ATI TEAS 7
Anatomy
1. 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.
2. A water wave approaches a shallow beach. What happens to its speed, wavelength, and frequency?
- A. Speed increases, wavelength decreases, frequency increases.
- B. Speed decreases, wavelength decreases, frequency remains the same.
- C. Speed increases, wavelength increases, frequency decreases.
- D. Speed, wavelength, and frequency remain the same.
Correct answer: B
Rationale: As waves enter shallow water, they slow down due to increased interaction with the bottom. This causes the wavelength to decrease to maintain the constant wave energy (E = hf). Frequency remains constant as it's determined by the source, not the medium.
3. What is the function of the underlined phrase "with a mischievous grin" in the sentence "He approached her with a mischievous grin, his eyes twinkling"?
- A. Subject
- B. Direct object
- C. Adverbial phrase
- D. Appositive phrase
Correct answer: C
Rationale: The underlined phrase modifies the verb "approached" by describing his manner, making it an adverbial phrase.
4. Which state of matter has particles that are highly organized in a fixed pattern and vibrate in place?
- A. Solid
- B. Liquid
- C. Gas
- D. Plasma
Correct answer: a
Rationale: In solids, particles are tightly packed in an ordered arrangement and vibrate around fixed positions, giving solids a definite shape and volume.
5. Which of the following phases of the cell cycle is characterized by the replication of DNA?
- A. Interphase
- B. Mitosis
- C. Meiosis
- D. Cytokinesis
Correct answer: A
Rationale: Rationale: Interphase is the phase of the cell cycle where the cell spends the majority of its time and is characterized by three subphases: G1 (Gap 1), S (Synthesis), and G2 (Gap 2). During the S phase of interphase, DNA replication occurs, leading to the duplication of the genetic material in the cell. This ensures that each daughter cell produced during cell division receives a complete set of genetic information. Mitosis is the phase of the cell cycle where the replicated DNA is divided equally between two daughter cells, while meiosis is a specialized type of cell division that occurs in sexually reproducing organisms to produce gametes. Cytokinesis is the final stage of the cell cycle where the cytoplasm divides, resulting in two separate daughter cells.
6. What is the main function of the gallbladder?
- A. To store and concentrate bile
- B. To produce digestive enzymes
- C. To absorb nutrients
- D. To neutralize stomach acid
Correct answer: A
Rationale: Rationale: The gallbladder is a small organ located beneath the liver that plays a crucial role in the digestive system. Its main function is to store and concentrate bile, a digestive fluid produced by the liver. Bile is released from the gallbladder into the small intestine to help with the digestion and absorption of fats. The gallbladder acts as a reservoir for bile, allowing it to be released in a controlled manner when needed to aid in the digestion of fatty foods. Therefore, option A is the correct answer as it accurately describes the main function of the gallbladder.
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