You should insert the ET tube between the vocal cords until the:
A) centimeter marking reads 15 cm at the patient's teeth.
B) distal end of the cuff is 1 to 2 cm past the vocal cords.
C) proximal end of the cuff is 1 to 2 cm past the vocal cords.
D) tube meets resistance as it makes contact with the carina.
Answer: C) proximal end of the cuff is 1 to 2 cm past the vocal cords.
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Cerebrospinal fluid flows within the
A) filum terminale. B) subarachnoid space. C) dura mater. D) pia mater. E) arachnoid mater.
Name the type of membrane channel that opens in response to chemical binding and is found in dendrites of some sensory receptors like pain receptors, and in the dendrites and cell bodies of interneurons and motor neurons
a) leakage channel b) ligand-gated channels c) mechanically gated channels d) voltage-gated channels e) pressure-sensitive channel
Which bone bears the greater and lesser cornua?
A. Maxilla B. Stapes C. Hyoid D. Incus E. Mandible
The pectinate line of the anal canal:
A) denotes the separation of the external and internal sphincter ani muscles. B) denotes the separation between the rectal and anal mucosa. C) separates the part of the anal canal that is sensitive to laceration from the part that is not. D) separates the part of the anal canal that is innervated by sympathetic fibers from that innervated by parasympathetic fibers. E) indicates the anorectal junction.