Factors that increase risk for STIs for those in their teens and twenties include
A. increasing rates of premarital sex.
B. alcohol abuse.
C. decreasing use of the condom because of birth control pills.
D. lack of commitment to one's sexual partner.
E. All of the answers are correct.
E. All of the answers are correct.
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Tim Smith, aged 16 years, was hit by a car while riding his motorcycle. At the hospital he showed only minor abrasions and no bone fractures. He was discharged later that day. In the morning he experienced severe abdominal pain and returned to the hospita
Examination revealed tachycardia, low blood pressure, and a weak pulse. He received a blood transfusion without improvement. Laparoscopic surgery confirmed peritoneal hemorrhage due to a ruptured spleen. In addition to a splenectomy, which of the following treatments would be administered? a. plasmapheresis to remove autoantibodies (antibodies generated against self constituents) b. regular intravenous injections of gamma globulin c. vaccination and regular boosters with capsular polysaccharides from pathogenic pneumococcal strains d. booster immunization with DTP (diphtheria toxoid, killed Bordetella pertussis, and tetanus toxoid) e. regular blood transfusions
T and B cells change after contact with the pathogen in a(n) ______ immune response.
A. acquired B. imagined C. natural D. innate
Macular degeneration, which leads to a loss of central vision, is a progressive deterioration of an area of the retina known as macula lutea
Indicate whether the statement is true or false
Compared to first-generation students, students whose parents and grandparents attended college may have several ____.?
A) ?stressors B) ?financial incentives C) ?friends D) ?advantages E) ?disadvantages