Which of the following supplements are derived from plant sources?
A. chondroitin
B. echinacea
C. glucosamine
D. All these answers are correct.
Answer: B
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Which of the following is NOT a function of the lymphatic and immune systems?
A) Transport fats absorbed by the digestive system. B) Form the primary defense against the invasion of pathogens. C) Assist in the blood-clotting process. D) Collect excess tissue fluid and return it to the circulatory system.
Rapid immunological assays for Group A Streptococcus pyogenes antigen have a sensitivity of
about 60% to 80% and a specificity of about 90% to 95% in pharyngitis infections. Given these data, which strategy below is optimal? A) Do preliminary screening with a throat culture and follow up positive results with a rapid antigen test. B) Do preliminary screening with a rapid antigen test and follow up negative results with a throat culture. C) Do preliminary screening with a rapid antigen test and follow up positive results with a throat culture. D) Do preliminary screening with a throat culture and follow up negative results with a rapid antigen test. E) Simultaneously test all specimens with both rapid antigen screening and culture.
Many physicians believe that a patient's attitude, especially a fighting spirit, is the underlying factor in spontaneous remission from incurable illness
What will be an ideal response?
If the physician wants to say apex of both lungs, the plural for of apex would be ________
A) apexes B) apical C) apices D) all of the above