True. A patient complaining of burning sensation and frequency of urination, otherwise known as dysuria, is a symptom associated with a urinary tract infection. Other associated symptoms such as fever and hematuria (blood in the urine) should be elicited as this will affect the assessment and plan of management for the patient. A urinalysis with a clean-catch specimen should be requested to confirm the diagnosis.
Vestigial structure. The coccyx serves no functional purpose in humans.
Answer:
Before life began on the planet, Earth's atmosphere was largely made up of nitrogen and carbon dioxide gases. After photosynthesizing organisms multiplied on Earth's surface and in the oceans, much of the carbon dioxide was replaced with oxygen.
Explanation:
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The correct answer is: "cristae" .
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Spines primarily have a protective function in plants. The spines can be sharp, and form a physical barrier against herbivores which may want to feed on the plant. Spines however also have other benefits. The spines on a jumping cactus allow segments of the cactus to stick to passing large animals or humans, thereby allowing the cactus to spread to other areas through asexual propagation. Spines are modified leaves, and spines have a much lower surface area than leaves, and therefore can reduce transpirative loss of water by the plant during harsh droughts. Some trees in alpine regions, such as pine trees, have developed spine-like leaves to prevent the accumulation of snow in the branches.