Headaches considered to have an environmental etiology can be caused by which of the following? Select all that apply
a. Odors
b. Tobacco smoke
c. Glaring or flickering lights
d. Carbon monoxide poisoning
e. Monosodium glutamate (e.g., Chinese food)
f. Change in barometric pressure (from weather or altitude)
A, B, C, D, F
Environmental factors that can cause headaches include odors, tobacco smoke, glaring or flickering lights, carbon monoxide poisoning, and changes in barometric pressure (from weather or altitude). Monosodium glutamate (e.g., Chinese food) causes headaches with a food etiology.
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MC You need to prepare a 100-U/mL solution of heparin. You have 1:1000 heparin in a 1-mL vial. How much normal saline do you need to add to make the 100-U/mL solution?
A. 10 mL B. 9 mL C. 4 mL D. 2 mL
Which of the following drugs indicates the patient is toxic with a serum level of 1.5 mEq/L?
A. Lithium B. Ritalin C. Tofranil D. Buspar
The rehabilitation nurse recognizes that the majority of head injuries show no abnormal neurological findings and experience no loss of consciousness, which categorizes them as:
a. mild. b. moderate. c. severe. d. catastrophic.
The nurse is discussing the results of a patient's diagnostic testing with the nurse practitioner. What Weber test result would indicate the presence of a sensorineural loss?
A) The sound is heard better in the ear in which hearing is better. B) The sound is heard equally in both ears. C) The sound is heard better in the ear in which hearing is poorer. D) The sound is heard longer in the ear in which hearing is better.