the k capture process a type of electron capture involves the capture of an electron from which electron shell
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ATI TEAS 7

TEAS Test 7 science quizlet

1. In the K-capture process, a type of electron capture, from which electron shell does the electron get captured?

Correct answer: B

Rationale: The K-capture process involves the capture of an electron from the innermost electron shell, known as the K-shell. The K-shell comprises s and p orbitals. During the K-capture process, an electron is specifically captured from an inner p-orbital within the K-shell. Choices A, C, and D are incorrect because K-capture involves capturing an electron from the innermost shell (K-shell) which consists of s and p orbitals, not the outermost s-orbital, inner d-orbital, or any available electron shell.

2. Which vitamin requires the lymphatic system for proper absorption from the intestine?

Correct answer: C

Rationale: The correct answer is Vitamin D. Vitamin D requires the lymphatic system for proper absorption from the intestine. Unlike vitamins A, C, and B12, which are absorbed directly into the bloodstream, vitamin D is absorbed into the lymphatic system first before entering the bloodstream. Therefore, options A, B, and D are incorrect as they do not rely on the lymphatic system for absorption from the intestine.

3. When a blockage forms in a coronary artery, reducing blood flow to the heart muscle, this condition is called:

Correct answer: B

Rationale: A myocardial infarction, commonly known as a heart attack, occurs when a blockage forms in a coronary artery, leading to reduced blood flow to the heart muscle. Atherosclerosis refers to the buildup of plaque in the arteries, which can lead to blockages but is not the name for this specific condition. Angina pectoris is chest pain or discomfort due to inadequate blood supply to the heart muscle, which is a precursor to a heart attack but not the name for this condition. A heart murmur is an abnormal sound heard during a heartbeat, often due to turbulent blood flow, and is not related to a blockage in a coronary artery.

4. What is the purpose of the passage?

Correct answer: B

Rationale: The correct answer is B: 'To inform about Clara Barton's life and achievements.' The passage provides a chronological account of Clara Barton's significant life events, from her birth to her philanthropic work during the Civil War and beyond. It aims to educate the reader about Barton's contributions and accomplishments rather than to express emotions, persuade readers to support a specific organization, or entertain with fictional tales. Therefore, choices A, C, and D are incorrect as they do not align with the informational content of the passage.

5. What properties distinguish laser light from typical light sources?

Correct answer: B

Rationale: Laser light differs from typical light sources due to its monochromatic nature (single color) and coherence (synchronized waves). This means that laser light consists of a single wavelength and synchronized waves, unlike typical light sources that emit a range of wavelengths and are incoherent. The monochromatic nature of laser light allows it to be of a single color, while coherence ensures that the waves are synchronized. These unique properties of laser light make it valuable for a wide range of applications in fields such as medicine, industry, and research. Choices A, C, and D are incorrect because laser light's distinguishing features are not related to enhanced brightness, increased velocity, or limited visibility to the human eye. Instead, it is the monochromatic nature and coherence that set laser light apart from typical light sources.

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