ATI TEAS 7
Anatomy
1. Which type of muscle tissue contracts involuntarily and is found in organs like the heart and intestines?
- A. Skeletal muscle
- B. Cardiac muscle
- C. Smooth muscle
- D. All of the above
Correct answer: C
Rationale: The correct answer is C: Smooth muscle. Smooth muscle tissue contracts involuntarily and is found in organs like the heart and intestines. Skeletal muscle is responsible for voluntary movements, and cardiac muscle is specific to the heart. Therefore, smooth muscle is the only type of muscle tissue that fits the description provided in the question, making it the correct choice. Option D, 'All of the above,' is incorrect as it includes skeletal and cardiac muscles, which do not fit the criteria of being found in organs like the heart and intestines. Understanding the differences between these types of muscle tissue is crucial for comprehending their specific functions in the body.
2. Which of the following blood vessels carries oxygenated blood away from the lungs?
- A. Pulmonary artery
- B. Aorta
- C. Superior vena cava
- D. Inferior vena cava
Correct answer: B
Rationale: The correct answer is B: Aorta. The aorta is the main artery in the body that carries oxygenated blood away from the heart to the rest of the body. The pulmonary artery, option A, carries deoxygenated blood from the heart to the lungs for oxygenation. The superior vena cava, option C, and inferior vena cava, option D, are veins that carry deoxygenated blood from the upper and lower parts of the body, respectively, back to the heart. Therefore, the aorta is the blood vessel that carries oxygenated blood away from the lungs.
3. The muscular tube that carries urine from the kidneys to the bladder is called the:
- A. Nephron
- B. Ureter
- C. Urethra
- D. Glomerulus
Correct answer: B
Rationale: The correct answer is B: Ureter. The ureter is the muscular tube that carries urine from the kidneys to the bladder. Nephrons are the functional units of the kidneys responsible for filtering blood. The urethra is the tube that carries urine from the bladder out of the body. The glomerulus is a cluster of blood vessels in the nephron that filters blood to form urine. Understanding the functions and locations of these structures is essential for comprehending the urinary system's overall process.
4. The final sentence suggests that the debate surrounding UBI necessitates
- A. Focusing on the potential cost savings for governments compared to existing welfare programs.
- B. Prioritizing the opinions of economists and financial experts over those of social scientists and philosophers.
- C. Engaging in thoughtful and informed discussions considering both the economic and ethical implications.
- D. Dismissing the concerns of critics and implementing UBI as a rapid solution to poverty and inequality.
Correct answer: C
Rationale: The emphasis on "complex interplay" and "careful consideration" suggests a call for nuanced and multifaceted discussions, aligning with C.
5. A birthday party hat has a cone-shaped top with a radius of 5cm and a height of 12cm. What is its volume?
- A. 60 cu cm
- B. 120 cu cm
- C. 150 cu cm
- D. 180 cu cm
Correct answer: C
Rationale: Use the formula for volume of a cone: (1/3) * π * (radius)^2 * height. Substitute the values: (1/3) * π * (5cm)^2 * 12cm ≈ 150 cu cm.
6. What is the scientific term for scar tissue?
- A. Epithelial tissue
- B. Fibrous connective tissue
- C. Cartilage
- D. Adipose tissue
Correct answer: B
Rationale: The correct answer is B: Fibrous connective tissue. Scar tissue is formed during the process of wound healing, where fibroblasts produce collagen fibers to repair damaged tissue. This results in the formation of fibrous connective tissue, which is different from epithelial tissue (A), cartilage (C), and adipose tissue (D). While epithelial tissue lines surfaces and organs, cartilage is a type of connective tissue found in joints, and adipose tissue is a type of connective tissue that stores energy in the form of fat. Scar tissue, on the other hand, is primarily composed of collagen fibers and is classified as fibrous connective tissue.
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