ATI TEAS 7
Anatomy
1. Which of the following is NOT a function of the skeletal system?
- A. Support and structure
- B. Production of red blood cells
- C. Storage of minerals like calcium
- D. Insulation of the body
Correct answer: A
Rationale: The correct answer is A. The skeletal system provides support and structure to the body, allowing for movement and protecting internal organs. The production of red blood cells occurs in the bone marrow, which is a function of the skeletal system. Additionally, the skeletal system stores minerals like calcium, which play a crucial role in bone health and overall bodily functions. Insulation of the body is not a primary function of the skeletal system but is rather a function of adipose tissue and the integumentary system. Therefore, option A is the correct answer as it does not align with the functions of the skeletal system.
2. Deuterium, a stable isotope of hydrogen, has a nucleus containing:
- A. A single proton
- B. A proton and a neutron
- C. Two protons and an electron
- D. Two neutrons
Correct answer: B
Rationale: The correct answer is B: 'A proton and a neutron.' Deuterium is an isotope of hydrogen with an atomic number of 1, meaning it has 1 proton in its nucleus. However, deuterium also has a neutron in its nucleus, making it different from regular hydrogen which only has a proton in its nucleus. Therefore, deuterium has a nucleus containing both a proton and a neutron, making option B the correct choice.
3. Which element has the highest melting point of any element?
- A. Tungsten
- B. Iron
- C. Platinum
- D. Carbon
Correct answer: D
Rationale: Diamond's strong covalent bonds between carbon atoms make it incredibly resistant to heat and pressure, giving it the highest melting point.
4. What type of figurative language is used in the statement "Her laughter was music to my ears"?
- A. Metaphor
- B. Simile
- C. Hyperbole
- D. Personification
Correct answer: A
Rationale: The statement directly compares laughter to music, forming a metaphor.
5. What type of bond involves the complete transfer of electrons between atoms?
- A. Covalent bond
- B. Ionic bond
- C. Metallic bond
- D. Hydrogen bond
Correct answer: B
Rationale: Ionic bond - Electrons are completely transferred from one atom to another, creating cations and anions with strong electrostatic attraction.
6. The dark, round structures observed within some bacterial cells are most likely:
- A. Ribosomes
- B. Flagella
- C. Endospores
- D. Capsules
Correct answer: C
Rationale: Rationale: - Ribosomes are not dark, round structures within bacterial cells. Ribosomes are small, non-membranous organelles responsible for protein synthesis in all cells. - Flagella are not dark, round structures within bacterial cells. Flagella are long, whip-like appendages that some bacteria use for movement. - Capsules are not dark, round structures within bacterial cells. Capsules are outer layers of polysaccharides that some bacteria produce for protection and adherence. - Endospores are dark, round structures observed within some bacterial cells. Endospores are dormant, highly resistant structures formed by certain bacteria in response to harsh environmental conditions.
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