A 23-year-old sexually active female presents with white copious discharge and itch and is diag-nosed with yeast vaginitis. This condition is caused by overgrowth of which microorganism?
a. Escherichia coli
b. Lactobacillus acidophilus
c. Candida albicans
d. Neisseria gonorrhoeae
ANS: C
The most common cause of yeast vaginitis is Candida albicans. Changes in the vaginal pH may predispose a woman to such an infection by destroying normal vaginal flora, facilitating over-growth of Candida albicans and causing a yeast infection. E. coli does not cause yeast vaginitis nor does Lactobacillus acidophilus. Neisseria gonorrhoeae is the cause of gonorrhea.
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The range of motion that the thumb has but the first toe does not have and the joint that allows this range of motion are
a. opposition and retraction, a range of motion made possible by the saddle joint at the base of the thumb. b. opposition and circumduction, a range of motion made possible by the saddle joint at the base of the thumb. c. opposition and reposition, a range of motion made possible by the saddle joint at the base of the thumb. d. opposition and reposition, a range of motion made possible by the ellipsoid joint at the base of the thumb.
A typical sign or symptom of stress is _______
a. hypotension b. increased appetite c. anxiety d. increased sexual desire
When inserting a nasopharyngeal airway, the EMT should remember that the:
A) patient cannot be responsive nor have a gag reflex. B) oil-based lubricant is needed for smooth insertion. C) head-tilt, chin-lift or jaw-thrust is not needed after insertion. D) nasal mucosa may bleed even with proper insertion.
The effective dose (EfD) limit for the lens of the eye is
a. 5 mSv. b. 15 mSv. c. 50 mSv. d. 150 mSv.