The nurse is reviewing GI function with a patient. Which body structure should the nurse emphasize as accomplishing mechanical digestion in the stomach?

a. Mucosa
b. Gastric glands
c. Smooth muscle layers
d. Striated muscle layers


ANS: C
The stomach wall has three layers of smooth muscle that provide very efficient mechanical digestion to change food to a thick liquid called chyme. A. B. D. These structures do not perform mechanical digestion in the stomach.

Nursing

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A 75-year-old Hispanic male is brought to the clinic by his daughter, who tells the nurse she doesn't know what is wrong with her father. The daughter states her father is confused, agitated, and restless and has been for several weeks

What is one diagnosis the nurse should suspect? A) Duodenal ulcers B) Gastric cancer C) Peptic ulcers D) Chronic gastritis

Nursing

Which of the following types of sampling is considered to be the weakest?

a. Cluster b. Convenience c. Quota d. Systematic

Nursing

A female patient asks the nurse why she is always asked if she is pregnant before having an X-ray. What should the nurse explain to the patient?

A) "Radiation to a fetus can cause a malignancy.". B) "It is just something that we are expected to do.". C) "It identifies how much radiation your body can stand.". D) "It determines how long you can be in the radiation room.".

Nursing

A physician writes an order to "force fluids." What will be the first action the nurse will take in implementing this order?

A) Explain to the patient why this is needed. B) Tell the patient and family to increase oral intake. C) Decide how much fluid to increase each 8 hours. D) Divide the intake so the largest amount is at night.

Nursing