Question 4 Cartilaginous fishes have blood nearly isotonic to seawater. ? osmotic ? isotonic ? hypertonic ? hypotonic 2 pts
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Step 1: The question asks about the tonicity of the blood of cartilaginous fishes compared to seawater. Show more…
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34. What happens to blood cells when they are placed in a hypertonic solution? Hypotonic? Isotonic? 35. Using what you know about blood cells and osmosis, determine whether or not you would be able to read printed words through each of the following test tubes. Test Tube # | Contents | Readable Print (yes/no) | Explanation 1 | 5mL 10% NaCl | | 2 | 5mL 0.9% NaCl | | 3 | 5mL distilled water | | 4 | 5mL sucrose solution | | 36. If a person's blood volume drops due to injury or severe dehydration, why do doctors administer isotonic saline intravenously instead of pure water? 37. What osmotic regulatory challenges would a fish living in freshwater have versus a fish living in saltwater?
Madhur L.
Which of the following is a correct statement? When a fish is in fresh water the fish is in a hypertonic solution When a fish is in salt water, the fish is in a hypotonic solution. When a fish is in fresh water, the fish is hyperosmotic. When a fish is in salt water, the fish is hyperosmotic. Blue Tang surgeonfish (like Dory) live in the ocean. Which of the following is a process that impacts their osmolarity in this environment? They lose water by osmosis out of their gills. They pump salt into their gills. They excrete lots of water, making large volumes of urine. They minimize salt excretion, making dilute urine.
Sri K.
Seawater is _____ to blood because it contains a(n) ___ concentration of solutes. a. isotonic, higher b. hypotonic, higher c. isotonic, equal d. hypertonic, higher
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