Which of the following statements is TRUE of oral contraceptives?
A. They are effective only because they prevent ovulation.
B. Full protection is provided by oral contraceptives after three days of use.
C. The most common type of oral contraceptive contains both estrogen and progesterone.
D. A significant risk of pregnancy exists even if oral contraceptives are taken as directed.
C. The most common type of oral contraceptive contains both estrogen and progesterone.
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Parasitic infections include
A. protozoans. B. protozoans and helminthes. C. prions and viruses. D. prions, viruses, and bacteria. E. protozoans, helminthes, prions, viruses, and bacteria.
A form of cervical cancer called _____________ arises from cells of the cervix, which change in appearance before developing into a spreading malignancy.
Fill in the blank(s) with the appropriate word(s).
Identify the combining term pharyng/o with its closest definition
A. Voice B. Pleura C. pharynx D. Air
Answer the following statement(s) true (T) or false (F)
1. Regular exercise lengthens rather than shortens the telomeres of our DNA strands. 2. Thirty to forty percent of all visits to health care providers are the result of stress-related disorders. 3. Suicide is the second leading cause of death in the college population and is linked to untreated depression and triggered by stressful events. 4. Chronic stress is when an individual assesses a situation as threatening, regardless of its actual threat. 5. One person may perceive a stressor as negative while another may perceive the same stressor as positive.