Biological and genetic influences are considered more important than environmental and behavioral influences on sleep patterns
Indicate whether the statement is true or false.
Answer: FALSE
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Many vaccines now in development will include highly purified, recombinant, or synthetic peptide antigens
These vaccine antigens are expected to stimulate highly specific immune responses, but they are less immunogenic than vaccines containing intact killed or live microbes. Adjuvants are substances added to such vaccines to enhance their ability to elicit T cell immune responses. Which of the following statements about adjuvants is NOT correct? A. Adjuvants induce local inflammation, thereby increasing the number of antigen-presenting cells (APCs) at the site of immunization. B. Adjuvants stimulate the expression of costimulators on local APCs. C. Adjuvants enhance local production of cytokines that promote T cell activation. D. Adjuvants prolong the expression of peptide-MHC complexes on the surface of APCs. E. Adjuvants bind to T cell antigen receptors and promote their proliferation.
Which of the following statements regarding inherited immunodeficiency diseases is correct?
a. Affected individuals are less susceptible to infection. b. Mortality rates are reduced by the administration of antibiotics to affected individuals. c. Most deficiency syndromes are caused by dominant gene defects. d. Women are more likely than men to inherit X-linked immunodeficiencies. e. Extracellular bacterial infections are common in deficiency syndromes with T-cell defects.
Under provisions of the Affordable Care Act, college students may be covered by their parents' health insurance plan if they are younger than age ____
a. 22 b. 24 c. 26 d. 28 e. 30
John lives in a one-bedroom apartment and has a limited budget. He would like to purchase strength-training equipment? Which would you recommend: free weights or a Universal Gym machine? Explain why