ATI TEAS 7
Anatomy
1. The ureters are paired tubes that transport urine from the:
- A. Bladder to the urethra
- B. Kidneys to the bladder
- C. Urethra to the kidneys
- D. Skin to the kidneys
Correct answer: B
Rationale: The correct answer is B: 'Kidneys to the bladder.' The ureters are paired tubes that carry urine from the kidneys to the bladder. Once urine is produced in the kidneys, it travels through the ureters to be stored in the bladder until it is eliminated from the body through the urethra. Option A, 'Bladder to the urethra,' is incorrect because the ureters transport urine from the kidneys to the bladder, not from the bladder to the urethra. Option C, 'Urethra to the kidneys,' and option D, 'Skin to the kidneys,' are both inaccurate as they do not describe the correct direction of urine flow in the urinary system. Understanding the anatomy and function of the urinary system is essential for comprehending how urine is produced and excreted by the body.
2. The author likely intended to use the phrase "interconnected sensors" to emphasize...
- A. The cost-effectiveness of smart city technology.
- B. The complexity and network-based nature of the system.
- C. The potential for environmental harm of sensor installation.
- D. The aesthetic appeal of modern urban infrastructure.
Correct answer: B
Rationale: "Interconnected" highlights the integration and communication between sensors, indicating a complex network approach.
3. What is the recommended daily intake of protein for adults to maintain healthy muscle mass?
- A. 0.5 grams per kilogram of body weight
- B. 1 gram per kilogram of body weight
- C. 1.5 grams per kilogram of body weight
- D. 2 grams per kilogram of body weight
Correct answer: C
Rationale: The recommended daily intake of protein for adults to maintain healthy muscle mass is 1.5 grams per kilogram of body weight. Protein is essential for muscle repair and growth, and consuming an adequate amount helps support overall muscle health. 1 gram per kilogram of body weight is generally recommended for sedentary individuals, but for those looking to maintain or build muscle mass, a higher intake of 1.5 grams per kilogram of body weight is advised. Consuming too little protein can lead to muscle loss, while consuming too much may strain the kidneys. Therefore, 1.5 grams per kilogram of body weight strikes a balance for most adults looking to support their muscle health.
4. Which structure, located between the pons and the spinal cord, plays a crucial role in coordinating movements, maintaining balance, and posture?
- A. Thalamus
- B. Medulla oblongata
- C. Cerebellum
- D. Hypothalamus
Correct answer: c
Rationale: The correct answer is C: Cerebellum. The cerebellum is the structure located between the pons and the spinal cord that plays a crucial role in coordinating movements, maintaining balance, and posture. It receives information from sensory systems and integrates this input to fine-tune motor activity. The thalamus (A) is a relay station for sensory information, the medulla oblongata (B) is involved in vital functions like heartbeat and breathing, and the hypothalamus (D) regulates various metabolic processes and homeostasis. Therefore, the cerebellum is the most appropriate choice for a structure responsible for movement coordination and balance.
5. Which of the following is NOT a characteristic of living organisms?
- A. Made up of cells
- B. Able to reproduce
- C. Require energy
- D. Non-motile
Correct answer: D
Rationale: Rationale: A) Made up of cells: All living organisms are composed of one or more cells. This is a fundamental characteristic of life as defined by cell theory. B) Able to reproduce: One of the key characteristics of living organisms is their ability to reproduce and pass on genetic information to offspring. C) Require energy: Living organisms require energy to carry out various life processes such as growth, reproduction, and maintenance of homeostasis. This energy is obtained through processes like metabolism. D) Non-motile: While some living organisms may be non-motile (unable to move on their own), movement is a common characteristic of many living organisms. Motility allows organisms to respond to their environment, find food, escape predators, and carry out other essential activities.
6. What happens to the kinetic energy of an object when its velocity is doubled?
- A. Kinetic energy remains the same
- B. Kinetic energy is halved
- C. Kinetic energy doubles
- D. Kinetic energy quadruples
Correct answer: c
Rationale: Kinetic energy is directly proportional to the square of an object's velocity.
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