ATI TEAS 7
English Grammar
1. "Ironic" and "serious" are:
- A. synonyms (have the same meaning)
- B. antonyms (have opposite meanings)
- C. homonyms (sound the same but have different meanings)
- D. none of the above
Correct answer: B
Rationale: "Ironic" means the opposite of "serious."
2. Following a successful heart transplant surgery, the patient's body will need to take medications to:
- A. Suppress the immune system and prevent rejection of the new heart.
- B. Reduce overall blood pressure.
- C. Dissolve any remaining blood clots.
- D. Stimulate the growth of new heart tissue.
Correct answer: A
Rationale: The correct answer is A: 'Suppress the immune system and prevent rejection of the new heart.' After a heart transplant surgery, the body's immune system may recognize the new heart as a foreign object and try to attack it, leading to rejection. To prevent this, patients need to take medications that suppress the immune system, helping the body accept the new heart. These medications are crucial to ensure the success and longevity of the transplanted organ by reducing the risk of rejection. Options B, C, and D are not directly related to the post-heart transplant medication regimen and do not address the primary concern of preventing rejection.
3. What is the building block of RNA?
- A. Amino acid
- B. Nucleotide
- C. Protein
- D. Fatty acid
Correct answer: B
Rationale: Rationale: A) Amino acid: Amino acids are the building blocks of proteins, not RNA. B) Nucleotide: Nucleotides are the building blocks of RNA. A nucleotide consists of a nitrogenous base (adenine, guanine, cytosine, or uracil in RNA), a sugar (ribose in RNA), and a phosphate group. C) Protein: Proteins are made up of amino acids, not nucleotides. D) Fatty acid: Fatty acids are components of lipids, not RNA.
4. Which phenomenon describes the bending of light as it travels from one medium to another with differing densities?
- A. Reflection
- B. Refraction
- C. Diffraction
- D. Dispersion
Correct answer: B
Rationale: The correct answer is B: Refraction. Refraction is the phenomenon that describes the bending of light as it travels from one medium to another with differing densities. When light passes from one medium to another, such as from air to water, its speed changes, causing it to bend. This bending of light is what we observe when a pencil appears bent in a glass of water. Reflection, on the other hand, is the bouncing back of light when it hits a surface. Diffraction refers to the bending of light around obstacles, and dispersion is the separation of light into its different colors. Therefore, in this case, refraction is the most appropriate term to describe the bending of light as it moves between media with different densities.
5. Describe the mechanism by which genes are transmitted from parents to offspring.
- A. Blending of parental genes, resulting in an average of their traits.
- B. Random assortment of alleles during meiosis, leading to unique combinations in each offspring.
- C. Inheritance of solely dominant alleles, masking the influence of recessive ones.
- D. Direct transfer of both parental genomes, creating identical copies of the parents.
Correct answer: B
Rationale: Rationale: A) Blending of parental genes, resulting in an average of their traits, is not an accurate description of how genes are transmitted. In reality, genes are not blended but rather passed down in discrete units. B) Random assortment of alleles during meiosis is the correct mechanism by which genes are transmitted from parents to offspring. During meiosis, homologous chromosomes separate, and alleles are randomly distributed to the gametes, leading to unique combinations of genes in each offspring. C) Inheritance of solely dominant alleles, masking the influence of recessive ones, is not an accurate representation of gene transmission. Offspring inherit alleles from both parents, and the expression of dominant or recessive traits depends on the specific combination of alleles. D) Direct transfer of both parental genomes, creating identical copies of the parents, is not how genes are transmitted. Offspring inherit a unique combination
6. Where does fertilization, the fusion of sperm and egg, typically occur in the human body?
- A. Ovary
- B. Uterus
- C. Fallopian tube
- D. Vagina
Correct answer: C
Rationale: The correct answer is C: Fallopian tube. Fertilization, the fusion of sperm and egg, typically occurs in the fallopian tube. After ovulation, the egg is released from the ovary and travels through the fallopian tube where it may encounter sperm for fertilization. The fertilized egg then moves to the uterus for implantation and development. The ovary releases the egg but fertilization occurs in the fallopian tube, making it the correct answer.
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