Which of the following is NOT true regarding a median toxicity dose?
A) It produces a given toxicity in 50% of patients.
B) It is determined from animal testing data.
C) It cannot be tested in humans.
D) It determines adverse effects occurring during patient clinical trials.
C) It cannot be tested in humans.
A median toxicity dose can be tested in humans, so answer choice "C" is NOT true. The median toxicity dose is the dose that produces a given toxicity in 50% of patients, and can be determined from animal testing data or because of adverse effects occurring during patient clinical trials.
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Cholinergic receptors are located on the surface of:
a. Arterioles that supply skeletal muscle b. The heart's pacemaker (the sinoatrial node) c. Smooth muscle in the bronchi of the lungs d. Smooth muscle in the digestive tract
Adding all the values in a study and then dividing the sum by the number of values will produce the:
a. mean. c. standard deviation. b. median. d. central tendancy.
A hearing-impaired patient with a hearing aid is having a difficult time hearing your questions. Your initial action would be to:
A) write the questions on paper. B) slow your speech and increase the pitch of your voice. C) ensure that his hearing aid is turned on. D) position yourself in front of the patient and speak loudly.
In the United States, the legal system divides law into three categories: civil law, administrative law, and:
a. procedural law b. contract law c. public law d. criminal law