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ATI TEAS 7 · Science · ATI TEAS Science Practice Test

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What are the phases of bacterial growth and infection?

A. Lag, exponential, stationary, death

B. Exponential, stationary, lag, death

C. Stationary, exponential, lag, death

D. Lag, stationary, exponential, death

Expert Explanatory Rationale

Correct Answer: Lag, exponential, stationary, death

Question 2 of 5

A student hypothesizes that higher sugar consumption negatively impacts test scores. To investigate this, the student recruits participants to consume varying amounts of sugar, wait for one hour, and then complete an aptitude test. The student will record both the amount of sugar consumed and the test scores to analyze the relationship. What is the best experimental approach?

A. Conduct one round of testing where each participant consumes a different amount of sugar.

B. Conduct two rounds of testing: In the first round, participants consume varying amounts of sugar; in the second round, they consume the same amount of sugar as they did in the first round.

C. Conduct two rounds of testing: In the first round, participants consume varying amounts of sugar; in the second round, participants consume no sugar.

D. Conduct one round of testing where all participants consume the same amount of sugar.

Expert Explanatory Rationale

Correct Answer: Conduct two rounds of testing: In the first round, participants consume varying amounts of sugar; in the second round, participants consume no sugar.

Question 3 of 5

What do large intestines absorb?

A. Water, sodium, and potassium ions

B. Proteins and carbohydrates

C. Water, vitamin K, and bile salts

D. Vitamins A, D, E, K

Expert Explanatory Rationale

Correct Answer: Water, vitamin K, and bile salts

Question 4 of 5

What is the structure of DNA?

A. Single-stranded, linear

B. Double-stranded, linear

C. Double-stranded, helix

D. Single-stranded, helix

Expert Explanatory Rationale

Correct Answer: Double-stranded, helix

Question 5 of 5

What are the three types of muscle tissues?

A. Cardiac, smooth, epithelial

B. Skeletal, cardiac, smooth

C. Cardiac, smooth, connective

D. Skeletal, epithelial, connective

Expert Explanatory Rationale

Correct Answer: Skeletal, cardiac, smooth

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