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Nursing Elites

ATI TEAS 7

Anatomy

1. In plant cells, what structure provides rigidity and support?

Correct answer: D

Rationale: The correct answer is D: Cell wall. The cell wall is a rigid structure found in plant cells that provides support and protection. It is composed of cellulose and other materials, forming a tough outer layer that helps maintain the cell's shape and prevents it from bursting under pressure. The cell membrane (option A) is a semi-permeable barrier that surrounds the cell but does not provide rigidity. The Golgi apparatus (option B) is involved in sorting and packaging proteins. Plastids (option C) are organelles responsible for functions like photosynthesis and storage, but they do not provide rigidity and support like the cell wall does.

2. What is the term for a group of organisms with the same genetic makeup?

Correct answer: B

Rationale: Rationale: - A population (option A) refers to a group of individuals of the same species living in the same area. - Genotype (option C) refers to the genetic makeup of an individual organism. - Species (option D) refers to a group of organisms that can interbreed and produce fertile offspring. In this context, a clone (option B) is a group of organisms that are genetically identical because they are derived from a single ancestor. This term specifically refers to organisms with the same genetic makeup, making it the most appropriate choice for the question.

3. What happens to the acceleration of an object when the force acting on it is increased, assuming the mass remains constant?

Correct answer: a

Rationale: According to Newton's second law (F = ma), if mass is constant and force increases, acceleration also increases.

4. Which of the following epithelial tissues lines the stratified squamous epithelium of the esophagus, providing a protective barrier against abrasion from food passage?

Correct answer: B

Rationale: The correct answer is B: Stratified squamous epithelium. The esophagus is a part of the digestive system that undergoes constant abrasion from the passage of food. The presence of stratified squamous epithelium is crucial in providing protection against this abrasion. Simple squamous epithelium (option A) is a single layer of flat cells and is not suitable for this function. Simple cuboidal epithelium (option C) is found in glands and ducts, not in structures exposed to mechanical stress like the esophagus. Stratified cuboidal epithelium (option D) is rare in the body and would not be found in the esophagus. Therefore, the correct answer is B because stratified squamous epithelium is specifically adapted to provide protection against abrasion in the esophagus.

5. A satellite orbits the Earth at constant speed. Which force is responsible for its circular motion?

Correct answer: A

Rationale: This force acts towards the Earth's center, providing the centripetal force required for the satellite to move in a circle.

6. Which of the following is NOT true about fossils?

Correct answer: D

Rationale: Rationale: A) This statement is true. Fossils can provide evidence for the order of appearance of different species through the study of the fossil record. B) This statement is true. Fossils can be used to estimate the age of rocks and layers through relative dating methods such as stratigraphy and absolute dating methods like radiometric dating. C) This statement is true. Fossils can provide information about the behavior of extinct organisms through the study of their preserved remains and traces. D) This statement is NOT true. Fossils are not always perfectly preserved. In many cases, fossils are incomplete, fragmented, or altered over time due to geological processes. The level of preservation can vary depending on factors such as the type of organism, the environment in which it lived, and the processes involved in fossilization.

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