Practice Science TEAS Test

Questions 64

ATI TEAS 7

ATI TEAS 7 Test Bank

Practice Science TEAS Test Questions

Question 1 of 5

What type of joint connects the bones of the skull?

Correct Answer: B

Rationale: The correct answer is B: Fibrous joint. Fibrous joints are immovable joints that connect bones with dense fibrous connective tissue. In the skull, the bones are joined by fibrous sutures, which provide stability and protect the brain. Hinge joints (A) allow movement in one direction, not present in the skull. Ball-and-socket joints (C) allow for a wide range of motion, not fitting the immovable nature of skull joints. Pivot joints (D) allow rotation, which is not a characteristic of skull joints. Therefore, the fibrous joint is the correct type of joint that connects the bones of the skull.

Question 2 of 5

Which cavity is primarily lined by the peritoneum?

Correct Answer: A

Rationale: The correct answer is A: Abdominal. The peritoneum primarily lines the abdominal cavity, providing a protective and lubricating membrane for the abdominal organs. The peritoneum does not line the dorsal (B), ventral (C), or thoracic (D) cavities. The dorsal cavity is lined by the meninges, the ventral cavity is lined by serous membranes, and the thoracic cavity is lined by the pleura. Therefore, the peritoneum specifically lines the abdominal cavity, making choice A the correct answer.

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

Which of the following is responsible for maintaining the body's circadian rhythm?

Correct Answer: B

Rationale: The correct answer is B: Pineal gland. The pineal gland secretes the hormone melatonin, which plays a crucial role in regulating the body's circadian rhythm. Melatonin helps control the sleep-wake cycle, making it responsible for maintaining the body's internal clock. The other choices are incorrect because the thyroid gland regulates metabolism (A), the pancreas regulates blood sugar levels (C), and the hypothalamus controls various bodily functions but is not directly responsible for maintaining the circadian rhythm (D).

Question 5 of 5

Which of the following water-soluble vitamins is NOT synthesized in the large intestine?

Correct Answer: A

Rationale: The correct answer is A: B6. Vitamin B6, also known as pyridoxine, is not synthesized in the large intestine. It is primarily absorbed in the small intestine. Biotin, Pantothenic acid, and Vitamin K are all synthesized in the large intestine. Biotin and Pantothenic acid are produced by gut bacteria, while Vitamin K is synthesized by the intestinal flora. Therefore, the correct answer is A because B6 is not synthesized in the large intestine, unlike the other options.

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