C. decreases, decreases
D. increases, increases
Answer: A
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A patient who is severely short of breath and covered with hives states that she is allergic to crab but tried some crab dip 10 minutes ago. Which one of the following questions would the EMT ask first?
A) "How many allergic reactions have you had?" B) "Why did you eat the dip if you are allergic to crab?" C) "What medications are you currently taking?" D) "Do you have an epinephrine auto-injector?"
When using gloves, when should a medical assistant perform hand hygiene?
A. Before using gloves B. After using gloves C. Both before and after using gloves D. Hand hygiene isn't necessary when using gloves
Stopping air supply to the fire floor while continuing air supply to non-fire floors creates a:
A) negative pressure. B) misdirection of smoke. C) pressure sandwich. D) smothering of the fire.
HMOs provide the insurance coverage and:
a. claims administration. b. the health care. c. the physicians. d. the facility.