which type of muscle is characterized by voluntary control and is responsible for body movement
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ATI TEAS 7

TEAS 7 science practice questions

1. Which type of muscle is characterized by voluntary control and is responsible for body movement?

Correct answer: C

Rationale: The correct answer is skeletal muscle. Skeletal muscle is characterized by voluntary control, meaning it is under conscious control. It is responsible for body movement, such as walking, running, and lifting objects. Cardiac muscle is involuntary and found in the heart, while smooth muscle is also involuntary and found in organs like the intestines. Connective tissue is not a type of muscle but rather a type of tissue that provides support and structure in the body.

2. How are genetic markers utilized in paternity testing?

Correct answer: B

Rationale: Genetic markers are specific DNA sequences that can vary among individuals. In paternity testing, genetic markers are used to compare the DNA of the child with that of the alleged father. By analyzing the presence or absence of specific alleles (different forms of a gene) at these genetic markers, scientists can determine the likelihood of paternity. This method is more accurate and reliable than comparing blood types (choice C) or physical resemblance (choice D) as genetic markers provide a direct comparison of DNA sequences between individuals. Therefore, option B is the correct choice as it accurately describes the use of genetic markers in paternity testing.

3. What determines the final velocity of a block sliding down a frictionless inclined plane?

Correct answer: B

Rationale: The final velocity of a block sliding down a frictionless inclined plane is determined by the angle of the incline. The angle directly impacts the acceleration of the block, affecting the final velocity it attains at the bottom. The length of the incline and the mass of the block do not play a direct role in determining the final velocity. Therefore, the correct answer is the angle of the incline (Choice B). Choices A and C are incorrect because the length of the incline and the mass of the block do not have a direct influence on the final velocity of the block in this scenario.

4. What is the largest lymphatic vessel in the body responsible for draining lymph from most of the body called?

Correct answer: B

Rationale: The correct answer is B: Thoracic duct. The thoracic duct is the largest lymphatic vessel in the body and is responsible for draining lymph from most of the body. The jugular vein, subclavian vein, and aorta are not lymphatic vessels responsible for draining lymph. The jugular vein and subclavian vein are blood vessels, while the aorta is the main artery that carries oxygenated blood from the heart. Understanding the role and anatomy of the lymphatic system is crucial for comprehending the body's immune response and fluid balance.

5. What is the process of cells dividing to produce new cells called?

Correct answer: A

Rationale: Cell division is the correct answer. It is the process by which a parent cell divides into two or more daughter cells, enabling growth, repair, and reproduction in living organisms. This process ensures that genetic material is accurately passed on to the new cells. Cell differentiation refers to the specialization of cells to perform specific functions, while cell growth is the increase in size or mass of a cell. Cell regeneration involves replacing damaged or lost cells with new ones, where cell division plays a role but is not the primary process of generating new cells. Therefore, in the context of cells producing new cells, cell division is the accurate term.

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