The ________ muscle(s) flex(es) the distal joints of the fingers, but NOT the thumb
a. flexor carpi radialis and flexor carpi ulnaris
b. palmaris longus
c. extensor carpi radialis longus and brevis
d. flexor digitorum profundus
d
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A wound that is draining and necrotic requires:
A. a dressing that can stay in place for several days, such as a semipermeable film. B. antibiotics. C. debridement and protection of the wound bed. D. debridement and absorption of exudate.
Always go around cars that are stopped at an intersection on their left (driver's) side
Indicate whether the statement is true or false
Which of the following is true concerning the procedure for inserting a nasopharyngeal airway (NPA)?
A) It can only be placed in the right nostril. B) The length of the device is not as important as it is with oropharyngeal airways. C) The bevel should be turned toward the nasal septum. D) If a water-soluble lubricant is not available, a silicon spray can be substituted.
Which parameter is considered to be the most accurate and reliable measure of oxygenation effi-ciency?
a. PaO2/FiO2 ratio b. P(A–a)O2/PaO2 ratio c. Qs/Qt d. PaO2/SaO2 ratio