<span>11.
In managed care, all services must be :
C. provided by the same physician. </span>
Answer:
D. decreasing p or increasing B.
Explanation:
From the formula presented for the sake of answering this question as shown below:
n = Np (1-p)/
(N-1)B squared/4 + (p) (1-p)
Hence, the number of subjects can be reduced while having the least impact of the study reliability if we decrease the proportion of subjects needed (p) or increase the acceptable amount of error (B). This way, the study still remains reliable.
The answer is B. Trichomoniasis
It's caused by a protozoan called trichomonas vaginalis, the most common pathogenic protozoan in industrialized countries.
there are about 160 million pople infected by this worlwide and it transmited sexually. For women the common symptomps ar vaginitis and urehtritis for men.