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NR 506 REVIEW SHEET QUESTIONS 2026 VERIFIED ANSWERS

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NR 506 REVIEW SHEET QUESTIONS 2026 VERIFIED ANSWERS

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Uploaded on: January 24, 2026
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nr 506 review sheet questions 2026 verified answer

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NR 506 REVIEW SHEET QUESTIONS 2026
VERIFIED ANSWERS

⫸ What is the cuticle made from?. Answer: Chitin

⫸ Arthrodial membrane. Answer: Resilin membrane between
segments

⫸ integument. Answer: Outer layer of exoskeleton

⫸ Sclerotization. Answer: Hardening or thickening of cuticle

⫸ Ultrastructure. Answer: Defensive, sexual display, or mimicry
structures on cuticle

⫸ Sternum and tergum. Answer: Bottom and top of abdomen

⫸ Pleuron. Answer: Arthrodial membrane the sternites and tergites
sit on

⫸ Filiform antennae. Answer: linear and slender

⫸ Serrate antennae. Answer: saw-like

, ⫸ Flabellate antennae. Answer: fan shaped

⫸ Hemocoel. Answer: Insect body cavity

⫸ Hemolymph. Answer: insect blood

⫸ spiracles and trachea. Answer: External lungs and silvery
filamentous tubes

⫸ Fat body. Answer: Organ that stores proteins, synthesizes
hemolymph proteins, and regulates blood sugar

⫸ gastric caeca. Answer: Midgut protrusions that secrete digestive
enzymes

⫸ malphigian tubules. Answer: Yellow filamentous tubes, insect
kidney

⫸ Dorsal vessel. Answer: Insect heart

⫸ peritrophic membrane. Answer: Midgut barrier that food needs to
pass through

⫸ Pro-ovigenic. Answer: all eggs mature at adult emergence

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