Working as a pathologist, you are told that a corpse is from a person who lived and died in an area where food is generally severely deficient in iodine. You would make sure to look near the neck of this person for evidence of

a. hepatitis.
b. goiter.
c. acromegaly.
d. diabetes.
e. osteoporosis.


Answer: b. goiter.

Biology & Microbiology

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Which statement most closely expresses our present understanding?

A) The chloroplast is an ancestor of the cyanobacteria. B) The cyanobacteria are descendents of the chloroplast. C) The chloroplast arose from the incorporation of a cyanobacterial-like organism. D) The chloroplast and the cyanobacteria are not closely (or specifically) related.

Biology & Microbiology

Acid-fast smears should be examined carefully by scanning at least ________ oil immersion fields

a. 100 b. 200 c. 300 d. 400

Biology & Microbiology

If two different species of fish fossils were found in two different layers of sedimentary rock, what might one infer about the specimens?

A. The species in lower layer died first B. They died at the same time C. The species in the higher layer evolved from the species in the lower layer D. The species in the higher layer died first E. The two species are unrelated Clarify Question 1. What is the key concept addressed by the question? 2. What type of thinking is required? 3. What key words does the question contain and what do they mean? Gather Content 1. •What do you know about relatedness based on location in a rock layer?How does it relate to the question? Consider Possibilities 1. What other information is related to the question? Which information is most useful? Choose Answer 1. Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process 1. Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Which hormone is NOT produced by the anterior pituitary gland?  

A.  prolactin B.  luteinizing hormone C.  calcitonin D.  growth hormone

Biology & Microbiology