TEAS Practice Test Science

Questions 62

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Practice Test Science Questions

Question 1 of 5

What is the role of the pancreas in digestion?

Correct Answer: B

Rationale: The correct answer is B: To secrete digestive enzymes. The pancreas secretes enzymes such as amylase, lipase, and protease that aid in breaking down carbohydrates, fats, and proteins in the small intestine. This process is crucial for proper digestion and absorption of nutrients. Choice A is incorrect because the pancreas does not secrete bile, which is produced by the liver. Choice C is incorrect because the absorption of nutrients primarily occurs in the small intestine, not the pancreas. Choice D is incorrect as waste transportation is mainly handled by the intestines and kidneys, not the pancreas.

Question 2 of 5

What is the role of the large intestine in the digestive system?

Correct Answer: B

Rationale: The large intestine's main role is to absorb water and form feces. First, undigested material passes from the small intestine to the large intestine. Second, water is absorbed, making the stool more solid. Finally, the formed feces are stored until they are eliminated from the body. This process is crucial for maintaining proper hydration and eliminating waste. Choices A, C, and D are incorrect as they describe functions performed by other parts of the digestive system, such as the stomach and small intestine.

Question 3 of 5

What is the role of the pancreas in digestion?

Correct Answer: B

Rationale: The correct answer is B: To secrete digestive enzymes. The pancreas secretes enzymes such as amylase, lipase, and protease that aid in breaking down carbohydrates, fats, and proteins in the small intestine. This process is crucial for proper digestion and absorption of nutrients. Choice A is incorrect because the pancreas does not secrete bile, which is produced by the liver. Choice C is incorrect because the absorption of nutrients primarily occurs in the small intestine, not the pancreas. Choice D is incorrect as waste transportation is mainly handled by the intestines and kidneys, not the pancreas.

Question 4 of 5

Which part of the heart receives oxygenated blood from the lungs?

Correct Answer: A

Rationale: The correct answer is A: Left atrium. The left atrium receives oxygenated blood from the lungs via the pulmonary veins. This oxygenated blood is then pumped into the left ventricle and circulated to the rest of the body. The right atrium receives deoxygenated blood from the body via the vena cava. Choices B, C, and D are incorrect because the right atrium receives deoxygenated blood from the body, the left ventricle pumps oxygenated blood to the body, and the right ventricle pumps deoxygenated blood to the lungs for oxygenation, respectively.

Question 5 of 5

Which of the following bones is part of the axial skeleton?

Correct Answer: C

Rationale: The correct answer is C: Skull. The axial skeleton consists of bones along the central axis of the body, including the skull. The skull protects the brain and is a key part of the axial skeleton. The other choices - A (Femur), B (Humerus), and D (Pelvis) are all part of the appendicular skeleton, which includes the bones of the limbs and girdles. The femur is the thigh bone, the humerus is the upper arm bone, and the pelvis is part of the hip bone, all of which are not considered part of the axial skeleton.

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