ATI TEAS 7
Anatomy
1. What is the name of the tough, fibrous connective tissue that attaches muscle to bone?
- A. Fascia
- B. Perimysium
- C. Tendon
- D. Ligament
Correct answer: C
Rationale: The correct answer is C: Tendon. A tendon is the tough, fibrous connective tissue that attaches muscle to bone. Fascia (A) is a connective tissue that surrounds muscles, while perimysium (B) is the connective tissue surrounding bundles of muscle fibers. Ligaments (D) are tough bands of tissue that connect bones to other bones. Understanding the function and structure of tendons is crucial for biomechanics and movement as they play a vital role in transmitting forces from muscles to bones, allowing for movement and stability in the body.
2. Which property of a wave remains constant when it crosses a boundary between two different media?
- A. Frequency
- B. Wavelength
- C. Amplitude
- D. Speed
Correct answer: d
Rationale: The speed of a wave remains constant when it crosses a boundary between two different media, although its direction may change.
3. Which word best synonyms with the word "elated"?
- A. Angry
- B. Sad
- C. Excited
- D. Confused
Correct answer: C
Rationale: "Elated" and "excited" both convey feelings of happiness and enthusiasm.
4. What is the main function of valence electrons in chemical bonding?
- A. They are responsible for holding the nucleus together.
- B. They are involved in forming bonds with other atoms.
- C. They determine the element's physical properties.
- D. They play no role in chemical reactions.
Correct answer: B
Rationale: They are involved in forming bonds with other atoms. Valence electrons occupy the outermost energy level and are readily involved in attracting other atoms through sharing or transferring electrons, forming chemical bonds.
5. Identify the predicate in the following sentence: "The children built a sandcastle on the beach."
- A. on the beach
- B. built a sandcastle
- C. children
- D. the
Correct answer: B
Rationale: The predicate is the verb and any words following it that describe the action or state of being of the subject.
6. Which part of the brainstem controls heart rate and breathing?
- A. Medulla oblongata
- B. Pons
- C. Midbrain
- D. Thalamus
Correct answer: B
Rationale: The correct answer is B: Pons. The pons is a part of the brainstem located above the medulla oblongata and plays a crucial role in controlling vital functions such as heart rate and breathing. It contains neural circuits that regulate the rhythmic patterns of breathing and works in coordination with the medulla oblongata to ensure proper respiratory function. While the medulla oblongata is also involved in regulating these functions, the pons is more specifically responsible for fine-tuning and coordinating the activity of these essential processes.
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