Which of the following best describes a silent mutation?
A. A change in the DNA but no amino acid change
B. Insertion or deletion of one or more base pairs
C. Increases the number or frequency of mutations
D. A mutation that occurs in the absence of an exposure
Ans: A. A change in the DNA but no amino acid change
You might also like to view...
The patient that has a bipolar hip replacement following an intracapsular fracture has an order to be turned every 2 hours. The nurse understands that the correct nursing intervention is to keep the legs:
a. together so they do not separate while turning. b. flexed to stabilize the prosthesis. c. abducted so the prosthesis does not become dislocated. d. adducted to prevent additional pain for the patient with turning.
The nurse is developing a teaching plan on coping strategies for an extended family of a severely disabled 11-year-old child. What step should the nurse take first in developing this plan?
a. Assess the current coping patterns. b. Establish each member's role. c. Assign specific tasks and deadlines for each member. d. Assess which family member has the most ineffective coping patterns.
What type of data collection method could be used in a study assessing the crying patterns and feeding patterns of infants related to their gestational age at birth?
a. Interviews b. Observation c. Semantic differential scale d. Visual analogue scale
The resident of a long-term care facility is unable to ambulate without maximal assistance. The patient is restless and frequently attempts to get out of bed. What is the appropriate nursing action?
1. Use four-point restraints to prevent the resident from getting up alone. 2. Use sedation to keep the resident from attempting to get up. 3. Move the resident to a room near the nursing station for closer observation. 4. Inform the family that they need to hire a sitter to keep the resident safe.