Treatment of chlamydial infections involves _____.
A) Erythromycin cream
B) Doxycycline creams
C) Surgical correction of eyelid deformities
D) All of the above
Ans: D) All of the above
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As a result of an increase in phloem solute concentration near a source area, the fluid in the sieve element becomes ____
a. hypotonic b. hypertonic c. low turgor d. low-sugar e. dilute
Pulmonary edema describes a condition where the uptake of oxygen and unloading of carbon dioxide is reduced as a consequence of a(n)
A) decrease in the partial pressure of carbon dioxide in the alveolus. B) increase in the partial pressure of oxygen in the blood. C) thickening of the diffusion barrier by fluid accumulation in the pulmonary blood. D) thickening of the diffusion barrier by fluid accumulation in the alveoli. E) decrease in the partial pressure of oxygen in the alveolus.
A sheepherder has a large black and necrotic lesion (eschar) under his chin that has grown quickly in size. There is no pus, but the patient complains of painful and swollen glands. A gram-positive bacillus is isolated from the lesion. Which of the following features of the responsible agent is NOT a virulent Factor?
A. capsule B. endotoxin C. Lethal toxins D. Spore formation
Using a six-sided die, what is the probability of rolling either a 5 or a 6?
A) 1/6 × 1/6 = 1/36 B) 1/6 + 1/6 = 1/3 C) 1/6 + 1/6 = 2/3