The nursing instructor teaches the student nurses about histamine receptors and evaluates that further instruction is needed when the students make which statement?
1. "H1-receptors are found in the stomach."
2. "H1-receptors are responsible for allergic symptoms."
3. "H2-receptors increase mucus secretion in the stomach."
4. "H2-receptors are responsible for peptic ulcers."
Correct Answer: 1
Rationale 1: H2-receptors are found in the stomach.
Rationale 2: The histamine receptors responsible for allergic symptoms are called H1 receptors.
Rationale 3: H2-receptors increase mucus secretion in the stomach.
Rationale 4: H2-receptors are responsible for peptic ulcers.
You might also like to view...
The nurse is caring for a preoperative patient who has just received sedation prior to general anesthesia in the OR. What is the priority action of the nurse?
a. Check to make sure that the consent form was signed. b. Turn off the lights and provide a quiet environment. c. Raise the side rails on the patient's stretcher. d. Indicate the surgical site with an indelible marker.
While reviewing newly prescribed orders, the nurse begins to prepare a patient to receive plasminogen activator alteplase (tPA). What should the nurse realize about this patient's health problem?
Select all that apply. 1. The patient had an ischemic stroke. 2. The patient had a hemorrhagic stroke. 3. The patient has uncontrollable seizure activity. 4. The patient had a stroke less than 3 hours ago. 5. The patient's systolic blood pressure is greater than 200 mmHg.
The nurse is observing a student who is preparing to perform an ear examination for a 30-year-old patient. The nurse will need to intervene if the student
a. pulls the auricle of the ear up and posterior. b. chooses a speculum larger than the ear canal. c. stabilizes the hand holding the otoscope on the patient's head. d. stops inserting the otoscope after observing impacted cerumen.
When generalized anxiety disorder occurs in children, it is often referred to as:
a. worry excess syndrome b. overanxious disorder of childhood c. excessive worry syndrome d. anxiety distress disorder