Nursing Elites

1. Which of the following blood tests should be performed before a blood transfusion?

• A. Prothrombin and coagulation time
• B. Blood typing and cross-matching
• C. Bleeding and clotting time
• D. Complete blood count (CBC) and electrolyte levels

Correct answer: B

Rationale: Before administering a blood transfusion, it is crucial to perform blood typing and cross-matching to ensure compatibility between the donor's blood and the recipient's blood. This process helps prevent adverse reactions such as transfusion reactions, which can be life-threatening. Prothrombin and coagulation time, bleeding and clotting time, as well as CBC and electrolyte levels are important tests in other clinical contexts, but for blood transfusions, blood typing and cross-matching are essential to ensure patient safety.

2. A healthcare professional is preparing to measure an infant's temperature. Which of the following actions should the healthcare professional take?

• A. Place the tip of the thermometer under the center of the infant's axilla
• B. Pull the pinna of the infant's ear forward before inserting the probe
• C. Insert the probe 3.8 cm (1.5in) into the infant's rectum
• D. Insert the thermometer in front of the infant's tongue

Correct answer: A

Rationale: When measuring an infant's temperature, the most appropriate and non-invasive method is to place the tip of the thermometer under the center of the infant's axilla (armpit). This method is safe, quick, and comfortable for the infant. Inserting the probe into the rectum is invasive and not recommended for routine temperature measurement in infants. Inserting the thermometer in front of the infant's tongue is not a reliable method for measuring temperature. Pulling the pinna of the ear forward is a technique used for adults, not infants.

3. Mrs. Mitchell has been given a copy of her diet. The nurse discusses the foods allowed on a 500-mg low sodium diet. These include:

• A. A ham and Swiss cheese sandwich on whole wheat bread
• B. Mashed potatoes and broiled chicken
• C. A tossed salad with oil and vinegar and olives
• D. Chicken bouillon

Correct answer: B

Rationale: The correct answer is B: Mashed potatoes and broiled chicken. Both mashed potatoes and broiled chicken are typically low in sodium content, making them suitable choices for a 500-mg low sodium diet. The other options, such as a ham and Swiss cheese sandwich on whole wheat bread, a tossed salad with oil and vinegar and olives, and chicken bouillon, may contain higher amounts of sodium and are not typically recommended for a low sodium diet.

4. When is the most appropriate time for obtaining a sputum specimen for culture?

• A. Early in the morning
• B. After the patient eats a light breakfast
• C. After aerosol therapy
• D. After chest physiotherapy

Correct answer: A

Rationale: Obtaining a sputum specimen early in the morning is the most appropriate time because secretions have accumulated overnight. This timing provides the best sample with the least contamination, leading to more accurate culture results and aiding in diagnosing respiratory infections effectively.

5. What is the best description of resonance?

• A. Sounds created by air-filled structures
• B. Short, high-pitched, and thudding
• C. Moderately loud with a musical quality
• D. Drum-like

Correct answer: A

Rationale: Resonance refers to the quality of sound produced by vibrations that are reinforced by other vibrations of the same frequency. In the context of the human body, resonance is often associated with sounds produced by air-filled structures like the lungs, vocal cords, and resonating cavities. Therefore, the best description of resonance from the given options is 'Sounds created by air-filled structures.' This choice aligns with the concept of resonance as it relates to sound production in the human body. Choices B, C, and D are incorrect as they do not specifically relate to the concept of resonance or its association with air-filled structures.

Similar Questions