A single large source of a pollutant is known as a(n) ____ source, while many small sources of pollution are known as ____ sources
a. point; nonpoint
b. nonpoint; point
c. illegal; legal
d. municipal; community
e. concentrated; disparate
a
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With one exception, species of the genus Haemophilus require which of the following media ingredients for in vitro growth?
a. Vitamin K and hemin b. Hemin and nicotine adenine dinucleotide (NAD) c. Vitamin K and NAD d. Hemin and cysteine
Starch is a
a. complex carbohydrate. b. fiber. c. simple carbohydrate. d. gluten
A throat swab is taken from a patient with a respiratory infection. After 24 hours, 1- to 3-mm colonies develop, which are round, mucoid, nonpigmented, and dimpled in the middle. What is the most likely pathogen, and how could you confirm the diagnosis on the culture?
What will be an ideal response?
Which of the following viruses can establish a chronic infection of the liver which may progress to liver cancer?
A. hepatitis A B. HTLV-1 C. hepatitis C D. hepatitis D E. hepatitis E