Practice Science TEAS Test

Questions 64

ATI TEAS 7

ATI TEAS 7 Test Bank

Practice Science TEAS Test Questions

Question 1 of 5

Which organelle in the cell is responsible for protein synthesis?

Correct Answer: A

Rationale: The correct answer is A: Ribosome. Ribosomes are responsible for protein synthesis as they are the site where amino acids are assembled into proteins. They can be found in both the cytoplasm and attached to the endoplasmic reticulum. The other choices are incorrect because the nucleus houses the cell's genetic material, the mitochondrion is responsible for energy production, and the Golgi apparatus is involved in protein processing and packaging, not protein synthesis.

Question 2 of 5

Which of the following statements is correct based on anatomical terms?

Correct Answer: D

Rationale: The correct answer is D because anatomical terms use specific directions to describe relationships between body parts. In this case, "lateral" refers to the side of the body, so the thumb being on the lateral aspect of the hand is accurate. The other choices are incorrect because they do not follow anatomical terminology standards. Choice A incorrectly compares the shoulder joint to the neck using proximity, not specific directional terms. Choice B uses "superior" incorrectly to describe the elbow joint in relation to the shoulder. Choice C inaccurately compares the thoracic and cervical vertebrae using the term "superior," which is not anatomically correct in this context.

Question 3 of 5

What do lacteals absorb in the small intestine?

Correct Answer: B

Rationale: The correct answer is B: Lipids. Lacteals are lymphatic vessels located in the small intestine that absorb dietary fats (lipids) and fat-soluble vitamins. They play a crucial role in the absorption and transport of lipids into the bloodstream. Carbohydrates are primarily absorbed in the form of glucose through the villi, not the lacteals. Proteins are broken down into amino acids and absorbed through the villi as well. Nonpolar nutrients, while including lipids, are a broad category that may not specifically refer to lipids being absorbed by lacteals.

Question 4 of 5

What does cytokinesis refer to?

Correct Answer: B

Rationale: Cytokinesis refers to the division of the cytoplasm during cell division, specifically following the separation of chromosomes. This process results in two daughter cells being formed. The correct answer is B because it accurately describes the final step in cell division where the cytoplasm is divided to complete the formation of two separate daughter cells. Choices A, C, and D are incorrect as they do not specifically pertain to the process of cytokinesis. Choice A refers to the division of the nucleus, which is known as mitosis. Choice C refers to the separation of chromosomes, which is part of the earlier stages of cell division. Choice D refers to the formation of spindle fibers, which are involved in chromosome movement during mitosis but not directly related to cytokinesis.

Question 5 of 5

Which structure in the ear is responsible for maintaining balance?

Correct Answer: B

Rationale: The correct answer is B: Semicircular canals. These structures are filled with fluid and lined with tiny hair cells that detect movement and changes in head position, helping maintain balance. The other choices are incorrect because: A: Cochlea is responsible for hearing, not balance. C: Eardrum helps transmit sound vibrations, but not related to balance. D: Auditory nerve carries signals from the ear to the brain for hearing, not balance.

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