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ATI TEAS 7

Physics

1. What is the difference between constructive and destructive interference of waves?

Correct answer: B

Rationale: Constructive interference occurs when peaks of two waves overlap, resulting in a higher combined amplitude. Destructive interference happens when peaks and troughs overlap, cancelling each other out and reducing the overall amplitude.

2. What is the process by which the body reabsorbs water from the large intestine?

Correct answer: B

Rationale: Rationale: - Dehydration (Option A) refers to the condition of having insufficient water in the body, not the process of water reabsorption in the large intestine. - Osmosis (Option B) is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration. In the large intestine, water is reabsorbed through osmosis to maintain the body's fluid balance. - Filtration (Option C) is a process where a liquid or gas passes through a filter to separate the components. It is not the primary mechanism for water reabsorption in the large intestine. - Secretion (Option D) is the release of substances from cells, but it is not the process by which the body reabsorbs water from the large intestine. Therefore, the correct process by which the body reabsorbs water from the large intestine is

3. The ball-and-socket joint, which allows for wide range of motion, is found in the connection between:

Correct answer: A

Rationale: The correct answer is A: 'Upper arm and shoulder blade (scapula).' The ball-and-socket joint is found in the connection between the humerus (upper arm bone) and the scapula (shoulder blade). This joint allows for a wide range of motion, including flexion, extension, abduction, adduction, and rotation. The collarbone (clavicle) and breastbone (sternum) are connected by a cartilaginous joint, not a ball-and-socket joint. Two vertebrae in the spine are connected by facet joints, and the ribs and sternum are connected by cartilaginous joints and the costovertebral joints. Therefore, the ball-and-socket joint is uniquely found in the connection between the upper arm and the shoulder blade, allowing for the shoulder's impressive range of motion.

4. Which of the following is NOT a part of a plant cell?

Correct answer: D

Rationale: Rationale: A) Cell wall: This is a structure found in plant cells that provides support and protection. B) Plasma membrane: Also known as the cell membrane, it surrounds the cell and regulates the passage of substances in and out of the cell. C) Vacuole: This is a storage organelle found in plant cells that stores water, nutrients, and waste products. D) Mitochondria: Mitochondria are membrane-bound organelles found in both plant and animal cells. They are responsible for producing energy in the form of ATP through cellular respiration. Therefore, the correct answer is D) Mitochondria, as it is a part of a plant cell.

5. What is the scientific term for the study of genes and their role in disease?

Correct answer: D

Rationale: Rationale: A) Molecular biology primarily focuses on the study of biological processes at a molecular level, including the structure and function of molecules essential to life such as DNA, RNA, and proteins. While molecular biology may involve the study of genes, it is not specifically focused on their role in disease. B) Biochemistry is the branch of science that explores the chemical processes and substances that occur within living organisms. While biochemistry may involve the study of genetic material, it does not specifically focus on the role of genes in disease. C) Evolutionary biology is the study of the processes that have shaped the diversity of life on Earth over time, including how species evolve and adapt to their environments. While genetics plays a role in evolutionary biology, it is not the primary focus of this field. D) Genomic medicine is the scientific term for the study of genes and their role in disease. This field involves understanding how variations in an indi

6. Which of the following is the main function of the heart?

Correct answer: C

Rationale: Rationale: The main function of the heart is to pump blood throughout the body. The heart is a muscular organ that works as a pump to circulate blood, which carries oxygen and nutrients to the body's tissues and removes waste products. Option A is incorrect because the kidneys are responsible for filtering blood. Option B is incorrect because the exchange of gases, such as oxygen and carbon dioxide, occurs in the lungs. Option D is incorrect because hormone production is primarily carried out by endocrine glands such as the pituitary gland and the thyroid gland.

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