Which of the following is an example of an environmental hazard that may put the healthcare professional at risk of injury?

Correct Answer: D

Rationale: Healthcare professionals, including nurses, are exposed to various environmental hazards that may negatively impact their physical or mental health. Hazards come in several forms, such as loud noise from hospital systems, which can damage hearing; airborne latex powder, leading to allergic reactions; and chemicals like ethylene oxide, a sterilizing agent that can cause cancer. Therefore, all the options listed pose risks to healthcare professionals, making 'All of the above' the correct answer. Choice A, loud noise, is a hazard that can affect hearing health. Choice B, airborne latex powder, can trigger allergic responses. Choice C, chemicals containing ethylene oxide, are hazardous and can lead to serious health issues. Each option represents a distinct environmental risk that healthcare professionals should be aware of and take precautions against.

Correct Answer: D

Rationale: The correct answer is D, 'ABC.' The ABC method stands for Airway, Breathing, Circulation. When encountering an unconscious patient, it is crucial to first ensure their Airway is clear by performing the 'head tilt, chin lift' maneuver. Next, assess Breathing by observing for chest rise and fall, listening for breath sounds, and feeling for airflow. Finally, check for Circulation by assessing for a pulse. Choices A, B, and C ('WBC,' 'QRS,' 'XYZ') are incorrect as they do not represent the standard approach to assessing an unconscious patient.

Correct Answer: D

Rationale: Hemorrhagic shock, also known as hypovolemic shock, is directly related to low blood volume due to significant blood loss. In hemorrhagic shock, the body's circulating blood volume is reduced, leading to inadequate perfusion of tissues and organs. Psychogenic shock is caused by emotional distress, not blood volume changes. Cardiogenic shock results from heart failure, not low blood volume. Anaphylactic shock is due to a severe allergic reaction, not a reduction in blood volume.

Correct Answer: C

Rationale: The correct answer is C. Listening only during inspiration instead of both inspiration and expiration indicates a need for a review of respiratory assessment skills. During chest auscultation, it is essential to listen to at least one cycle of inspiration and expiration at each placement of the stethoscope. Instructing the patient to breathe slowly and a little deeper than normal through the mouth is a correct practice during auscultation. The correct sequence for lung auscultation is from the apices to the bases, comparing breath sounds bilaterally, avoiding bony areas. It is crucial to place the stethoscope over lung tissue rather than bony prominences to accurately assess lung sounds.

Correct Answer: B

Rationale: The correct answer is 'Hands of healthcare workers.' MRSA is primarily transmitted via the unwashed hands of healthcare workers who can carry the Staphylococcus aureus bacterium from one patient to another. Shared needles, items in the healthcare environment, and blood transfusions are not the main routes of transmission for MRSA. Shared needles can transmit bloodborne pathogens, items in the healthcare environment can harbor bacteria but are not the primary mode for MRSA, and blood transfusions are not a common route for MRSA transmission.