ATI TEAS 7
English Grammar
1. Identify the participial phrase in the following sentence: "Running through the park, she spotted a squirrel."
- A. Running
- B. through the park
- C. she spotted
- D. a squirrel
Correct answer: B
Rationale: A participial phrase acts as an adjective but is formed from a verb.
2. Which test is commonly used to assess kidney function?
- A. Complete blood count (CBC)
- B. Blood sugar test
- C. Urinalysis
- D. Creatinine clearance test
Correct answer: D
Rationale: The correct answer is D: Creatinine clearance test. This test is commonly used to assess kidney function by measuring how well the kidneys are filtering waste products like creatinine from the blood. Creatinine is a waste product produced by muscles and is normally filtered out by the kidneys. A high level of creatinine in the blood can indicate reduced kidney function. Options A, B, and C are not specifically used to assess kidney function. A complete blood count (CBC) measures different components of the blood like red blood cells, white blood cells, and platelets. A blood sugar test is used to measure glucose levels in the blood. Urinalysis is a test that analyzes the urine for various substances like proteins, glucose, and blood cells, but it is not the primary test for assessing kidney function.
3. 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: The correct answer is D: Specular reflection. When light interacts with a perfectly smooth surface like a mirror, it undergoes specular reflection, where the light rays are reflected at the same angle as the incident angle. Refraction (option A) occurs when light passes from one medium to another at an angle, causing it to change direction. Diffraction (option B) is the bending of light waves around obstacles or through small openings. Total internal reflection (option C) occurs when light traveling in a medium strikes the boundary with another medium at an angle greater than the critical angle, causing the light to reflect back into the original medium. In the case of a perfectly smooth surface, specular reflection is the dominant interaction as the light rays reflect in a single direction with minimal scattering or diffraction.
4. Which force causes an object to move in a circular path?
- A. Tension force
- B. Frictional force
- C. Centripetal force
- D. Gravitational force
Correct answer: c
Rationale: Centripetal force is the force that acts towards the center of a circular path, keeping an object in circular motion.
5. Which of the following is an example of a nosocomial infection?
- A. The common cold contracted from a family member
- B. A urinary tract infection (UTI) acquired during a catheterization
- C. A fungal skin infection from contaminated soil
- D. Food poisoning from undercooked chicken
Correct answer: B
Rationale: Rationale: A nosocomial infection, also known as a healthcare-associated infection (HAI), is an infection that is acquired in a healthcare setting. In this case, a UTI acquired during a catheterization procedure is a classic example of a nosocomial infection. Catheterization involves the insertion of a tube into the urinary tract, which can introduce bacteria into the urinary system and lead to an infection. Nosocomial infections are a significant concern in healthcare settings due to the potential for increased morbidity, mortality, and healthcare costs. Let's review the other options: A) The common cold contracted from a family member - This is not a nosocomial infection as it is acquired outside of a healthcare setting. C) A fungal skin infection from contaminated soil - This is not a nosocomial infection as it is acquired from environmental exposure, not in a healthcare setting.
6. The main function of the nephrons is to:
- A. Store urine
- B. Filter blood and remove waste products
- C. Produce hormones
- D. Control blood pressure
Correct answer: B
Rationale: The correct answer is B: 'Filter blood and remove waste products.' Nephrons are the functional units of the kidneys responsible for filtering blood to remove waste products, excess ions, and water, while reabsorbing essential substances like glucose and amino acids. This process forms urine, which is stored in the bladder before being excreted. Options A, C, and D are incorrect because nephrons do not store urine, produce hormones, or directly control blood pressure; although the kidneys do play a role in long-term blood pressure regulation through mechanisms like the renin-angiotensin-aldosterone system.
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