ATI TEAS Version 7 – Science

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CLASS:

ATI TEAS Version 7

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ATI TEAS Version 7 – Science

Question 1 of 50

Solute Phase	Solvent Phase
Solid	Solid
Liquid	Liquid
Liquid	Solid
Solid	Liquid

Which of the following rows on the table indicates the correct phases of the solute and solvent when saltwater is made at room temperature using water and NaCl?

1. Row 3
2. Row 2
3. Row 1
4. Row 4 ✅

Question 2 of 50

A study evaluated the effect of different concentrations of a new drug on patients with high blood pressure. One group of volunteers was given a low concentration of the drug, a second group was given a medium concentration, and a third group was given a high concentration. A control group received a placebo. The results showed the following changes in blood pressure: low concentration (-5 mm Hg), medium concentration (-10 mm Hg), high concentration (-15 mm Hg), and placebo group (-1 mm Hg). Which of the following conclusions is supported by the results of the study?

1. The placebo had the greatest effect on blood pressure reduction.
2. The reduction of blood pressure is proportional to the concentration of the drug. ✅
3. The medium concentration of the drug was as effective as the high concentration.
4. The highest concentration of the drug caused adverse effects.

Question 3 of 50

Which of the following structures in the male reproductive system secretes a fluid that nourishes and protects sperm?

1. Urethra
2. Vas deferens
3. Prostate gland ✅
4. Epididymis

Question 4 of 50

Which of the following organic molecules contain both an amine and carboxyl group?

1. Lipids
2. Chitin
3. Proteins ✅
4. Cellulose

Question 5 of 50

A study investigated the effects of varying levels of sunlight on plant growth. Three groups of 20 plants were grown under controlled conditions: the first group received 4 hr of sunlight per day, the second 8, and the third 12. After 4 weeks, the height of each plant was measured. The group with 8 hr of sunlight showed the most significant growth, followed by the group with 12 hr, and lastly the group with 4 hr of sunlight. The researchers hypothesized that increasing sunlight exposure would always correlate with increased plant height. How do the study’s results support or contradict the researchers’ hypothesis?

1. The results contradict the hypothesis, as the group with 8 hr of sunlight had the greatest growth. ✅
2. The results contradict the hypothesis, as plant height decreased with more sunlight.
3. The results neither support nor contradict the hypothesis, as all plants grew regardless of sunlight exposure.
4. The results support the hypothesis, as plant height generally increased with more sunlight.

Question 48 of 50

Which of the following is a balanced chemical equation?

1. 2 H₂O → 2 H₂ + O₂ ✅
2. H₂O → 2H₂ + O₂
3. H₂O → H₂ + 2 O₂
4. 2H₂O → H₂ + 2O₂

Question 49 of 50

Which of the following cells secrete bone material?

1. Chondrocyte
2. Odontocyte
3. Osteocyte ✅
4. Ameloblast

Question 50 of 50

Blood Alcohol Concentration (percent)

Which of the following conclusions is supported by the data in the table?

1. Body weight and blood alcohol concentration are unrelated.
2. Blood alcohol level is a function of body weight and number of drinks. ✅
3. Alcohol has little effect on people who weigh more than 80 kg.
4. People who weigh less than 54 kg should not drink more than four drinks per hour……………………………..purchase this entire exam at $30 only