You and your partner are dispatched to 1284 NW 152 Avenue for a child experiencing respiratory distress. On arrival, a frantic woman meets you at the door and begs you to hurry. She informs you that her 12-year-old son was playing in the backyard when he felt a sudden pain on the back of his leg. You find the child on the back porch, in obvious distress, leaning forward in a chair with his elbows on his knees, struggling to catch his breath. Due to severe dyspnea, he is unable to answer your questions. You also notice that his left arm is in a cast. Your partner immediately applies a nonrebreathing mask as you complete the primary assessment. The child’s respirations are rapid and shallow, and his pulse is rapid and thready. His skin is pale with patches of raised red spots on his hands, arms, and face. Your partner conducts a systematic rapid physical exam as you obtain vital signs and a SAMPLE history from the mother. When you inquire about allergies, the mother tells you the child had a very mild reaction to a bee sting several months ago. His medical history also includes asthma, anxiety, and a recent fracture of his arm. Your partner informs you that he heard wheezes in all lung fields and observed additional raised red spots on the child’s chest.What is the most common cause of anaphylactic reaction?

It is midmorning on a bright and sunny autumn day and your unit is dispatched to a park on East 14th Street for an unknown medical emergency. As you arrive, you see three middle-aged men sitting on a park bench. A police officer is on scene and tells you it is safe to approach. You notice one of the men appears to be looking straight up. The man next to him grabs his head and repositions it so he is facing forward. You can see the man is not moving or breathing. While your partner opens the airway bag, you and the police officer move the patient from the park bench onto the ambulance cot. Once the patient is positioned, your partner begins assisting the man’s respirations.Which of the following is NOT an intended meaning of the letter B in DUMBELS?

It is midmorning on a bright and sunny autumn day and your unit is dispatched to a park on East 14th Street for an unknown medical emergency. As you arrive, you see three middle-aged men sitting on a park bench. A police officer is on scene and tells you it is safe to approach. You notice one of the men appears to be looking straight up. The man next to him grabs his head and repositions it so he is facing forward. You can see the man is not moving or breathing. While your partner opens the airway bag, you and the police officer move the patient from the park bench onto the ambulance cot. Once the patient is positioned, your partner begins assisting the man’s respirations.As you load the patient into the ambulance, what should you do to assist your partner?

Your unit is dispatched to a construction site for a blast-related injury. Fire department personnel arrive before you and radio to tell you that the scene is safe. On your arrival, you are informed that your patient is a 46-year-old man who had been blasting rock and had set the fuse too short. As he was leaving the area to seek cover from the explosion, he was blown forward onto a gravel area. He tells you that he remembers everything and did not have a loss of consciousness. He also indicates that the entire front of his body hurts and he cannot hear well.On examination, you find minor bleeding from his ears and some cuts and bruises to his arms. As you remove his clothing, you find that his chest and abdomen are bruised. He reports increasing pain and severe trouble breathing. As you begin your transport, you notice that he is now has hematemesis, cool and clammy skin, tachycardia, and hypotension.On arrival at the scene, what is your initial concern?

You are dispatched to a bar following a physical altercation. The police have cleared the scene, and it is safe for you to enter. You see a man who is conscious and alert. His face is mottled with blisters and abrasions, and he has blood on his shirt. He tells you he was trying to stop the fight when he was hit in the face with scalding hot coffee and then he fell backward into a chair. Physical examination shows a jagged laceration measuring approximately 2 inches on his abdomen. It is still bleeding, and you notice bruising on the right lateral chest. Vital signs are stable.The priority in treating this patient is to:

Your unit is dispatched to a construction site for a blast-related injury. Fire department personnel arrive before you and radio to tell you that the scene is safe. On your arrival, you are informed that your patient is a 46-year-old man who had been blasting rock and had set the fuse too short. As he was leaving the area to seek cover from the explosion, he was blown forward onto a gravel area. He tells you that he remembers everything and did not have a loss of consciousness. He also indicates that the entire front of his body hurts and he cannot hear well.On examination, you find minor bleeding from his ears and some cuts and bruises to his arms. As you remove his clothing, you find that his chest and abdomen are bruised. He reports increasing pain and severe trouble breathing. As you begin your transport, you notice that he is now has hematemesis, cool and clammy skin, tachycardia, and hypotension.The minor bleeding from his ears is most likely an indication of:

You are dispatched to a motor vehicle crash on a rural road. On arrival you see a single vehicle in an embankment. The scene appears to be safe. The car has front-end damage and a starred windshield. You find an unrestrained driver sitting in the driver’s seat. He opens his eyes when you speak to him and is able to follow commands; however, he is confused and unable to tell you what happened. Examination reveals a laceration on the center of his forehead and a large bruise on his chest. Pulses and motor and sensory function are present in all extremities. His pulse is rapid, and breathing is slightly labored.What is your first concern in this situation?

You are called to an automotive body shop for a patient who has been physically assaulted. Law enforcement personnel have arrived and declared the scene safe. You and your partner find a 44-year-old man seated in an office holding the left side of his head. According to bystanders, the patient was struck on the side of his head with a tire iron during a dispute with another employee. He was unconscious for approximately 3 minutes.Which of the following are early signs of a head injury?

You are called to an automotive body shop for a patient who has been physically assaulted. Law enforcement personnel have arrived and declared the scene safe. You and your partner find a 44-year-old man seated in an office holding the left side of his head. According to bystanders, the patient was struck on the side of his head with a tire iron during a dispute with another employee. He was unconscious for approximately 3 minutes.When you secure this patient to a backboard, what area of the body should you secure last?

You are dispatched to a motor vehicle crash on a rural road where a single vehicle is up on an embankment. The vehicle has front-end damage and a starred windshield. The unrestrained driver is lying supine in the road; the police report that they found the patient outside of the vehicle. He is unconscious and has obvious facial bleeding. Examination reveals a hematoma and depression of the lefttemporal area, both eyes are black and blue, and one pupil is dilated, whereas the other is normal. The patient has blood coming from the nose and mouth, and palpation reveals subcutaneous emphysema around the clavicles and chest area. The patient’s breathing is labored, and the pulse is rapid and thready.The unequal pupils most likely indicate what type of injury?