Which of the following was an outcome of the Dallas bed-rest study?
a. Previously active subjects restored their VO2 max quicker than sedentary subjects. c. The annual decline in VO2 max was greater for those between the ages of 50 and 60 years, compared to those aged 20–30 years.
b. Previously sedentary subjects lost more VO2 max than active subjects. d. All of the choices.
C
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A cytokine storm, or hypercytokinemia, is a condition where cytokines are released that trigger the release of other cytokines to develop a positive feedback loop
It is thought that the 1917–1918 Influenza pandemic induced a cytokine storm in its victims. Which of the following mechanisms would be BEST to stop the positive feedback loop created by a cytokine storm? A. The use of soluble antagonists to bind soluble cytokines B. The use of soluble antagonists to bind membrane-bound cytokine receptors C. Infecting the patient with other viruses that are known to target and kill immune cells D. Treating the patient with drugs that kill all immune cells E. Nothing can be done for the patient.
Explain how B cells undergo the process of negative selection and indicate at which stage of development and at which location these events occur
What will be an ideal response?
"AIDS" is the term designating the initial stage of HIV infection.
Answer the following statement true (T) or false (F)
Inappropriate methods of keeping weight low associated with bulimia nervosa include all of the following EXCEPT
A. vomiting. B. laxatives. C. excessive exercise. D. extremely low food intake.