ATI TEAS 7
TEAS Test 7 science
1. Where does fertilization, the fusion of sperm and egg, typically occur in the female reproductive system?
- A. Ovary
- B. Fallopian tube
- C. Uterus
- D. Vagina
Correct answer: B
Rationale: Fertilization 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 fallopian tube is the site where the sperm fertilizes the egg before the fertilized egg continues its journey towards the uterus for implantation. The ovary is where the egg is produced but not where fertilization occurs. The uterus is where the fertilized egg implants and develops into a fetus, not where fertilization takes place. The vagina is part of the birth canal and not the typical site for fertilization in the female reproductive system.
2. To which of the following bone types do the spine and hips belong?
- A. Curved bones
- B. Irregular bones
- C. Flat bones
- D. Long bones
Correct answer: B
Rationale: The correct answer is B: Irregular bones. The spine and hips belong to the category of irregular bones. Irregular bones have complex shapes that do not fit into other bone type categories. These bones serve functions such as support and protection, and their shapes vary depending on their specific roles in the body. Choice A, curved bones, is incorrect because bones like ribs are typically described as curved, not the spine and hips. Choice C, flat bones, is incorrect as flat bones include the skull and ribs, but not the spine and hips. Choice D, long bones, is also incorrect because long bones include bones like the femur and humerus, which are elongated with a shaft and distinct ends, unlike the spine and hips.
3. Which plane divides the body into anterior (front) and posterior (back) halves?
- A. Sagittal/Median Plane
- B. Frontal/Coronal Plane
- C. Transverse/Cross-Section Plane
- D. Horizontal Plane
Correct answer: B
Rationale: The correct answer is B - Frontal/Coronal Plane. This plane divides the body into anterior (front) and posterior (back) halves. The sagittal plane divides the body into left and right halves, the transverse plane separates the body into superior (upper) and inferior (lower) portions. The horizontal plane is not a standard anatomical term for body division and does not provide division into front and back halves.
4. What are the four types of cells in the gastric glands of the stomach mucosa?
- A. Endocrine, parietal, chief, mucous cells
- B. Parietal, mucous, goblet, endocrine cells
- C. Chief, parietal, goblet, lymphoid cells
- D. Goblet, lymphoid, parietal, chief cells
Correct answer: A
Rationale: The correct answer is A: Endocrine, parietal, chief, mucous cells. In the gastric glands of the stomach mucosa, the four types of cells are endocrine (producing hormones), parietal (secreting acid and intrinsic factor), chief (responsible for producing digestive enzymes), and mucous cells (providing protection to the stomach lining). These cells play essential roles in the digestive processes and maintaining the health of the stomach mucosa. Choices B, C, and D are incorrect because they do not accurately represent the types of cells found in the gastric glands of the stomach mucosa. Parietal cells secrete acid and intrinsic factor, chief cells produce digestive enzymes, and mucous cells provide protection, making these the correct choices in the context of gastric gland cellular composition.
5. What is the common name for the organic compound CH₃OH?
- A. Methane
- B. Ethanol
- C. Methanol
- D. Butanol
Correct answer: C
Rationale: The common name for the organic compound CH₃OH is methanol. Methane (A) has the chemical formula CH₄. Ethanol (B) corresponds to the formula C₂H₅OH. Butanol (D) is a compound with the formula C₄H₉OH. The correct answer is C - Methanol, which is the common name for CH₃OH, while the other options correspond to different organic compounds with distinct formulas. Therefore, methanol is the correct choice when identifying the common name for the compound CH₃OH.
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