ATI TEAS 7
TEAS 7 practice test free science
1. Identify the indirect object in the following sentence: 'He gave his mother a bouquet of flowers.'
- A. mother
- B. bouquet
- C. flowers
- D. gave
Correct answer: A
Rationale: In the sentence 'He gave his mother a bouquet of flowers,' the indirect object is 'his mother' because she is the recipient of the action of giving. The direct object is 'a bouquet of flowers' because it is the thing being given. The verb 'gave' is the action being performed. Choice B, 'bouquet,' is incorrect as it is the direct object, not the indirect object. Choice C, 'flowers,' is incorrect as it is part of the direct object phrase. Choice D, 'gave,' is incorrect as it is the verb indicating the action, not an object.
2. What is the muscular tube that transports sperm from the testes to the urethra called?
- A. Epididymis
- B. Vas deferens
- C. Seminal vesicle
- D. Cowper's gland
Correct answer: B
Rationale: The correct answer is the vas deferens. It is the muscular tube responsible for carrying sperm from the testes to the urethra. After sperm is produced in the testes, it moves to the epididymis for maturation and storage. The seminal vesicle contributes fluid to semen, but it is not the tube that transports sperm. Cowper's gland also adds fluid to semen but is not involved in transporting sperm. Therefore, the vas deferens is the accurate choice for the muscular tube that transports sperm.
3. Mesosomes are the internal extensions of which of the following?
- A. Capsule
- B. Cell membranes
- C. Cell wall
- D. Chromatin body
Correct answer: B
Rationale: Mesosomes are the internal extensions of the cell membrane, not the capsule, cell wall, or chromatin body. They play a crucial role in cell division and are essential for various cellular processes such as respiration and cell wall formation. Mesosomes are not associated with the capsule (choice A), cell wall (choice C), or chromatin body (choice D), making these options incorrect.
4. What is the process by which the body reabsorbs water from the large intestine?
- A. Dehydration
- B. Osmosis
- C. Filtration
- D. Secretion
Correct answer: B
Rationale: Osmosis (Option B) is the correct process by which the body reabsorbs water from the large intestine. Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration. In the large intestine, water is reabsorbed through osmosis to maintain the body's fluid balance. Dehydration (Option A) refers to the condition of having insufficient water in the body, not the process of water reabsorption in the large intestine. Filtration (Option C) is a process where a liquid or gas passes through a filter to separate the components, not the primary mechanism for water reabsorption in the large intestine. Secretion (Option D) is the release of substances from cells, but it is not the process by which the body reabsorbs water from the large intestine.
5. What is the primary function of hair on the human body?
- A. Insulation
- B. Sensory perception
- C. Protection
- D. Vitamin D synthesis
Correct answer: C
Rationale: The primary function of hair on the human body is protection. Hair acts as a barrier to protect the skin from external factors such as sunlight, dust, and other environmental elements. While hair can also provide some insulation by trapping heat near the body and contribute to sensory perception by detecting touch or movements, its main role is to safeguard the skin from potential harm, making protection the most essential function. Vitamin D synthesis is primarily related to the skin's exposure to sunlight and is not a direct function of hair.
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