ATI TEAS 7
Anatomy
1. Which of the following epithelial tissues lines the stratified squamous epithelium of the esophagus, providing a protective barrier against abrasion from food passage?
- A. Simple squamous epithelium
- B. Stratified squamous epithelium
- C. Simple cuboidal epithelium
- D. Stratified cuboidal epithelium
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.
2. Which word best completes the sentence: "The scientist's breakthrough was met with _____ applause."
- A. thunderous
- B. scattered
- C. polite
- D. hesitant
Correct answer: A
Rationale: "Thunderous" emphasizes the intensity and volume of the applause, fitting the significance of the breakthrough.
3. The important decision will be made tomorrow. Which word is the comparative form of the adjective "important"?
- A. important
- B. importantly
- C. more important
- D. most important
Correct answer: C
Rationale: The comparative form of an adjective compares two things.
4. A prism separates white light into its constituent spectral components because:
- A. It absorbs certain colors
- B. Different colors experience varying speeds within the prism
- C. It bends all colors with the same magnitude
- D. It reflects specific colors
Correct answer: B
Rationale: The correct answer is B because different colors experience varying speeds when passing through a prism due to their differing wavelengths. This causes them to refract at different angles, resulting in the separation of white light into its constituent spectral components. The phenomenon of dispersion occurs as a result of this wavelength-dependent refraction, allowing us to see the full spectrum of colors. Absorbing certain colors (option A) or reflecting specific colors (option D) would not explain how a prism separates white light. Additionally, if a prism were to bend all colors with the same magnitude (option C), it would not result in the distinct separation of colors that we observe.
5. What is the main function of the gallbladder?
- A. To store and concentrate bile
- B. To produce digestive enzymes
- C. To absorb nutrients
- D. To neutralize stomach acid
Correct answer: A
Rationale: Rationale: The gallbladder is a small organ located beneath the liver that plays a crucial role in the digestive system. Its main function is to store and concentrate bile, a digestive fluid produced by the liver. Bile is released from the gallbladder into the small intestine to help with the digestion and absorption of fats. The gallbladder acts as a reservoir for bile, allowing it to be released in a controlled manner when needed to aid in the digestion of fatty foods. Therefore, option A is the correct answer as it accurately describes the main function of the gallbladder.
6. What is the scientific term for a broken bone?
- A. Osteoporosis
- B. Fracture
- C. Sprain
- D. Dislocation
Correct answer: B
Rationale: The correct answer is B: 'Fracture.' A fracture is the scientific term used to describe a broken bone. Osteoporosis (A) is a condition where bones become weak and brittle, increasing the risk of fractures. A sprain (C) is an injury to a ligament, not a bone. A dislocation (D) occurs when the bones in a joint are forced out of their normal position, but it is not the term for a broken bone.
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