ATI TEAS 7
ATI TEAS Science Questions
1. Which of the following arteries are not branches of the facial artery in the cervical portion?
- A. Ascending palatine artery
- B. Glandular artery
- C. Superior labial artery
- D. Tonsillar artery
Correct answer: C
Rationale: The correct answer is C, the Superior labial artery. It is a branch of the facial artery in the facial portion, not in the cervical portion. The ascending palatine artery, glandular artery, and tonsillar artery are branches of the facial artery in the cervical portion. The ascending palatine artery supplies the palate, the glandular artery provides blood to the salivary glands, and the tonsillar artery is responsible for supplying blood to the tonsils. These arteries play a crucial role in the vascular supply of the head and neck region, aiding in various physiological functions.
2. What property of a substance refers to its ability to be drawn into thin wires?
- A. Conductivity
- B. Ductility
- C. Viscosity
- D. Malleability
Correct answer: B
Rationale: Ductility is the property of a substance that allows it to be drawn into thin wires without breaking. Conductivity refers to the ability of a substance to conduct electricity or heat, not to be drawn into wires. Viscosity is the measure of a fluid's resistance to flow, not related to the ability to be drawn into wires. Malleability is the property of a substance that allows it to be hammered or rolled into thin sheets, not specifically related to being drawn into wires. Therefore, the correct property for the ability to be drawn into thin wires is ductility.
3. What is the sixth number in the sequence 5, 6, 7, 8, 9?
- A. 8
- B. 10
- C. 11
- D. 12
Correct answer: C
Rationale: In the given sequence 5, 6, 7, 8, 9, the sixth number would come after 9, not after the fifth number in the sequence. To find the sixth number, we need to continue the pattern after 9. The next number after 9 would be 10, making it the sixth number in the sequence. Therefore, the correct answer is not listed among the choices provided. Choice A, 8, is the fifth number in the sequence. Choice B, 10, is the number right after the sixth number. Choice D, 12, is not in the sequence at all, making it incorrect. Thus, the correct answer is 11.
4. Which part of the brain controls breathing and heart rate?
- A. Cerebrum
- B. Medulla oblongata
- C. Thalamus
- D. Cerebellum
Correct answer: B
Rationale: The medulla oblongata is the correct answer because it is responsible for controlling involuntary functions such as breathing and heart rate. The cerebrum (Choice A) is primarily associated with higher brain functions like thinking and voluntary movements, not with regulating basic bodily functions like breathing and heart rate. The thalamus (Choice C) serves as a relay station for sensory information but is not directly involved in controlling breathing and heart rate. The cerebellum (Choice D) plays a role in coordination and balance, not in regulating respiratory and cardiac functions.
5. What is the formula to calculate work?
- A. Work = Force × Distance
- B. Work = Mass × Velocity
- C. Work = Power × Time
- D. Work = Energy ÷ Time
Correct answer: A
Rationale: Work is defined as the product of the force applied to an object and the distance over which the force is applied. The formula to calculate work is represented by Work = Force × Distance, where force is the applied force on an object and distance is the displacement over which the force is applied. Therefore, the correct formula to calculate work is Work = Force × Distance. Choice B, 'Work = Mass × Velocity,' is incorrect because work involves force and distance, not mass and velocity. Choice C, 'Work = Power × Time,' is incorrect because work is not directly calculated using power and time. Choice D, 'Work = Energy ÷ Time,' is incorrect because work is not typically calculated by dividing energy by time; rather, it involves the product of force and distance.
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