ATI TEAS 7
TEAS version 7 quizlet science
1. When light interacts with a perfectly smooth surface, like a mirror, the dominant interaction is:
- A. Refraction
- B. Diffraction
- C. Total internal reflection
- D. Specular reflection
Correct answer: D
Rationale: When light interacts with a perfectly smooth surface like a mirror, the dominant interaction is specular reflection. Specular reflection occurs when light rays are reflected off a smooth surface at the same angle as the incident angle, resulting in a clear and sharp reflection. Refraction, which involves the bending of light as it passes from one medium to another, is not the dominant interaction with a perfectly smooth surface. Diffraction, the bending of light waves around obstacles, is not the dominant interaction with smooth surfaces. Total internal reflection occurs when light is reflected back into a medium due to encountering a boundary at an angle greater than the critical angle, but it is not the dominant interaction on a perfectly smooth surface like a mirror.
2. Which of the following statements regarding the microscopic anatomy of heart muscle is correct?
- A. Cardiac muscle is striated, short, fat, branched, and interconnected
- B. Intercalated discs anchor cardiac cells together and allow the free passage of ions
- C. The connective tissue endomysium acts as both tendon and insertion
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, 'All of the above.' Cardiac muscle is indeed striated, short, fat, branched, and interconnected. Intercalated discs are responsible for anchoring cardiac cells together and allowing the free passage of ions. Additionally, the connective tissue endomysium provides structural support and acts as a tendon-like structure attaching muscle fibers to each other. Therefore, all the statements in choices A, B, and C are accurate when describing the microscopic anatomy of heart muscle. Choices A, B, and C individually represent different aspects of the structural features of cardiac muscle, making choice D the most comprehensive and correct answer.
3. Which hormone is responsible for the characteristic changes experienced during puberty, such as breast development and menstruation in females?
- A. Follicle-stimulating hormone (FSH)
- B. Luteinizing hormone (LH)
- C. Estrogen
- D. Progesterone
Correct answer: C
Rationale: Estrogen is the hormone responsible for the characteristic changes experienced during puberty in females, such as breast development and menstruation. Estrogen plays a crucial role in the development of secondary sexual characteristics and the regulation of the menstrual cycle. Follicle-stimulating hormone (FSH) and luteinizing hormone (LH) are primarily involved in the regulation of the menstrual cycle and ovulation. Progesterone, on the other hand, is important for preparing the uterus for pregnancy and maintaining pregnancy, but it is not the primary hormone responsible for the changes seen during puberty in females.
4. What is the term for the process of converting a liquid into a gas at a temperature below its boiling point?
- A. Vaporization
- B. Evaporation
- C. Condensation
- D. Sublimation
Correct answer: B
Rationale: Evaporation is the correct term for the process of converting a liquid into a gas at a temperature below its boiling point. During evaporation, molecules of the liquid gain enough energy to escape into the gas phase, primarily occurring at the liquid's surface. Vaporization is a broader term that encompasses the conversion of a substance from a liquid or solid state to a gas, not specifically at temperatures below the boiling point. Condensation is the reverse process of evaporation, involving the conversion of a gas into a liquid. Sublimation, on the other hand, refers to the direct transition of a substance from the solid phase to the gas phase without passing through the liquid phase.
5. The phrase 'labyrinths of lamplighted city' contains an example of what?
- A. Hyperbole
- B. Simile
- C. Metaphor
- D. Alliteration
Correct answer: D
Rationale: The correct answer is D, 'Alliteration.' The phrase 'labyrinths of lamplighted city' uses alliteration by repeating the 'l' sound, creating a rhythmic and vivid image of a city illuminated by lamps. Alliteration is the repetition of initial consonant sounds in neighboring words, and in this case, it enhances the description of the city in the reader's mind. Choices A, B, and C are incorrect because there is no exaggeration (hyperbole), comparison using 'like' or 'as' (simile), or direct comparison without using 'like' or 'as' (metaphor) present in the phrase.
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