ATI TEAS 7
TEAS Test 7 science quizlet
1. Cartilage is a flexible connective tissue found in the:
- A. Center of long bones
- B. Joints between bones
- C. Muscle tissue
- D. Walls of blood vessels
Correct answer: B
Rationale: Cartilage is a flexible connective tissue found in the joints between bones. It provides cushioning and support for the bones, allowing smooth movement and reducing friction between them. Cartilage acts as a shock absorber and helps maintain the structural integrity of the joints. Choices A, C, and D are incorrect because cartilage is not typically found in the center of long bones, muscle tissue, or the walls of blood vessels. Cartilage primarily functions in providing structural support and flexibility in joints.
2. What is the medical term for a urinary tract infection (UTI)?
- A. Nephritis
- B. Cystitis
- C. Urethritis
- D. All of the above
Correct answer: B
Rationale: The medical term specifically used to refer to a urinary tract infection (UTI) that affects the bladder is cystitis. Nephritis refers to inflammation of the kidneys, and urethritis refers to inflammation of the urethra. As such, cystitis is the correct term for a UTI, making choice B the right answer. Choices A, C, and D are incorrect because they refer to different conditions affecting the urinary system.
3. Which of the following can weaken the immune system and increase susceptibility to infections?
- A. Regular exercise
- B. Balanced diet
- C. Chronic stress
- D. Adequate sleep
Correct answer: C
Rationale: Chronic stress can weaken the immune system by increasing the production of stress hormones like cortisol, which can suppress the immune response. This suppression can make individuals more susceptible to infections and illnesses. Conversely, regular exercise, a balanced diet, and adequate sleep actually support a healthy immune system and help strengthen it. Choices A, B, and D are incorrect as they are factors that generally contribute positively to the immune system. Regular exercise, a balanced diet, and adequate sleep are crucial for maintaining overall health and boosting the immune system rather than weakening it.
4. Abduction is defined as which of the following?
- A. Movement away from the midline of the body
- B. Movement that results in a decrease in the angle of a joint
- C. Movement that results in an increase in the angle of a joint
- D. Movement towards the midline of the body
Correct answer: A
Rationale: Abduction is defined as movement away from the midline of the body. This movement occurs in the coronal plane and is essential in various body functions such as raising the arms sideways. Choices B, C, and D describe movements that are different from abduction. Choice B refers to flexion, which decreases the angle of a joint. Choice C describes extension, which increases the angle of a joint. Choice D defines adduction, which involves movement towards the midline of the body. Therefore, the correct answer is choice A.
5. The Human Genome Project is a worldwide research project launched in 1990 to map the entire human genome. Although the Project was faced with the monumental challenge of analyzing tons of data, its objective was completed in 2003, two years ahead of its deadline. Which of the following inventions likely had the greatest impact on this project?
- A. The sonogram
- B. X-ray diffraction
- C. The microprocessor
- D. Magnetic Resonance Imaging (MRI)
Correct answer: C
Rationale: The microprocessor, a key component of modern computers, played a crucial role in the success of the Human Genome Project. The ability of microprocessors to process vast amounts of data quickly and efficiently allowed scientists to analyze the massive amounts of genetic information generated by the project. This technological advancement significantly accelerated the pace of genome sequencing and data analysis, ultimately leading to the completion of the project ahead of schedule. Choices A, B, and D are incorrect. The sonogram is used for imaging in medical diagnostics, X-ray diffraction is a technique for studying the structure of materials at the atomic level, and Magnetic Resonance Imaging (MRI) is a medical imaging technique that uses magnetic fields and radio waves to produce detailed images of the body. While these inventions have their own importance in various fields, they did not have the same impact on the Human Genome Project as the microprocessor did.
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