which term refers to the space where lymph flows through the body
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ATI TEAS 7

TEAS Practice Test Science

1. Which term refers to the space where lymph flows through the body?

Correct answer: C

Rationale: The correct answer is C: Interstitial space. This term specifically refers to the area where lymph flows between tissues. Lymph does not flow through arteries (choice A) or veins (choice D) as these vessels carry blood. The term 'lumen' (choice B) refers to the inside space of a tubular structure, like a blood vessel, but it does not specifically denote the space where lymph flows through the body.

2. What is the bottom number in a blood pressure reading?

Correct answer: A

Rationale: The correct answer is A: Diastolic pressure. The bottom number in a blood pressure reading represents the diastolic pressure, which indicates the lowest pressure in the arteries when the heart is resting between beats. This value is important in understanding the overall health of the cardiovascular system. Choice B, Systolic pressure, is the top number in a blood pressure reading and represents the pressure in the arteries when the heart is contracting. Choice C, Pulse rate, refers to the number of times the heart beats in a minute. Choice D, Mean arterial pressure, is a calculated value using both systolic and diastolic pressures to provide an average pressure in the arteries during a cardiac cycle, but it is not the bottom number in a blood pressure reading.

3. What is the primary function of the liver related to digestion?

Correct answer: D

Rationale: The primary function of the liver related to digestion is to filter and detoxify byproducts of digestion, including toxins and metabolic waste products. While the liver does produce bile and convert waste ammonia into urea, these functions are not directly related to digestion. Storing bile is mainly done by the gallbladder, not the liver.

4. Which of the following is NOT a common symptom of lactose intolerance?

Correct answer: D

Rationale: A) Gas: Gas is a common symptom of lactose intolerance. When lactose is not properly digested, it can ferment in the colon, leading to the production of gas. B) Bloating: Bloating is another common symptom of lactose intolerance. The buildup of gas in the digestive system can cause bloating and discomfort. C) Diarrhea: Diarrhea is a common symptom of lactose intolerance. When lactose is not broken down in the small intestine, it can draw excess water into the colon, resulting in diarrhea. D) Nausea: Nausea is not a common symptom of lactose intolerance. While some individuals may experience mild stomach discomfort or cramps, nausea is not typically associated with lactose intolerance.

5. What initiates the process of coagulation?

Correct answer: B

Rationale: The correct answer is B. The process of coagulation, also known as blood clotting, begins instantly after a blood vessel has been damaged. When a blood vessel is injured, the body quickly responds by initiating a cascade of reactions to form a blood clot, which helps to stop bleeding and promote healing. Choices A, C, and D are incorrect because coagulation does not occur just when blood changes from a gel to liquid form, it is not a response of blood drying upon contact with air, and it is not simply the formation of fibrin. The primary trigger for coagulation is vascular injury.

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