ATI TEAS 7
anatomy
1. Which part of the neuron receives incoming signals from other neurons and conducts them toward the cell body?
- A. Axon
- B. Dendrite
- C. Synapse
- D. Myelin sheath
Correct answer: b
Rationale: The correct answer is B: Dendrite. Dendrites are the part of the neuron that receive incoming signals from other neurons and conduct them toward the cell body. They play a crucial role in communication between neurons by receiving neurotransmitters released from neighboring neurons. Axons transmit signals away from the cell body, synapses are the junctions where neurons communicate with each other, and myelin sheath is a fatty insulation that surrounds and protects axons. Therefore, in this scenario, dendrites are specifically responsible for receiving and conducting incoming signals towards the cell body.
2. Based on the information provided, which statement is LEAST likely to be supported by the author?
- A. Energy storage technologies play a critical role in the future of renewable energy utilization.
- B. Smart grids can improve the reliability and efficiency of the electricity grid.
- C. Continued reliance on fossil fuels hinders long-term climate change mitigation goals.
- D. Technological advancements offer solutions to overcome challenges associated with renewable energy.
Correct answer: B
Rationale: While the passage mentions smart grids, its primary focus is on managing the intermittency of renewable energy, making B the least likely statement the author would strongly support.
3. The energy absorbed during a chemical reaction is called:
- A. Kinetic energy
- B. Potential energy
- C. Heat energy
- D. Endothermic energy
Correct answer: D
Rationale: Endothermic means "inward heat," indicating energy is absorbed during the reaction.
4. The muscular tube that connects the mouth to the stomach is called the:
- A. Pharynx
- B. Esophagus
- C. Trachea
- D. Larynx
Correct answer: B
Rationale: The correct answer is B: Esophagus. The esophagus is the muscular tube that connects the mouth to the stomach. It plays a crucial role in transporting food from the mouth to the stomach through peristaltic movements. The pharynx is the part of the throat that connects the mouth and nasal cavity to the esophagus and trachea. The trachea, also known as the windpipe, is responsible for carrying air to and from the lungs. The larynx, commonly known as the voice box, is involved in producing sound and protecting the trachea during swallowing. Therefore, the esophagus is specifically responsible for food transport from the mouth to the stomach.
5. A book slides across a table. What determines the magnitude of the frictional force acting on the book?
- A. Only the mass of the book
- B. Only the normal force from the table
- C. Both the mass of the book and the normal force from the table
- D. Neither the mass of the book nor the normal force from the table
Correct answer: C
Rationale: Both the mass of the book and the normal force from the table. Friction is proportional to both the normal force and the coefficient of friction, which depends on the materials in contact. Since the normal force depends on the weight of the object (mass x gravity), both factors are important.
6. What is the balanced chemical equation for the reaction between sulfuric acid (H2SO4) and potassium hydroxide (KOH)?
- A. H2SO4 + KOH → K2SO4 + H2O
- B. 2H2SO4 + 2KOH → 2K2SO4 + 2H2O
- C. H2SO4 + 2KOH → K2SO4 + 2H2O
- D. H2SO4 + 2KOH → K2SO4 + H2O
Correct answer: c
Rationale: The coefficients are adjusted to balance the number of atoms on both sides of the equation.
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