Write the number 4.3 x 10^-5 in decimal notation.
A) 0.043
B) 0.000004
C) 0.000043
D) 0.00043
E) 0.0043
C) 0.000043
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Answer the following statements true (T) or false (F)
1. HIV can live on toilet seats and eating utensils. 2. For a male to infect a female with HIV during vaginal intercourse, ejaculation must occur. 3. Most cases of HIV infection continue to occur in impoverished and nonwhite racial populations. 4. HIV infection attacks the immune system, making an individual susceptible to infections. 5. New drugs, such as reverse transcriptase inhibitors, protease inhibitors and entry inhibitors, are able to cure AIDS.
Which of the following is probably the most serious disadvantage of oral contraceptives for most women?
A. They provide no protection against STDs. B. They cause symptoms of early pregnancy. C. They cause vaginal bleeding (spotting) between periods. D. They are likely to cause acne.
Which of the following terms indicates flat, pinpoint, purplish spots under the skin?
a. impetigo b. necrosis c. onychia d. petechiae
Dried leaves and flowers of the hemp plant; causes euphoria:
a. maryjuana b. marijana c. marijuana