The nurse uses a closed-system (in-line) endotracheal (ET) suctioning system for the patient. Which does the nurse implement to prevent airway interference?
a. Inserts the catheter between ventilator cycles to avoid airway interference
b. Inserts the catheter 25.4 cm (10 inches) and applies continuous suction during withdrawal
c. Visualizes the black line in the sheath of the catheter before completing the proce-dure
d. Withdraws the suction catheter and dis-cards it after completing the procedure
C
The nurse visualizes the black line of the catheter after withdrawing the suction catheter from the ET because the black line indicates that the catheter is completely removed from the airway. The nurse inserts the catheter from suctioning during patient inhalation to avoid respiratory cycle in-terference for suctioning. The catheter is inserted until resistance is met to avoid suctioning in the main left or right bronchi. The closed-system suctioning system allows the nurse to use the same catheter for repeated patient suctioning by using sterile technique.
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The nurse researcher is writing the operational definition of a study variable. What information should be included in this definition?
1. How the variable relates to the hypothesis. 2. How the variable is defined in the study. 3. How the variable will be measured in a study. 4. How the variable relates to the specific group to be studied.
John Stuart Mill and the essentialists insisted that a cause be necessary and sufficient for an effect to occur
In a modern study alcohol dependency is found to lead eventually to permanent liver damage, except when the alcoholic consumes a diet plentiful in the B-vitamins. In addition, liver damage can emerge in the absence of alcohol dependency. What would John Stuart Mill and essentialists say about the causative relationship between alcohol dependency and liver damage? a. The proposed cause is necessary, but not sufficient. b. The proposed cause is neither necessary nor sufficient. c. The proposed cause is sufficient, but not necessary. d. The proposed cause is both necessary and sufficient.
Women who smoke during pregnancy are most likely to have infants who are what?
a. Large for gestational age b. Preterm but size appropriate for gestational age c. Growth restricted in weight only d. Growth restricted in weight, length, and chest and head circumference
To inspect the lateral borders of the tongue, you should:
a. ask the patient to extend the tongue out-ward. b. insert the tongue blade obliquely against the tongue. c. lift the tongue upward with gloved fin-gers. d. pull the gauze-wrapped tongue to each side.