ATI TEAS 7
TEAS Test 7 science quizlet
1. Which muscular tube carries urine from the kidneys to the bladder?
- 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. The nephron is the functional unit of the kidney responsible for filtering blood and producing urine. The urethra is the tube that carries urine from the bladder out of the body. The glomerulus is a network of capillaries in the nephron where filtration of blood occurs.
2. What is the smallest bone in the human body?
- A. Stapes (Middle ear bone)
- B. Patella (Kneecap)
- C. Phalanges (Finger bones)
- D. Ribs
Correct answer: A
Rationale: The correct answer is A: Stapes (Middle ear bone). The stapes, located in the middle ear, is indeed the smallest bone in the human body. Despite its small size, the stapes is vital for hearing as it transmits and amplifies sound vibrations, contributing significantly to auditory perception. Choices B, C, and D are incorrect. The patella (kneecap) is the largest sesamoid bone in the human body, not the smallest bone. Phalanges are the bones in fingers and toes, not the smallest bone overall. Ribs are long bones that protect the chest cavity, not the smallest bone in the body.
3. A student is starting a research assignment on Japanese-American internment camps during World War II, but she is unsure of how to gather relevant resources. Which of the following would be the most helpful advice for the student?
- A. Conduct a broad internet search to get a wide view of the subject.
- B. Consult an American history textbook.
- C. Find websites about Japanese-American culture encompassing various aspects such as fashion and politics.
- D. Locate texts in the library related to World War II in America and look for references to internment camps in the index.
Correct answer: D
Rationale: The most effective way for the student to gather detailed and relevant resources for the research assignment on Japanese-American internment camps during World War II would be to search for specific references in library texts related to World War II. Option A suggesting a broad internet search might provide too much irrelevant information. Option B, consulting an American history textbook, may not offer in-depth coverage of internment camps specifically. Option C, focusing on Japanese culture aspects like fashion and politics, is not directly related to the research topic on internment camps.
4. A pediatrician notes that an infant's cartilage is disappearing and being replaced by bone. What process has the doctor observed?
- A. Mineralization
- B. Ossification
- C. Osteoporosis
- D. Calcification
Correct answer: B
Rationale: The doctor has observed the process of ossification. Ossification is the natural process where cartilage in the body is replaced by bone. This process takes place during fetal development, growth, and bone fracture healing. Ossification involves the formation of bone tissue by depositing minerals like calcium and phosphorus within the cartilage matrix, leading to the development of a bone structure. Choice A, mineralization, refers to the process of forming mineral deposits in tissues, but it does not involve the replacement of cartilage by bone. Choice C, osteoporosis, is a condition characterized by bone density loss and increased fragility, not the natural process of cartilage replacement by bone. Choice D, calcification, is the process of deposition of calcium salts in various tissues, but it does not specifically involve the replacement of cartilage by bone as in ossification.
5. Why is the lining of the stomach covered with rugae?
- A. Rugae increase the output of gastric juices.
- B. Rugae increase the surface area of the stomach.
- C. Rugae increase the permeability of the stomach walls.
- D. Rugae increase the types of nutrients that can diffuse.
Correct answer: B
Rationale: Rugae are folds in the stomach lining that increase its surface area. This increased surface area allows for more efficient digestion and absorption of nutrients in the stomach. Choice A is incorrect because rugae do not directly affect the output of gastric juices. Choice C is incorrect because rugae do not impact the permeability of the stomach walls. Choice D is incorrect because rugae do not influence the types of nutrients that can diffuse.
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