The Following Questions Refer to the Paragraph Below

question 65

Multiple Choice

The following questions refer to the paragraph below.
An elementary school science teacher decided to liven up the classroom with a salt-water aquarium. Knowing that salt-water aquaria can be quite a hassle, the teacher proceeded stepwise. First, the teacher conditioned the water. Next, the teacher decided to stock the tank with various marine invertebrates, including a polychaete, a siliceous sponge, several bivalves, a shrimp, several sea anemones of different types, a colonial hydra, a few coral species, an ectoproct, a sea star, and several gastropod varieties. Lastly, some vertebrates-a parrotfish and a clownfish-were added. She arranged for daily feedings of copepods and feeder fish.
-The bivalves started to die one by one; only the undamaged shells remained. To keep the remaining bilvalves alive, the teacher would have had to remove the

• A)sea anemones.
• B)sea star.
• C)gastropods.
• D)ectoprocts.
• E)parrotfish.

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Definitions:

24-Hour Urine

A diagnostic test involving the collection of all urine excreted by an individual in a 24-hour period, used for various medical assessments.

Reagent Strip

A diagnostic tool used to determine changes in urine composition that can indicate various medical conditions.

Ice Container

A receptacle used to hold ice, ensuring it stays frozen and clean for use in various applications, such as medical treatment or food preservation.

Catheter Removal

The process of safely taking out a catheter (a tube inserted into the body for removing fluids) from the body, often done following medical guidelines to prevent infection.