A nurse is preparing to perform a blood glucose test. After performing hand hygiene and donning gloves, in which order should the nurse perform the following actions to obtain a capillary blood sample? (Move the steps into the box on the right, placing them in the order of performance. Use all the steps.)
Pierce the puncture site quickly.
Allow the site to dry.
Cleanse the site with an antiseptic swab.
Apply blood to the test strip.
Squeeze the site gently to obtain a blood droplet.
Correct Answer : A,B,C,E
A. Pierce the puncture site quickly: The puncture is performed after proper site preparation and drying to minimize pain and reduce the risk of contamination. A quick puncture ensures adequate blood flow and less tissue trauma.
B. Allow the site to dry: After cleansing the site with an antiseptic swab, allowing it to air dry prevents alcohol or antiseptic residue from contaminating the blood sample. Residual moisture can interfere with test accuracy and cause stinging.
C. Cleanse the site with an antiseptic swab: Proper cleansing reduces the risk of infection at the puncture site. The site should be wiped using a circular motion and then allowed to dry completely before puncturing.
D. Apply blood to the test strip: Once a sufficient blood droplet is obtained, it is applied directly to the glucose test strip for accurate measurement. Proper application ensures the meter reads the correct glucose concentration.
E. Squeeze the site gently to obtain a blood droplet: Gentle pressure helps produce an adequate blood droplet without causing tissue trauma or hemolysis. Excessive squeezing can dilute the sample with interstitial fluid, affecting accuracy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "I should report episodes of diarrhea.": Lansoprazole can increase the risk of gastrointestinal infections because reduced stomach acid allows harmful bacteria to survive. Persistent diarrhea may signal C. difficile infection, which requires prompt evaluation. Reporting this symptom helps prevent complications and ensures timely treatment.
B. "I should expect the medication to cause indigestion.": Lansoprazole is designed to reduce gastric acid and relieve symptoms such as heartburn and indigestion. Experiencing indigestion would be inconsistent with its intended effects and may indicate improper use or another underlying issue.
C. "I should take the medication following a meal.": Proton pump inhibitors like lansoprazole work best when taken before meals because this timing enhances absorption and maximizes acid suppression. Taking it after eating may reduce its effectiveness.
D. "I should chew the capsule thoroughly.": Lansoprazole capsules are formulated as delayed-release granules that should be swallowed whole to maintain integrity. Chewing them disrupts the protective coating, leading to reduced effectiveness and potential irritation.
Correct Answer is C
Explanation
A. Set the indoor temperature at 17.8° C (64° F).: This temperature is too low for older adults, who have decreased thermoregulation and higher risk of hypothermia. Cooler indoor environments can cause rapid heat loss, especially when combined with limited mobility or chronic illness. A warmer home setting is recommended for safety.
B. Eat low-carbohydrate meals and snacks.: Carbohydrates provide quick energy that helps generate body heat, making them important in preventing hypothermia. A low-carbohydrate diet reduces available energy and can worsen cold intolerance in older adults. Higher-energy, balanced meals are more appropriate.
C. Cover the head when sleeping at night.: A significant amount of body heat is lost through the head, especially during sleep when metabolism slows. Wearing a hat or covering the head helps retain warmth and reduces the risk of hypothermia. This strategy is simple, effective, and appropriate for older adults.
D. Wear a single layer of warm clothing.: A single layer does not provide enough insulation in cold weather, particularly for older adults with reduced fat stores and slowed circulation. Layered clothing traps warm air between layers and offers better protection from heat loss.
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