If the first lines of defense are penetrated by a disease-causing agent, the second line of defense will engage. Which are examples of the second line of defense? Choose all that apply.
A. Chemical barriers such as stomach acid
B. Physical barriers such as skin and mucous membranes
C. Inflammatory reaction
D. Natural killer (NK) cells
Answer:
C. Inflammatory reaction
D. Natural killer (NK) cells
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Deficiency of iodine in the diet results in ________ caused by ________.
A. atrophy of the thyroid gland; loss of negative feedback by thyroid hormones and increased thyroid-stimulating hormone (TSH) levels B. a goiter; loss of negative feedback by thyroid hormones and increased thyroid-stimulating hormone (TSH) levels C. atrophy of the thyroid gland; decreased sensitivity of receptors for thyroid-stimulating hormone (TSH) D. atrophy of the anterior pituitary gland; loss of negative feedback by thyroid hormones E. a goiter; increased production of thyroid-stimulating hormone (TSH) and increased thyroid hormone levels
_____ is a term used to describe pain that is felt at a site remote from the place of origin
a) Referred pain b) Visceral pain c) Slow pain d) Fast pain e) Sympathetic pain
All of the following terms mean clot except which one?
A. thromb/o B. agglutin/o C. coagul/o D. All of the answers mean clot.
Chloride ions
A. are cations. B. are found only inside cells. C. are part of the DNA molecule. D. are regulated with Na+. E. are not found in extracellular fluid.