Answer the following statements true (T) or false (F)
1) Gross anatomy uses magnification in order to better visualize structures.
2) Developmental anatomy refers to the study of body changes over time.
3) The approach used to study of all structure in an area is called regional anatomy.
4) The study of structures that are able to be seen without magnification is called cytology.
5) Radiographic anatomy uses radioisotopes, ultrasounds, and X-ray
1) FALSE
2) TRUE
3) TRUE
4) FALSE
5) TRUE
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Molecules that can act reversibly as acids or bases depending upon the pH of their environment are called ________
A) amphoteric B) metabolic C) compensatory D) volatile
RNA is usually ________ -stranded.
Fill in the blank(s) with the appropriate word(s).
Using Figure 20.2, match the following:
1) Area where B cells become immunocompetent. 2) Area where T cells become immunocompetent. 3) Area where activated immunocompetent B and T cells recirculate. 4) Area seeded by immunocompetent B and T cells. 5) Area where antigen challenge and clonal selection are most likely to occur.
Which of the following is NOT an effect of dropping blood glucose levels, 1-2 hours after a meal?
A. Decreasing blood nutrient levels cause increased cortisol secretion. B. Decreasing blood nutrient levels cause increased growth hormone secretion. C. Increased sympathetic stimulation causes insulin secretion to decrease. D. Increasing parasympathetic stimulation causes increased glucagon secretion.