ATI TEAS 7
Reading
1. 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.
2. Which type of energy is associated with the random motion of particles in a substance?
- A. Potential energy
- B. Mechanical energy
- C. Thermal energy
- D. Chemical energy
Correct answer: c
Rationale: Thermal energy is related to the random motion of particles in a substance and is associated with temperature.
3. Which vitamin requires intrinsic factor from the stomach for proper absorption?
- A. Vitamin A
- B. Vitamin C
- C. Vitamin D
- D. Vitamin B12
Correct answer: D
Rationale: The correct answer is D, Vitamin B12. Vitamin B12 requires intrinsic factor, a glycoprotein produced by the parietal cells in the stomach, for proper absorption in the small intestine. Intrinsic factor binds to B12 and facilitates its absorption in the ileum. Without intrinsic factor, the body cannot effectively absorb Vitamin B12, leading to deficiencies and various health issues. Vitamins A, C, and D do not require intrinsic factor for absorption and have different mechanisms for uptake and utilization within the body.
4. The pancreas secretes digestive enzymes into the small intestine. What enzyme breaks down proteins into amino acids?
- A. Pepsin
- B. Lipase
- C. Amylase
- D. Trypsin
Correct answer: D
Rationale: The correct answer is D: Trypsin. Trypsin is an enzyme produced by the pancreas and secreted into the small intestine where it plays a key role in breaking down proteins into smaller peptides and amino acids. Pepsin is produced in the stomach and specifically acts on protein, not in the small intestine. Lipase is an enzyme that breaks down fats, not proteins. Amylase is an enzyme that breaks down carbohydrates, not proteins. Therefore, Trypsin is the enzyme responsible for breaking down proteins into amino acids in the small intestine.
5. Which functional group is commonly found in ketones?
- A. Hydroxyl
- B. Carbonyl
- C. Ester
- D. Amine
Correct answer: B
Rationale: Ketones have the functional group -CO-, which is a carbonyl group. The other choices are associated with different functional groups
6. Differentiate between epithelial and connective tissue.
- A. Epithelial tissue is exclusively found in the lungs, while connective tissue supports tendons.
- B. Both are composed of cells, but epithelial tissue lines surfaces and glands, while connective tissue binds other tissues.
- C. Epithelial tissue is more vascularized, while connective tissue is responsible for muscle contraction.
- D. Epithelial tissue is the largest tissue type, while connective tissue is the smallest.
Correct answer: B
Rationale: Epithelial tissue covers surfaces and lines organs, while connective tissue provides support and structure throughout the body. Both are composed of cells, but their functions and locations differ.
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