ATI TEAS 7
Chemistry
1. Which of the following is a characteristic of a solution with a high viscosity?
- A. It flows easily
- B. It has a low resistance to flow
- C. It has a high resistance to flow
- D. It does not mix with other liquids
Correct answer: c
Rationale: Solutions with high viscosity have a high resistance to flow. The other choices do not accurately describe high viscosity.
2. The muscular tube that transports sperm from the testes to the urethra is called the:
- A. Epididymis
- B. Vas deferens
- C. Seminal vesicle
- D. Cowper's gland
Correct answer: B
Rationale: The correct answer is B: Vas deferens. The vas deferens is a muscular tube that carries sperm from the testes to the urethra. It is an essential part of the male reproductive system, allowing for the transport of sperm for ejaculation. The epididymis is a coiled tube where sperm mature and are stored, not where they are transported to the urethra. The seminal vesicle and Cowper's gland are accessory glands that contribute fluids to semen but are not part of the direct pathway for sperm transport.
3. Identify the article in the following sentence: The delicious cake was enjoyed by everyone at the party.
- A. cake
- B. was
- C. the
- D. enjoyed
Correct answer: C
Rationale: : Articles ("a," "an," and "the") indicate specificity of a noun. "The" specifies that there is one particular cake being discussed.
4. A hypothesis should be:
- A. A definitive statement of fact based on existing knowledge.
- B. A testable prediction based on observations and reasoning.
- C. A broad question without any specific direction or focus.
- D. A personal belief or opinion not requiring further investigation.
Correct answer: B
Rationale: Hypotheses guide scientific exploration by providing a framework for testing potential explanations.
5. Cartilage is a flexible connective tissue found in the:
- A. Center of long bones
- B. Joints between bones
- C. Muscle tissue
- D. Walls of blood vessels
Correct answer: A
Rationale: Cartilage is a flexible connective tissue that is found in the joints between bones. It is a strong yet flexible tissue that cushions and supports the joints, allowing for smooth movement and reducing friction between bones. Cartilage is not typically found in the center of long bones, muscle tissue, or walls of blood vessels. Therefore, the correct answer is B: 'Joints between bones.'
6. What happens to the concentration of hydrogen ions (\([H^+]\)) in a solution as the pH increases?
- A. Increases
- B. Decreases
- C. Remains constant
- D. Becomes neutral
Correct answer: B
Rationale: As the pH increases, the concentration of hydrogen ions decreases. The relationship is inversely proportional
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