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. What part of speech is the underlined word in the sentence "I was disappointed by the outcome"?
- A. Verb
- B. Noun
- C. Adjective
- D. Adverb
Correct answer: C
Rationale: "Disappointed" modifies the pronoun "I," making it an adjective.
3. A patient weighs 180 pounds. What is their weight in kilograms (1kg = 2.2lbs)?
- A. 68kg
- B. 75kg
- C. 82kg
- D. 90kg
Correct answer: C
Rationale: Divide the weight in pounds (180) by the conversion factor (2.2lbs/kg).
4. In the cardiovascular system, what is the primary function of red blood cells?
- A. To transport oxygen throughout the body.
- B. To fight infection and disease.
- C. To help regulate blood clotting.
- D. To remove waste products from the body.
Correct answer: A
Rationale: The correct answer is A: 'To transport oxygen throughout the body.' Red blood cells contain hemoglobin, a protein that binds to oxygen in the lungs and carries it to tissues throughout the body. This process is essential for cellular respiration, where oxygen is used to produce energy. Red blood cells do not fight infection (B), regulate blood clotting (C), or remove waste products (D); those functions are carried out by other components of the immune and circulatory systems.
5. Inhalation
- A. Expiration
- B. Respiration
- C. Aspiration
- D. Aspiration
Correct answer: B
Rationale: The correct answer is B: 'Respiration.' Inhalation refers to the process of breathing in air, while respiration is the overall process of gas exchange in the body, including both inhalation and exhalation. Expiration refers specifically to the process of breathing out air. Aspiration, on the other hand, refers to the act of inhaling foreign objects into the lungs, which can be harmful. Therefore, 'Respiration' is the most appropriate term related to 'Inhalation' as it encompasses the entire process of breathing and gas exchange in the body.
6. The muscular diaphragm plays a vital role in respiration. When it contracts, it:
- A. Increases lung volume for inhalation
- B. Decreases lung volume for exhalation
- C. Filters dust and particles from inhaled air
- D. Produces mucus to lubricate the airways
Correct answer: A
Rationale: The diaphragm is a crucial muscle involved in respiration. When the diaphragm contracts, it flattens and moves downwards, increasing the volume in the thoracic cavity. This expansion creates a negative pressure in the lungs, causing air to rush in during inhalation. Therefore, option A, 'Increases lung volume for inhalation,' is the correct answer. The diaphragm's contraction facilitates the breathing process by creating space for the lungs to expand and take in air, making it essential for proper respiration.
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