ATI TEAS 7
physics
1. Which property of a wave represents the distance between two successive identical points on a wave?
- A. Wavelength
- B. Amplitude
- C. Frequency
- D. Period
Correct answer: a
Rationale: Wavelength is the distance between two identical points (like crests or troughs) on a wave.
2. Which of the following is NOT a type of chemical bond?
- A. Ionic bond
- B. Covalent bond
- C. Metallic bond
- D. Gravitational bond
Correct answer: D
Rationale: Although gravity exists, it's not considered a chemical bond responsible for holding atoms together within molecules.
3. A medication order is written as 3/4 of a tablet. If each tablet is 500mg, what is the equivalent dosage in milligrams?
- A. 375mg
- B. 425mg
- C. 450mg
- D. 475mg
Correct answer: A
Rationale: Multiply the tablet strength (500mg) by the fractional dose (3/4) to get 375 milligrams.
4. Which sentence uses the comparative degree of an adjective correctly?
- A. This movie is good, but the other one is better.
- B. She is the tallest player on the team.
- C. He worked hardest than everyone else.
- D. My coffee is hotter than yours.
Correct answer: A
Rationale: Option A uses "better" to compare the quality of two movies.
5. What is the scientific name for the kneecap?
- A. Patella
- B. Femur
- C. Tibia
- D. Fibula
Correct answer: A
Rationale: The patella, commonly known as the kneecap, is a small, flat, triangular bone that sits at the front of the knee joint. It protects the joint from impact and helps to transmit force from the quadriceps muscle to the tibia (shinbone).
6. In plant cells, what structure provides rigidity and support?
- A. Cell membrane
- B. Golgi apparatus
- C. Plastid
- D. Cell wall
Correct answer: D
Rationale: The correct answer is D: Cell wall. The cell wall is a rigid structure found in plant cells that provides support and protection. It is composed of cellulose and other materials, forming a tough outer layer that helps maintain the cell's shape and prevents it from bursting under pressure. The cell membrane (option A) is a semi-permeable barrier that surrounds the cell but does not provide rigidity. The Golgi apparatus (option B) is involved in sorting and packaging proteins. Plastids (option C) are organelles responsible for functions like photosynthesis and storage, but they do not provide rigidity and support like the cell wall does.
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