in the process of cellular respiration glucose is broken down to produce energy what is the main waste product released
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ATI TEAS 7

TEAS 7 science practice

1. In the process of cellular respiration, glucose is broken down to produce energy. What is the main waste product released?

Correct answer: B

Rationale: During cellular respiration, glucose undergoes a series of reactions in the presence of oxygen to produce energy in the form of ATP. The main waste product released in this process is carbon dioxide, which is eliminated from the body through exhalation. While water is also produced as a byproduct of cellular respiration, carbon dioxide is considered the primary waste product. Oxygen is not a waste product but is actually consumed during cellular respiration to aid in breaking down glucose. Protein is essential for various cellular functions but is not a waste product of cellular respiration; instead, proteins are broken down into amino acids for cellular processes.

2. How do sweat glands help regulate body temperature?

Correct answer: C

Rationale: Sweat glands play a vital role in regulating body temperature by releasing a watery fluid that evaporates from the skin's surface. This evaporation process helps cool the body down by dissipating heat, which is essential for maintaining a stable internal temperature. Choice A is incorrect because sweat glands do not produce sebum but rather a watery fluid. Choice B is incorrect because sweating itself does not involve the constriction of blood vessels; instead, it promotes heat loss through evaporation. Choice D is incorrect as sweat glands do not thicken the epidermis for insulation but rather facilitate the cooling process through sweat evaporation.

3. Which condition can lead to blood clots and stroke?

Correct answer: D

Rationale: Hypertension is the correct answer. Hypertension can cause damage to blood vessels, increasing the risk of blood clots forming, which can potentially lead to a stroke. Aneurysm is a localized, abnormal dilation of a blood vessel that can lead to complications but does not directly cause blood clots and strokes. Arrhythmia refers to irregular heart rhythms and is not directly linked to the formation of blood clots. Asthma is a chronic respiratory condition and does not typically lead to blood clots and strokes.

4. Lymph nodes, found along lymphatic vessels, are important for:

Correct answer: C

Rationale: Lymph nodes are essential for filtering lymph and trapping harmful substances. They are a vital part of the immune system as they remove pathogens and harmful substances from the lymph before it returns to the bloodstream. Lymph nodes do not store blood or produce antibodies, making choice C the correct answer. Choice A is incorrect because lymph nodes do not store blood; they primarily filter lymph. Choice B is incorrect as lymph nodes do not produce antibodies; that function is mainly carried out by specialized cells within the immune system. Choice D is incorrect as lymph nodes do not perform all the functions listed, making it an incorrect answer.

5. Diabetic nephropathy, a complication of diabetes, affects the:

Correct answer: D

Rationale: Diabetic nephropathy, a complication of diabetes, affects the nephrons. Nephrons are the functional units of the kidneys responsible for filtering blood and producing urine. The high blood sugar levels associated with diabetes can damage the nephrons over time, leading to kidney dysfunction and, ultimately, kidney failure. Choices A, B, and C are incorrect because diabetic nephropathy primarily impacts the nephrons in the kidneys, not the ureters, bladder, or urethra.

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