Practice TEAS Science Test

Questions 61

ATI TEAS 7

ATI TEAS 7 Test Bank

Practice TEAS Science Test Questions

Question 1 of 5

Which body system is responsible for the transport of dissolved oxygen from the lungs to the spleen?

Correct Answer: D

Rationale: The correct answer is D: Cardiovascular. The cardiovascular system is responsible for transporting dissolved oxygen from the lungs to the spleen. Step 1: Oxygen is inhaled into the lungs during respiration. Step 2: Oxygen diffuses into the bloodstream through the alveoli in the lungs. Step 3: The oxygen-rich blood is pumped by the heart to the spleen and other body tissues. The immune system (A) is responsible for fighting off infections, not oxygen transport. The endocrine system (B) regulates hormones, not oxygen transport. The respiratory system (C) is involved in the exchange of gases in the lungs but does not transport oxygen to the spleen.

Question 2 of 5

What is the function of the Vas Deferens?

Correct Answer: D

Rationale: The correct answer is D because the Vas Deferens connects each testis to the urethra, allowing sperm to travel from the testes to the urethra during ejaculation. This tube plays a crucial role in the male reproductive system by transporting sperm for ejaculation. A is incorrect because the production of fluid to increase sperm mobility is carried out by the seminal vesicles and prostate gland. B is incorrect because the site where the egg matures is the fallopian tubes in females. C is incorrect because controlling urine flow is the function of the urethra and muscles in the bladder, not the Vas Deferens.

Question 3 of 5

What is the function of the adrenal glands?

Correct Answer: D

Rationale: The correct answer is D: To regulate blood glucose. The adrenal glands secrete hormones like cortisol and adrenaline, which play a crucial role in regulating blood glucose levels. Cortisol helps increase blood glucose when needed, while adrenaline helps release stored glucose for energy in fight-or-flight situations. Choices A, B, and C are incorrect. A is more related to the thyroid gland, B is produced by the liver, and C is primarily done by the bone marrow.

Question 4 of 5

Which of the following is a function of the kidneys?

Correct Answer: B

Rationale: The correct answer is B: To filter waste from the blood. The kidneys play a crucial role in filtering waste products, excess substances, and toxins from the blood to form urine. This process helps maintain the body's overall balance of fluids and electrolytes. Choices A, C, and D are incorrect as the kidneys do not produce digestive enzymes (A), white blood cells (C), or red blood cells (D). The primary function of the kidneys is to regulate fluid and electrolyte balance, remove waste products, and help control blood pressure.

Question 5 of 5

Which of the following is an end product of cellular respiration?

Correct Answer: B

Rationale: The correct answer is B: ATP energy. Cellular respiration is the process by which cells convert glucose into ATP, the primary energy source for cellular activities. During cellular respiration, glucose is broken down in the presence of oxygen to produce ATP through a series of metabolic reactions. Oxygen (choice A) is required for cellular respiration but is not an end product. Carbon dioxide (choice C) is a byproduct of cellular respiration, not an end product. Water (choice D) is not directly produced as an end product of cellular respiration. Thus, choice B is the correct answer as ATP energy is the main end product generated from cellular respiration.

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