ATI TEAS 7
Nursing Leadership and Management
1. When she presents the nursing procedures to be followed, she refers to what type of
- A. Process
- B. Outcome
- C. Structure
- D. Criteria
Correct answer: D
Rationale: In this scenario, the person is referring to the specific standards or benchmarks that must be met when presenting nursing procedures, which aligns with the definition of 'criteria'. Criteria are the established principles or requirements that serve as a reference point for evaluation or judgment. It is essential for healthcare professionals to adhere to specific criteria when performing procedures to ensure quality care. The other options, such as 'process', 'outcome', and 'structure', do not directly relate to the standards or benchmarks being referenced in this context.
2. What is the phenomenon responsible for the mirage effect seen in deserts?
- A. Diffraction
- B. Refraction
- C. Interference
- D. Polarization
Correct answer: B
Rationale: Mirages occur due to the refraction of light by layers of air with different temperatures and densities, bending the light rays and creating the illusion of water on the horizon.
3. What is the main function of the urinary system?
- A. Transporting oxygen
- B. Fighting off infections
- C. Maintaining acid-base balance
- D. All of the above
Correct answer: D
Rationale: The correct answer is D: 'All of the above.' The main function of the urinary system is not just limited to one specific task but encompasses multiple important functions. It is responsible for maintaining acid-base balance by regulating the pH of the blood through the excretion of acids and bases. Additionally, the urinary system plays a crucial role in filtering waste products from the blood and expelling them from the body, which helps in fighting off infections. Moreover, the urinary system is not involved in transporting oxygen, as this function is primarily carried out by the respiratory system. Therefore, 'All of the above' is the correct choice as it includes the comprehensive functions of the urinary system.
4. The critical angle is defined as the minimum angle of incidence in a denser medium for which light undergoes:
- A. Total internal reflection
- B. Continued refraction
- C. Specular reflection
- D. Increased dispersion
Correct answer: A
Rationale: The critical angle is the minimum angle of incidence at which light is totally internally reflected rather than refracted. When light travels from a denser medium to a rarer medium at an angle greater than the critical angle, it undergoes total internal reflection. This phenomenon is crucial in applications like fiber optics and mirages. Continued refraction (option B) occurs when light enters a medium at an angle less than the critical angle. Specular reflection (option C) refers to the reflection of light at a smooth surface. Increased dispersion (option D) involves the separation of light into its constituent colors due to varying refractive indices, which is not directly related to the critical angle. Therefore, the correct answer is A - total internal reflection.
5. What is the name of the muscular ring that controls the passage of food from the esophagus to the stomach?
- A. Pyloric sphincter
- B. Cardiac sphincter
- C. Ileocecal valve
- D. Sphincter of Oddi
Correct answer: B
Rationale: The correct answer is B: Cardiac sphincter. The cardiac sphincter, also known as the lower esophageal sphincter, is the muscular ring located at the junction between the esophagus and the stomach. It controls the passage of food from the esophagus into the stomach by opening and closing to prevent reflux of stomach contents back into the esophagus. The other options are incorrect: A) The pyloric sphincter is located at the junction between the stomach and the small intestine, controlling the passage of food from the stomach into the small intestine. C) The ileocecal valve is located between the small intestine and the large intestine. D) The Sphincter of Oddi is located in the duodenum and regulates the flow of bile and pancreatic juice into the small intestine. Therefore, the correct answer is B because it specifically relates to the passage of food from the esophagus to the stomach.
6. Which word completes the sentence "He was ____ by the unexpected turn of events."
- A. elated (joyful)
- B. bewildered (confused)
- C. vindicated (justified)
- D. apathetic (uninterested)
Correct answer: B
Rationale: "Bewildered" best describes the confusion caused by the unexpected events.
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