Quiz 4: Ch 9 & 10

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A pocket mask with no supplemental oxygen would provide the patient an oxygen concentration of: A. 16 % B. 21 % C. 100 % D. 50 %

A. 16 %

A nonrebreather mask at 12 to 15 liters per minute will generally provide the patient what percentage of​ oxygen? A. 80-90 B. 16-21 C. 24-44 D. 40-60

A. 80-90

In which of the following situations should the EMT consult the North American Emergency Response Guidebook? A. A chlorine gas leak at a public swimming pool B. A domestic disturbance with the potential for violence C. A patient with a suspected infectious disease D. Downed power lines at the scene of a vehicle collision

A. A chlorine gas leak at a public swimming pool

Which of the following situations will NOT require additional resources at the scene? A. A patient with emphysema who is on oxygen therapy at home B. A call for a sick person at home during which an odor of natural gas is detected C. A call to a manufacturing plant where a worker has his hand caught in a machine D. A 300-pound woman complaining of back pain

A. A patient with emphysema who is on oxygen therapy at home

Which of the following will deliver a medium velocity impact? A. Bullet from a handgun B. Ice pick C. Butcher knife D. Bullet from an assault rifle

A. Bullet from a handgun

Which of the following is NOT determined in a scene size-up? A. Chief complaint B. Mechanism of injury C. Potential hazards to the EMS crew D. The need for additional resources

A. Chief complaint

While transporting a patient to the hospital you should: A. Continue assessing your surroundings for danger. B. Drive as fast as possible using your warning devices. C. Assume that other drivers will grant you passage. D. Follow your police escort closely through intersections.

A. Continue assessing your surroundings for danger.

Which of the following is true concerning scene size-up? A. The need for additional resources must be determined on both medical and trauma calls. B. Scene size-up does not play a role in determining the nature of the illness. C. Determining the number of patients is not important on a medical call. D. Information from bystanders is not important on trauma calls.

A. The need for additional resources must be determined on both medical and trauma calls.

A fall is considered severe anytime the patient has fallen from a height more than ________ time(s) the height of the patient. A. Three B. One C. Five D. Six

A. Three

Which of the following is acceptable for maintaining a seal between an oxygen cylinder and​ regulator? A. A pop-off valve B. A flexible gasket C. A light coating of lubricant D. Medical grade adhesive tape

B. A flexible gasket

The normal stimulus to breathe is stimulated by the chemoreceptors that measure the change of what two gases? A. Low hydrogen and high carbon dioxide B. High carbon dioxide and low oxygen C. High hydrogen and low carbon dioxide D. High carbon dioxide and low oxygen

B. High carbon dioxide and low oxygen

Which of the following is the best device to deliver high-concentration oxygen to a breathing patient? A. Simple face mask B. Nonrebreather mask C.Nasal cannula D. Oropharyngeal airway

B. Nonrebreather mask

You are called to a motor vehicle collision where the car is on fire. You should ensure safety​ by: A. borrowing turnout gear from the fire department. B. remaining a safe distance from the car until the fire is out. C. putting your unit back in service and leaving the scene. D. using your fire extinguisher to put out the fire.

B. remaining a safe distance from the car until the fire is out.

The oxygen flow rate for a nasal cannula should not exceed​ ________ liters per minute. A. 8 B. 4 C. 6 D. 2

C. 6

At which of the following points should you begin your scene size-up? A. After exiting the ambulance, but before making patient contact. B. When you arrive on the scene, but before exiting the ambulance. C. As you approach the scene in the ambulance. D. When the patient or family member opens the door to the residence.

C. As you approach the scene in the ambulance.

You and your partner are en route to a motor vehicle crash involving a tanker truck on a rural road. Dispatch informs you that fluid is leaking from the truck and that there are several bystanders passed out on the ground near the cab of the truck. You should: A. Remove the bystanders from the scene. B. Park at least 50 feet from the truck. C. Consult the Emergency Response Guidebook. D. Park downwind from the tanker truck.

C. Consult the Emergency Response Guidebook.

A 16-year-old patient presents with labored breathing and increased respiratory rate, increased heart rate, and leaning forward with his hands on his knees. His skin is pink and his pulse oximetry is 96. This patient is suffering from respiratory: A. Failure B. Hypoxia C. Distress D. Arrest

C. Distress

Why is inhalation described as an active process? A. It requires the diaphragm to relax and use energy to move, creating a positive pressure. B. It requires chest muscles to relax and use energy to move, creating a positive pressure. C. It requires chest muscles to contract and use energy to move, creating a negative pressure. D. It uses oxygen to assist chest muscles to contract, creating a negative pressure.

C. It requires chest muscles to contract and use energy to move, creating a negative pressure.

An injury caused by an object that passes through the skin or other body tissue is known as which of the following? A. Cavitating trauma B. Puncturing trauma C. Penetrating trauma D. Impaling trauma

C. Penetrating trauma

Which of the following is NOT a consideration that should be used by the EMT in establishing the size of the danger zone? A. Presence of hazardous materials B. Wind direction C. The amount of equipment needed D. Fire

C. The amount of equipment needed

What law of physics explains why a patient's liver can be injured from the impact of his car with a tree? A. The second law of motion B. Newton's law of moving energy C. The law of inertia D. The law of kinetic energy

C. The law of inertia

Which of the following statements BEST describes the exchange of gas in the​ alveoli? A. Blood moves by way of the pulmonary​ capillaries, air arrives at the​ alveoli, and osmosis occurs. B. Blood moves from the left heart to the​ lungs, air arrives in the alveoli​ sacks, and diffusion occurs. C. Air moves into the​ airway, blood arrives via the pulmonary​ veins, and osmosis occurs. D. Air moves into the​ alveoli, blood is transported by the pulmonary​ capillaries, and diffusion occurs.

D. Air moves into the​ alveoli, blood is transported by the pulmonary​ capillaries, and diffusion occurs.

If each of the following cylinders were set to the same flow rate, which one will run out first? A. E cylinder B. M cylinder C. G cylinder D. D cylinder

D. D cylinder

When considering the potential for injury from a fall, which of the following is LEAST important? A. The height of the fall B. The type of surface onto which the patient fell C. What body part the patient landed on D. The patient's weight

D. The patient's weight

The process of air moving in and out of the chest is called: A. Tidal volume B. Inhalation C. Respiration D. Ventilation

D. Ventilation


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