An adult trauma patient suffered a fall from greater than 15 feet. When predicting the injuries associated with this type of injury, the paramedic should evaluate the distance fallen, the position of the body on impact, and which of the following?

Correct Answer: A

Rationale: The correct answer is A: The type of landing surface involved. Evaluating the landing surface is crucial in predicting injuries as it can impact the distribution of forces on the body. A hard surface can result in more severe injuries compared to a softer surface. The other choices are incorrect. B (ambient temperature) is irrelevant to predicting injuries from a fall. C (neurological status) is important but not as directly related to predicting injuries from a fall as the landing surface. D (body parts struck) is important post-injury assessment but not as critical in predicting injuries at the scene.

Correct Answer: A

Rationale: The correct answer is A: The intravenous administration of 2-4 mg of morphine per a medical-control physician's order. Morphine is commonly used in myocardial infarction to reduce cardiac preload and afterload by dilating blood vessels, reducing workload on the heart. This helps improve blood flow to the heart muscle. Choice B is incorrect because medications like procainamide, atropine, and verapamil are used to control specific dysrhythmias, not specifically to reduce preload and afterload. Choice C is incorrect as sublingual nitroglycerin therapy primarily works by dilating coronary arteries to improve blood flow to the heart, rather than specifically reducing preload and afterload. Choice D is incorrect as high-flow oxygen therapy helps to increase oxygen delivery to tissues but does not directly reduce preload and afterload.

Correct Answer: D

Rationale: The correct answer is D: Diphenhydramine. Diphenhydramine is an anticholinergic medication that can effectively reverse the signs and symptoms of dystonia by blocking acetylcholine receptors. This helps reduce muscle spasms and involuntary movements associated with dystonia. Promethazine (A) and morphine sulfate (B) are not typically used to treat dystonia. Lidocaine (C) is a local anesthetic and is not effective in treating dystonia. Diphenhydramine is the most appropriate choice due to its mechanism of action in blocking acetylcholine receptors, making it effective in reversing dystonia symptoms.

Correct Answer: C

Rationale: The correct answer is C: Transcutaneous pacing. In this scenario of a patient with bradycardia and a second-degree type II AV block, transcutaneous pacing is the most appropriate next step if the patient fails to respond to atropine. Transcutaneous pacing involves placing external electrodes on the patient's chest to deliver electrical impulses to stimulate the heart, effectively pacing the heart and maintaining an adequate heart rate. This is crucial in a patient with symptomatic bradycardia and heart blocks as it can quickly and effectively increase the heart rate and improve cardiac output. The other choices are incorrect: A: Administering 1 milligram of epinephrine may be too aggressive and can further worsen the heart block in this case. B: Synchronized cardioversion at 10 joules is not indicated for bradycardia and can be harmful in this scenario. D: Administering a 500-milliliter IV bolus of normal

Correct Answer: C

Rationale: The correct answer is C: Level B. Level B personal protective clothing provides the highest respiratory system protection with a supplied-air respirator or self-contained breathing apparatus. This level offers a lower level of skin protection compared to Level A, which provides the highest level of both respiratory and skin protection. Level D does not provide any respiratory or skin protection, making it the least protective option. Level C offers a balance of respiratory and skin protection, but it is not as high as Level B for respiratory protection. Therefore, Level B is the best choice for high respiratory protection while sacrificing some level of skin protection.