Nursing Elites

1. Patients exhibiting signs of cyanosis will:

• A. show signs of hyperoxia.
• B. have increased O2 saturation.
• C. have blood levels of CO2 higher than O2 levels.
• D. None of the above.

Correct answer: C

Rationale: Cyanosis is a bluish discoloration of the skin and mucous membranes resulting from low blood oxygen levels. When a patient exhibits cyanosis, it indicates that their blood is poorly oxygenated, leading to a higher concentration of CO2 compared to oxygen. Options A and B are incorrect as cyanosis is associated with low oxygen levels, not hyperoxia or increased O2 saturation. Therefore, the correct answer is that patients exhibiting cyanosis will have blood levels of CO2 higher than O2 levels.

2. Which of the following lists the recommended sequence for removing soiled personal protective equipment when preparing to leave a patient's room?

• A. Gown, goggles, mask, gloves, and exit the room.
• B. Gloves, wash hands, remove gown, mask, and goggles.
• C. Gloves, goggles, gown, mask, and wash hands.
• D. Gloves, goggles, gown, mask, and wash hands.

Correct answer: D

Rationale: The correct sequence for removing soiled personal protective equipment is crucial to prevent contamination. Gloves should always be removed first as they are most likely to be contaminated. Following the removal of gloves, goggles, gown, mask, and finally washing hands is recommended. Choice A is incorrect as gloves should be removed first. Choice B is incorrect as the sequence is not in the recommended order. Choice D is incorrect as gloves should be removed before goggles.

3. What is the most important step that healthcare personnel can take to prevent the transmission of microorganisms in the hospital setting?

• A. Wear protective eyewear at all times.
• B. Wear gloves whenever in direct contact with patients.
• C. Wash hands before and after contact with each patient.
• D. Clean the stethoscope with an alcohol swab between patients.

Correct answer: C

Rationale: The most crucial step in preventing the transmission of microorganisms in the hospital setting is proper hand hygiene. Healthcare personnel should wash their hands thoroughly before and after each patient contact to reduce the risk of spreading infections. While cleaning the stethoscope with an alcohol swab between patients is recommended, it is secondary to hand hygiene. Wearing protective eyewear at all times is not necessary for routine patient care unless specifically indicated, and wearing gloves only when in direct contact with patients is important but not as critical as proper handwashing. Therefore, the correct answer is to wash hands before and after contact with each patient.

4. What is a common error when taking a pulse?

• A. Placing the index finger on the radial artery located on the thumb side of a patient's wrist.
• B. Noting a pulse as 'weak' when the pulsation disappears upon adding pressure.
• C. Counting the pulse for 15 seconds and multiplying the number by four.
• D. None of the above will cause errors.

Correct answer: C

Rationale: The correct answer is counting the pulse for 15 seconds and multiplying the number by four. To accurately assess a patient's heart rate or pulse, it is crucial to count the pulse for a full minute. Counting for only 15 seconds and then multiplying by four may result in an inaccurate heart rate calculation. This approach could miss arrhythmias or intermittent pulsations that could be vital indicators of the patient's condition. Placing the index finger on the radial artery, which is located on the thumb side of the patient's wrist, is the correct technique for taking a pulse. Noting a pulse as 'weak' when the pulsation disappears upon adding pressure is a valid observation and not an error in itself. Therefore, the most common error in this scenario is incorrectly calculating the pulse rate by multiplying a 15-second count by four.

5. Improper placement of the hands under the rib cage when performing the Heimlich maneuver could result in:

• A. damage to the manubrium of the sternum.
• B. damage to the xiphoid process.
• C. damage to the coccyx.
• D. None of the above is possible, even with improper hand placement.

Correct answer: B

Rationale: The xiphoid process is a small, cartilaginous extension at the inferior end of the sternum. Placing the hands improperly during the Heimlich maneuver too close to this process can result in it breaking off and potentially causing damage to internal organs. Choices A and C are incorrect because the manubrium of the sternum and the coccyx are not in the area where the hands would typically be placed during the Heimlich maneuver.

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