ATI TEAS 7
TEAS Test 7 science quizlet
1. What pigment is responsible for the yellow color of bananas?
- A. Potassium
- B. Calcium
- C. Phosphorus
- D. Carotene
Correct answer: D
Rationale: Carotene is the pigment responsible for the yellow color of bananas. It belongs to a group of plant pigments called carotenoids, which are responsible for giving fruits and vegetables their vibrant colors, including the yellow hue of bananas. Potassium, calcium, and phosphorus are essential minerals found in bananas but are not responsible for their yellow color.
2. Which of the following is an example of the location and function of cartilage in the body?
- A. The dense connective tissue that makes up the majority of the structural skeleton
- B. The supportive pads that provide cushioning at joints, such as between the vertebrae of the spinal cord
- C. The connective structure made of fibrous collagen that connects muscles and bones
- D. The layer beneath the skin and on the outside of internal organs that provides cushioning and protection
Correct answer: B
Rationale: Cartilage is a type of flexible connective tissue that acts as supportive pads providing cushioning at joints, like those found between the vertebrae of the spine. This specific function of cartilage helps in reducing friction and absorbing shock in these areas, contributing to joint flexibility and protection. Choices A, C, and D do not accurately describe the function and location of cartilage in the body. Option A incorrectly refers to dense connective tissue, which is different from cartilage. Option C describes tendons or ligaments, which are not cartilage. Option D refers to adipose tissue, which is a type of connective tissue that stores fat and provides insulation, but it is not cartilage.
3. How does ingested food move through the digestive tract?
- A. Chewing, digestion, absorption
- B. Swallowing, peristalsis, segmentation
- C. Swallowing, mastication, defecation
- D. Digestion, absorption, excretion
Correct answer: B
Rationale: The correct answer is B: Swallowing, peristalsis, segmentation. Food moves through the digestive tract by first being swallowed, then undergoing peristalsis (wave-like movements that propel food along the digestive tract), and finally undergoing segmentation (mixing movements in the intestines). Chewing and digestion occur in the mouth and stomach, respectively, while absorption and excretion happen later in the digestive process. Choice A is incorrect as absorption is a later stage in the process. Choice C is incorrect because defecation is the elimination of waste, not the movement of food. Choice D is incorrect as excretion is the elimination of waste products, not the movement of ingested food through the digestive tract.
4. What is the process of breaking down and rebuilding bone tissue called?
- A. Ossification
- B. Remodeling
- C. Calcification
- D. Osteoporosis
Correct answer: B
Rationale: The correct answer is 'Remodeling.' Remodeling is the process of breaking down and rebuilding bone tissue. Ossification is the process of bone formation, not breaking down and rebuilding bone tissue. Calcification involves the deposition of calcium salts in tissues, but it is not specifically related to breaking down and rebuilding bone tissue. Osteoporosis is a condition characterized by decreased bone density leading to increased bone fragility, not the process of breaking down and rebuilding bone tissue.
5. Which type of tissue connects bones to other bones?
- A. Tendons
- B. Ligaments
- C. Cartilage
- D. Muscle
Correct answer: B
Rationale: Ligaments are the correct answer. Ligaments connect bones to other bones, providing stability in joints. Tendons, on the other hand, connect muscles to bones, allowing movement. Cartilage is a type of connective tissue that cushions joints and helps with smooth movements. Muscle tissue is responsible for generating force and movement in the body, not for connecting bones to each other.
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