ATI TEAS 7
Reading
1. The phrase "green alternative" suggests that bioremediation is...
- A. The most economical option for plastic cleanup.
- B. Faster and more efficient than traditional methods.
- C. Environmentally friendly and less harmful than other solutions.
- D. More aesthetically pleasing than existing approaches.
Correct answer: C
Rationale: The passage contrasts bioremediation with "traditional methods," explicitly linking it to being environmentally friendly.
2. The term "symbiotic relationship" describes an interaction between two organisms where:
- A. One organism benefits and the other is unaffected
- B. Both organisms are harmed by the interaction
- C. One organism benefits and the other is negatively impacted
- D. Both organisms benefit from the interaction
Correct answer: D
Rationale: Rationale: In a symbiotic relationship, both organisms involved benefit from the interaction. This mutually beneficial relationship can take different forms, such as mutualism where both organisms benefit, commensalism where one organism benefits and the other is unaffected, or parasitism where one organism benefits at the expense of the other. In this case, the term "symbiotic relationship" specifically refers to a scenario where both organisms derive some form of benefit from their interaction.
3. During normal breathing, which muscle is the primary driver of inhalation by contracting and flattening to increase the volume of the thoracic cavity?
- A. Diaphragm
- B. Intercostal muscles
- C. Abdominal muscles
- D. Pectoral muscles
Correct answer: A
Rationale: The diaphragm is the primary muscle responsible for inhalation during normal breathing. When the diaphragm contracts and flattens, it increases the volume of the thoracic cavity, creating a negative pressure that allows air to rush into the lungs. The intercostal muscles also play a role in expanding the ribcage to assist with inhalation. However, the diaphragm is the main driver of the breathing process by creating the necessary space for the lungs to expand and fill with air.
4. Scoliosis is a condition characterized by abnormal lateral curvature of the spine. Which part of the spine is most commonly affected?
- A. Cervical spine (neck)
- B. Thoracic spine (upper back)
- C. Lumbar spine (lower back)
- D. All of the above
Correct answer: B
Rationale: The correct answer is B: Thoracic spine (upper back). Scoliosis typically affects the thoracic spine more commonly than the cervical or lumbar spine. The thoracic spine, which is the upper back region, is the most common area for the abnormal lateral curvature of the spine to occur in cases of scoliosis. This is due to the natural curvature and structure of the spine in this region. While scoliosis can affect other parts of the spine as well, the thoracic spine is most frequently impacted, making it the correct answer in this case.
5. The stomach produces a strong acid to help break down food. What is the name of this acid?
- A. Hydrochloric acid
- B. Lactic acid
- C. Bile
- D. Fatty acid
Correct answer: A
Rationale: The correct answer is A: Hydrochloric acid. The stomach produces hydrochloric acid to help break down food by lowering the pH level in the stomach, creating an acidic environment that aids in the digestion of proteins and other nutrients. Lactic acid is produced in muscles during exercise and is not related to stomach digestion. Bile is produced by the liver and helps in the digestion and absorption of fats in the small intestine. Fatty acids are a type of molecule that is a component of fats, not the acid produced by the stomach for digestion.
6. What is the name of the muscle responsible for pumping blood throughout the body?
- A. Bicep
- B. Tricep
- C. Deltoid
- D. Cardiac muscle
Correct answer: D
Rationale: The correct answer is D: Cardiac muscle. The cardiac muscle, also known as the heart muscle, is responsible for pumping blood throughout the body. Unlike voluntary muscles like the bicep, tricep, and deltoid, the cardiac muscle is involuntary and works continuously to pump blood to all parts of the body. It is crucial for maintaining circulation and delivering oxygen and nutrients to tissues. Understanding the role of the cardiac muscle in the circulatory system is essential for grasping the importance of heart health and overall well-being.
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