ATI TEAS 7
TEAS Practice Test Science
1. Which structure in the respiratory system is responsible for voice production?
- A. Pharynx
- B. Larynx
- C. Trachea
- D. Bronchi
Correct answer: B
Rationale: The correct answer is the larynx. The larynx, commonly referred to as the voice box, is responsible for voice production in the respiratory system. It contains vocal cords that vibrate to produce sound. The pharynx is a passage for food and air, the trachea is a tubular structure that carries air to and from the lungs, and the bronchi are the main airway passages in the lungs. Therefore, choices A, C, and D are incorrect as they do not play a direct role in voice production.
2. Which type of white blood cell directly attacks and destroys pathogens like bacteria and viruses?
- A. Neutrophils
- B. Lymphocytes
- C. Monocytes
- D. Eosinophils
Correct answer: A
Rationale: Neutrophils are a type of white blood cell that plays a crucial role in the immune system's response to infections. They are phagocytes, meaning they engulf and destroy pathogens like bacteria and viruses. Neutrophils are the most abundant type of white blood cell and are known for their rapid response to infections, making them the primary cell type that directly attacks and destroys pathogens. Lymphocytes, although important in adaptive immunity, are not primarily responsible for directly attacking and destroying pathogens. Monocytes are involved in phagocytosis and immune response regulation but are not the primary cell type for direct pathogen destruction like neutrophils. Eosinophils are mainly involved in combating multicellular parasites and are not the primary cell type for targeting bacteria and viruses.
3. What is the equivalent temperature in Kelvin if the temperature is measured at 25 degrees Celsius?
- A. 298.15 K
- B. 273.15 K
- C. 250 K
- D. 25 K
Correct answer: A
Rationale: The correct answer is A: 298.15 K. The conversion from Celsius to Kelvin is K = C + 273.15. Therefore, 25°C is equivalent to 298.15 K, as 25 + 273.15 = 298.15. Choice B, 273.15 K, is the freezing point of water in Kelvin, not the equivalent of 25°C. Choice C, 250 K, and Choice D, 25 K, are incorrect conversions and do not align with the correct formula for converting Celsius to Kelvin.
4. Surely, he thought, I can’t trust this enticing yet dubious offer, although I could use the opportunity more than I’d like to admit. 'Although' is which part of speech?
- A. Adverb
- B. Preposition
- C. Conjunction
- D. Adjective
Correct answer: C
Rationale: 'Although' is a conjunction because it connects two clauses in the sentence. In the given sentence, 'although' introduces a dependent clause ('although I could use the opportunity more than I’d like to admit') and connects it to the independent clause ('Surely, he thought, I can’t trust this enticing yet dubious offer'). This conjunction shows the contrast between the two ideas. Choices A, B, and D are incorrect because 'although' does not function as an adverb, preposition, or adjective in this context.
5. Which of the following statements is correct based on anatomical terms?
- A. The shoulder joint is proximal to the neck.
- B. The elbow joint is superior to the shoulder.
- C. The thoracic vertebrae are superior to the cervical vertebrae.
- D. The thumb is on the lateral aspect of the hand.
Correct answer: D
Rationale: Option D is the correct answer based on anatomical terms. The thumb is indeed located on the lateral aspect of the hand, following anatomical positioning. The terms 'proximal,' 'superior,' and 'inferior' are used in relation to the center of the body or a specific point of reference, while 'lateral' and 'medial' describe positions further away or closer to the midline of the body. Therefore, the thumb being on the lateral side of the hand is an accurate anatomical description. Choices A, B, and C are incorrect because they do not align with anatomical terminology. In anatomical terms, 'proximal' refers to a position closer to the center of the body, 'superior' indicates a position above or higher than another part, and 'inferior' signifies a position below or lower than another part. The shoulder joint is distal to the neck, the elbow is inferior to the shoulder, and the cervical vertebrae are superior to the thoracic vertebrae.
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