Select the best response to the question.
?How does tuberculosis progress from latent to active?
A) The patient's sputum turns bloody.
B) It becomes active when an infected person coughs or sneezes.
C) The infection droplets (bacilli) escape encapsulation and begin producing symptoms.
D) The purified protein derivative (PPD) test turns positive.
C
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Which of the following statements is false?
A. Excretion of urea requires less water than excretion of uric acid. B. Urea is produced in the liver and eliminated in the kidneys. C. Uric acid can be stored at a higher concentration in tissues than urea. D. Ammonia is lethal to cells at high concentrations. E. Excretion of ammonia requires high volumes of water in the surrounding environment.
Gametophytes that are completely enclosed within the walls of a spore are known as:
A. endosperm B. endosporic gametophytes C. micropyles D. rosettes E. phragmoplasts
What is the distinctive characteristic of conidial fungi?
a. They are unicellular. b. They have no known sexual phase. c. They have a haploid phase in their life cycle. d. They have a dikaryotic phase in their life cycle.
Which of the following can inhibit wound healing?
a. Youth and good nutrition b. Steroid therapy c. Immobilization of the area d. Adequate circulation