A McCoy cell line treated with cycloheximide is used for the detection of Chlamydia spp. because the presence of the antibiotic
A) provides more distinct cytopathic effect in the cells.
B) prevents Mycoplasma spp. Contamination.
C) inhibits cell division for better replication of the organism.
D) prevents microbial and fungal contamination.
C
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Which of the following is NOT one of the sensors for equilibrium?
A) Uvula B) Semicircular canals C) Saccule D) Utricle
Mechanical ventilation is indicated for which of the following ABG results?
a. pH 7.56; PaCO2 27; HCO3 23; PaO2 63 b. pH 7.23; PaCO2 63; HCO3 26; PaO2 52 c. pH 7.36; PaCO2 79; HCO3 43; PaO2 61 d. pH 7.52; PaCO2 51; HCO3 40; PaO2 46
Which drug is four times as potent as lidocaine?
a. Marcaine b. Bupivacaine c. Sensorcaine d. All of the above
Which is a measure taken during a craniotomy to decrease blood loss?
a. Hyperthermia b. Lithotomy position c. Neuroradiology d. Controlled hypotension