A 50-year-old male was splashed in the eyes with radiator fluid when he was working on his car. During your assessment, he tells you that he wears soft contact lenses. You should:
A. leave the contact lenses in place and cover both eyes with a dry dressing.
B. carefully remove the contact lenses and then irrigate his eyes with saline.
C. leave the contact lenses in place and flush his eyes with sterile water.
D. remove the contact lenses and cover his eyes with a dry, sterile dressing.
Answer: B. carefully remove the contact lenses and then irrigate his eyes with saline.
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In relation to the brainstem, the diencephalon is:
a. Superior b. Lateral c. Inferior d. Posterior
For a patient who is bleeding, which of the following is the immediate response of the human body?
A) Vasoconstriction caused by the parasympathetic nervous system B) Increased production of red blood cells and hemoglobin C) Vasoconstriction caused by the sympathetic nervous system D) Increased pulse pressure to promote better circulation of oxygen
If a patient's blood pressure cannot be increased by adding volume, then which other action would most likely be successful in increasing it?
A) Blocking beta actions of the sympathetic nervous system B) Decreasing the patient's preload C) Vasoconstriction of the body's arteries D) Decreasing the patient's afterload
When preparing a sterile needle-syringe unit, you should do all of the following except:
A) turn the hub of the needle counterclockwise to ensure that it is firmly attached B) check the package to be sure that you have the correct size syringe-needle C) wash your hands D) pull back on the plunger to loosen it prior to use