ATI TEAS 7
physics
1. Which property of a wave remains constant when it crosses a boundary between two different media?
- A. Frequency
- B. Wavelength
- C. Amplitude
- D. Speed
Correct answer: d
Rationale: The speed of a wave remains constant when it crosses a boundary between two different media, although its direction may change.
2. What is the structure that connects the ovary to the uterus in the female reproductive system?
- A. Urethra
- B. Fallopian tube
- C. Vagina
- D. Cervix
Correct answer: B
Rationale: The correct answer is B: Fallopian tube. The fallopian tubes are the structures that connect the ovaries to the uterus in the female reproductive system. These tubes play a crucial role in the fertilization process by providing a pathway for the egg to travel from the ovary to the uterus. The urethra (A) is a structure that carries urine from the bladder out of the body and is not directly involved in the reproductive system. The vagina (C) is the canal that connects the external genitals to the cervix and is not the structure that connects the ovary to the uterus. The cervix (D) is the lower part of the uterus that connects to the vagina and does not connect the ovary to the uterus.
3. What literary device is used in the line "The sea whispered secrets to the shore"?
- A. Alliteration
- B. Personification
- C. Onomatopoeia
- D. Hyperbole
Correct answer: B
Rationale: The sentence gives human qualities to the sea, like whispering, creating personification.
4. Deuterium, a stable isotope of hydrogen, has a nucleus containing:
- A. A single proton
- B. A proton and a neutron
- C. Two protons and an electron
- D. Two neutrons
Correct answer: B
Rationale: The correct answer is B: 'A proton and a neutron.' Deuterium is an isotope of hydrogen with an atomic number of 1, meaning it has 1 proton in its nucleus. However, deuterium also has a neutron in its nucleus, making it different from regular hydrogen which only has a proton in its nucleus. Therefore, deuterium has a nucleus containing both a proton and a neutron, making option B the correct choice.
5. Which type of waves do not require a medium for propagation?
- A. Transverse waves
- B. Longitudinal waves
- C. Electromagnetic waves
- D. Surface waves
Correct answer: c
Rationale: Electromagnetic waves (such as light or radio waves) can travel through a vacuum as they do not require a medium.
6. What is the main function of the epiglottis, a small flap of cartilage located above the larynx?
- A. To warm and humidify inhaled air
- B. To control the passage of food and air
- C. To produce sound vibrations for speech
- D. To sense the presence of foreign objects
Correct answer: B
Rationale: The correct answer is B: 'To control the passage of food and air.' The epiglottis is a crucial structure that prevents food and liquids from entering the airway during swallowing. It acts as a lid over the trachea, ensuring that food goes down the esophagus while air passes into the respiratory system. This function is essential for preventing choking and ensuring proper breathing. Options A, C, and D are incorrect as the epiglottis is not primarily responsible for warming and humidifying inhaled air, producing sound vibrations for speech, or sensing foreign objects.
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