The final step of the cell cycle, when the cell splits into two new cells, is known as:
A. DNA synthesis
B. mitosis
C. resting stage
D. gap phase
b
Rationale: The final step of the cell cycle is mitosis, when the cell splits into two new cells. This lasts only 30 to 60 minutes.
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Which of the following situations is not an indication for the use of restraints?
a. The patient is in imminent danger of harming himself. b. The patient is alert, rational, and refuses medical care. c. Others present are in imminent danger from the patient. d. The use of verbal calming skills is no longer effective, and the patient is a danger to himself or others.
The sievert and rem are units of measurement for:
a. the radiation exposure in the air. b. the amount of energy absorbed by tissues. c. the comparison of biological effects. d. All of the above.
Powered equipment such as ear drills and irrigation and aspiration units should always be tested prior to use to prevent delay or possible patient injury
a. True b. False Indicate whether the statement is true or false
A series of tissue density values that evolved for CT measurements is called ____ units.
a. Hounsfield b. H & D c. attenuation d. iterative