The stomach doesn't digest itself because:
A. the hydrochloric acid is neutralized by sodium bicarbonate.
B. the chyme protects the stomach lining.
C. the bolus absorbs all the gastric juices.
D. the mucous lining acts as a barrier between the gastric juices and the stomach lining.
Answer: D
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SCENARIOUse this scenario to answer the following question(s).You and your partner are first on the scene of a motor vehicle collision. One vehicle is a compact car that is completely upside down on the road. You can see the driver moving slightly behind the deployed airbag. The other vehicle is an SUV on its side on a grassy verge with a slight incline. There are two people in the SUV.Which of the following is the correct thing to do regarding the overturned vehicle?
A. Without moving the vehicle, break the window and begin your primary assessment. B. When at least three other responders are on the scene, manually turn the car back over with their assistance. C. Attempt to gain access to the patient by opening the door and deflating the airbag. D. Stabilize the overturned vehicle while waiting for fire service units and before you try to reach the occupant.
Which of the following are true about the use of a metered dose inhaler?
1. Inertial impaction can be reduced if the patient holds the inhaler in the mouth. 2. Smaller particles will be produced in a cold environment. 3. Larger particles will be produced in a cold environment. 4. The optimum temperature for an inhaler canister is 37° C. 5. The inhaler needs to be shaken before actuation. a. 1, 3, and 4 c. 2 and 5 b. 2 and 4 d. 3, 4, and 5
What level of pressure support is available on the Hamilton G5?
a. 0 to 70 cm H2O c. 0 to 90 cm H2O b. 0 to 80 cm H2O d. 0 to 100 cm H2O
Arteries have one-way valves that prevent the backflow of blood.
Answer the following statement true (T) or false (F)