Localization of lesions within a band of skin on one side of the body is a characteristic of the disease (measles/shingles/sporotrichosis)
What will be an ideal response?
shingles
Bloom's Taxonomy: Knowledge
Section: Viral Diseases of the Skin and Wounds
Learning Outcome: 19.31
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Refer to the paragraph on crucian carp
The crucian carp (Carassius carassius) is a Northern European freshwater fish often inhabiting ponds that become hypoxic (have reduced oxygen levels) and even anoxic (have no oxygen) when the surface freezes during the winter. Surprisingly, when oxygen levels are normal, these fish lack the lamellae that provide a large surface area for gas exchange between water and blood: their gills are smooth. Yet when the level of oxygen in the water falls, the gill morphology undergoes a change: packing cells stop dividing and programmed cell death is induced, exposing gill lamellae that were buried in other tissue. With lamellae exposed, the gills have increased surface area for gas exchange. These changes in gill lamellar profile are reversible: investigators observed that the gills return to their normal structure within seven days after returning the fish to well-oxygenated water. Gills serve multiple functions in fish in addition to gas exchange. Given the large surface area of gills with lamellae, what is the most likely explanation for why crucian carp cover protruding lamellae in their gills when levels of oxygen are normal? A) to prevent loss of heat to the surrounding water B) to prevent loss of ions to the surrounding water C) to prevent protein loss to the surrounding water D) to prevent loss of oxygen to the surrounding water
Which of the following is not a characteristic of bacteria?
A. Organelles termed mitochondria are the site of ATP production. B. The cell wall is made of peptidoglycan or other distinct polysaccharides. C. Ribosomes are present as the site of protein synthesis. D. DNA is free in the cytoplasm.
Hormonal messages can be generally described as:
A) digital B) all-or-none C) analog D) high-threshold responses
The phylum ________ is thought to represent the oldest branch of the bacteria.
A. Aquificae B. Thermotogae C. Cyanobacteria D. Spirochetes