H. pylori is the leading cause of peptic ulcers. How does H. pylori act to cause ulcers in susceptible clients?
A) Erodes the mucosal layer of the stomach
B) Decreases acid secretion so food can erode the lining of the stomach
C) Secretes an enzyme that depletes gastric mucus
D) Increases acid secretion so stomach acid actually erodes the lining of the stomach
C
Feedback:
H. pylori appears to secrete an enzyme that depletes gastric mucus, making the mucosal layer more susceptible to erosion.
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A nurse is caring for a client who is being administered oxygen through a liquid oxygen unit. What is the most common potential problem the nurse may face when using a liquid oxygen unit to administer oxygen?
A) It increases the client's electric bill. B) It produces an unpleasant odor. C) It requires a secondary source of oxygen. D) It leaks during warm weather.
When discussing the purpose of beginning methadone therapy for opioid addiction, which statement by the nurse is most appropriate?
A) "It is not addictive for heroin users." B) "It takes away the desire for narcotics." C) "There are no withdrawal symptoms." D) "Less time will be spent in drug-seeking behaviors."
A client with schizophrenia has recently begun a new medication, clozapine (Clozaril). Of which signs and symptoms of a potentially fatal side effect should a nurse teach the client?
A) Blurring vision and muscular weakness B) Sore throat, fever, and malaise C) Tremor, shuffling gait, and rigidity D) Fine tremor, tinnitus, and nausea
The mechanism of action for which medication involves converting plasminogen to plasmin?
A. Heparin B. Aspirin C. Alteplase D. Enoxaparin