For each of the descriptions of a component of the innate immune system in questions 6-10, select the term that best matches it from the list below (A-J)

A. Defensin
B. Opsonin
C. Natural antibody
D. Adjuvant
E. Complement
F. Inflammation
G. C-reactive protein
H. Mannose-binding lectin
I. Reactive oxygen intermediate
J. Inducible nitric oxide synthase

Superoxide anion, hydroxyl radical, or hydrogen peroxide, produced by activated phagocytes


ANS: I. Reactive oxygen intermediates (ROIs) are generated by enzymes in phagocytes, such as phagocyte oxidase and myeloperoxidase. They have unpaired electrons in their outer orbitals and induce oxidative damage to cellular membranes and DNA. ROIs can kill microbes, but they also damage host cells.

Health & Biomechanics

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Which of these warm-up exercises is least beneficial when preparing to go jogging?

A. doing jumping jacks B. jogging slowly for 400 meters C. doing arm circles D. stretching leg muscles and holding for at least 30 seconds

Health & Biomechanics

Which statement best describes spiritual health? a. The endpoint of spiritual well-being is Enlightenment

b. Fulfilling a life purpose can produce stress and anxiety. c. Balance in body, mind and spirit is largely unattainable in Western societies. d. The spiritual path involves a series of prescribed activities. e. It unifies the dimensions of intellectual, emotional and physical well-being.

Health & Biomechanics

Which of the following hormones is part of the General Adaptive Syndrome and is called the "stress" hormone?

A. epinephrine B. insulin C. cortisol D. renin

Health & Biomechanics

?_____ are the energy centers in the body through which spiritual and emotional energies flow.

A. ?Chakras B. ?Prana C. Lymphatic pathways D. ?Nerve synapses E. ?Mantras

Health & Biomechanics