Before specific defenses are activated, most antigens must
A) infect cells.
B) be processed by a phagocyte.
C) either infect cells or be processed by a phagocyte.
D) depolarize the lymphocyte.
E) bind to the DNA of the lymphocyte
Answer: E
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Which of the following is not a parasympathetic effect?
A. Decreased heart rate B. Increased stomach secretion C. Dilation of the bronchioles D. Constriction of the pupils E. Contraction of the bladder
Match the disease with the description.
1. hypercortisolism 2. hyperthyroidism 3. involves endocrine stimulation by antibodies 4. Some symptoms mimic diabetes mellitus. 5. associated with overactive osteoclasts 6. Calcitonin may be an appropriate treatment. 7. may be an autoimmune disease 8. may result from adrenal tumor 9. may result from adrenal tumor A. Addison's disease B. Cushing's disease C. Graves' disease D. Paget's disease
Red muscle fibers contain myoglobin, but white muscle fibers do not
Indicate whether the statement is true or false
Insensible perspiration takes place in the
A) stratum corneum. B) stratum lucidum. C) stratum basale. D) stratum granulosum. E) stratum spinosum.