What separates the blood from the CSF in the medulla?
a. a semipermeable membrane called the blood-brain barrier
b. a membrane that is permeable to H+ and bicarbonate ions
c. nothing-they are in direct contact
d. a thick gelatinous membrane that is impermeable to CO2 molecules
a. a semipermeable membrane called the blood-brain barrier
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Which of the following is a function of the hormone relaxin?
A) To thin the cervix B) To increase the flexibility of the pubic symphysis C) To promote the release of pitocin by the hypothalamus D) All of the above
In a hazmat incident, patient contamination can still occur in the:
a. cold zone. b. warm zone. c. temperate zone. d. safe zone.
In the 1840s, the introduction of the first three surgical anesthetics occurred. These agents were nitrous oxide, chloroform, and:
A. ester B. ether C. chlorophyll D. ammonium dioxide
An orthopedic surgeon refers his patients to a radiology facility owned by his brother. What law is potentially being violated?
A. Federal False Claims Act B. HIPAA C. Stark Law D. Federal Anti-Kickback law E. HITECH