Which country or countries are in the postindustrial phase of demographic transition?
a. The United States
b. Japan and some countries in Europe
c. Mexico and Brazil
d. All European countries
e. China and India
b
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How many chromosomes do human somatic cells contain?
a. 23 b. 46 c. 92 d. 108
An organism was isolated after growing 26 days. Colonial morphologic appearance revealed heaped, wrinkled, moist, and yeastlike colonies. As the culture aged, colonies became covered with short aerial mycelium that turned from tan to brown. This organism is most likely:
a. Blastomyces dermatitidis. b. Coccidioides immitis. c. Histoplasma capsulatum. d. P. brasiliensis.
What is the interpretation of the following patient results? (normal values) WBC = 25.0 th/uL (5.0-10.0 th/uL), with 78% blasts; CD3 = 83% (60-80%); CD5 = 90% (60-80%); CD10 = 2% (< 1%); CD4 = 85% (30-65%); CD20 = 1% (5-20%); CD34 = 0% (< 1%); CD8 = 87% (10-40%); kappa = 1% (3-15%); lambda = 0% (2-10%); CD19 = 2% (5-20%).
A) normal B) B-cell acute leukemia C) T-cell acute leukemia D) B-cell chronic leukemia E) T-cell chronic leukemia
Which of the following cell groups is responsible for all components of DiGeorge Syndrome?
A. Ectoderm B. Endoderm C. Mesenchyme D. Neural Crest Cells E. Pharyngeal Arch I Cells