You are performing Weber and Rinne hearing tests. For the Weber test, the sound lateralized to the unaffected ear; for the Rinne test, air conduction–to–bone conduction ratio is less than 2:1 . You interpret these findings as suggestive of:
a. a defect in the inner ear.
b. a defect in the middle ear.
c. otitis externa.
d. impacted cerumen.
A
These results are consistent with a sensorineural hearing loss, a defect in the inner ear. Otitis ex-terna and impacted cerumen are conditions of the external ear that can cause conductive hearing problems.
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A patient has a severed spinal nerve as a result of trauma. Which statement is true in this situation?
a. Because there are 31 pairs of spinal nerves, no effect results if only one nerve is severed. b. The dermatome served by this nerve will no longer experience any sensation. c. The adjacent spinal nerves will continue to carry sensations for the dermatome served by the severed nerve. d. A severed spinal nerve will only affect motor function of the patient because spinal nerves have no sensory component.
The nurse is teaching the patient, who has been newly prescribed etanercept (Enbrel), how to administer the medication. What statement is accurate?
A) "Be sure to drink a whole glass of water when swallowing the pill." B) "Do not take this medication for at least 1 hour after taking an antacid." C) "You can use each of the subcutaneous injection sites to avoid tissue damage." D) "Inject this medication deeply into the muscle to promote absorption."
The nurse clarifies that a subtotal thyroidectomy, which removes only two thirds of the gland, allows:
a. the patient to take minimum amounts of antithyroid drugs. b. continued production and release of thy-roid hormones from the remainder of the gland. c. the reduction of exophthalmos. d. for less postoperative risk than total thy-roidectomy.
A woman gives birth to a healthy newborn. As part of the newborn's care, the nurse instills erythromycin ophthalmic ointment as a preventive measure for which sexually transmitted infection (STI)?
A) Genital herpes B) Hepatitis B C) Syphilis D) Gonorrhea