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ATI TEAS 7 · Science · ATI TEAS 7 Science Practice Test

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which of the following body systems controls fluid loss, protects deep tissues, and synthesizes vitamin D?

A. The skeletal system

B. The muscular system

C. The lymphatic system

D. The integumentary system

Correct Answer: The integumentary system

Question 2 of 5

Which of the following blood vessels contains the least oxygenated blood?

A. Aorta

B. Vena cava

C. Pulmonary artery

D. Femoral vein

Correct Answer: Pulmonary artery

Question 3 of 5

What type of molecules are enzymes?

A. Water molecules

B. Protein molecules

C. Tripolar molecules

D. Inorganic molecules

Correct Answer: Protein molecules

Question 4 of 5

What is the cellular function of cilia and flagella?

A. Cilia and flagella are responsible for cell movement.

B. Cilia and flagella synthesize proteins.

C. Cilia and flagella help protect the cell from its environment.

D. Cilia and flagella have enzymes that help with digestion.

Correct Answer: Cilia and flagella are responsible for cell movement.

Question 5 of 5

Which statement most accurately compares and contrasts the structures of DNA and RNA?

A. Both DNA and RNA have 4 nucleotide bases. Three of the bases are the same, but the fourth base is thymine in DNA and uracil in RNA.

B. Both DNA and RNA have the same 4 nucleotide bases. However, the nucleotides bond differently in DNA compared to RNA.

C. Both DNA and RNA have different numbers of nucleotide bases. DNA is a double helix while RNA is a single strand.

D. Both DNA and RNA have a double helix structure. However, DNA contains 6 nucleotide bases and RNA contains 4 nucleotide bases.

Correct Answer: Both DNA and RNA have 4 nucleotide bases. Three of the bases are the same, but the fourth base is thymine in DNA and uracil in RNA.

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