Which of the following is not a possible cause of autoimmune disease?
a. reduction in suppressor T cell activity
b. prolonged treatment with anti-inflammatory drugs
c. exposure of normally inaccessible self-antigens
d. modification of normal self-antigens
e. exposure to a foreign antigen almost identical structurally to a self-antigen
B
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Given the following approximate values, calculate the molecular weight for NaCl. Atomic number for Na: 11, Atomic weight for Na: 23 g/mol, Atomic number for Cl: 17,Atomic weight for Cl: 35 g/mol, Boiling point for Cl: -34 °C
A) 11 g/mol B) 28 g/mol C) 34 g/mol D) 40 g/mol E) 58 g/mol
What structure protects the kidney?
A. A fibrous renal capsule B. A perirenal fat capsule C. Both answers are correct. D. None of these are correct.
The part of the efferent division of the nervous system that transmits impulses from the CNS to smooth muscle, cardiac muscle, and glands is the
A) somatic motor nervous system. B) somatic sensory division. C) visceral sensory division. D) autonomic nervous system.
Most anatomical terms have Greek and Latin roots because:
A. they were the most widely spoken languages across the world when anatomy began. B. they were the easiest languages to understand. C. scientific investigation began in Greece and Rome. D. these languages had the most flexibility.