ATI TEAS 7
Mometrix TEAS 7 science practice test
1. Where is pseudostratified columnar epithelium primarily found?
- A. Skeletal muscle
- B. Bony skeleton
- C. External ears
- D. Bloodstream
Correct answer: C
Rationale: Pseudostratified columnar epithelium is a type of epithelial tissue found in the respiratory tract, including the lining of the trachea and bronchi. It is also found in the male reproductive system and parts of the auditory tube and external ear canal. Among the options provided, the external ears (option C) are the most relevant location for pseudostratified columnar epithelium. Skeletal muscle (option A) is primarily composed of muscle fibers, not epithelial tissue. The bony skeleton (option B) is composed of bone tissue. The bloodstream (option D) consists of blood cells and plasma, not epithelial tissue.
2. In the 18th century, women were more likely to die in childbirth compared to the 21st century. What is a possible explanation for why women are less likely to die in childbirth in the present age?
- A. Doctors are better equipped to perform cesarean sections.
- B. Doctors have more tools to monitor mothers during childbirth, enabling earlier detection of complications.
- C. Doctors practice good hand hygiene to prevent the transfer of germs and infections.
- D. All of the statements above provide reasonable explanations for the decrease in mortality during childbirth.
Correct answer: D
Rationale: All options are valid explanations for the decrease in maternal mortality during childbirth in modern times. Improved medical knowledge and technology have enabled doctors to perform cesarean sections more effectively, monitor mothers more closely for early detection of complications, and maintain better hygiene practices to reduce the risk of infections. Therefore, all the given statements collectively contribute to the reduction in maternal mortality rates in the 21st century.
3. All of the following are parts of the respiratory system EXCEPT the:
- A. Trachea
- B. Bronchi
- C. Esophagus
- D. Larynx
Correct answer: C
Rationale: The esophagus is part of the digestive system, not the respiratory system. The trachea, bronchi, and larynx are all components of the respiratory system responsible for the passage of air during breathing and speech production. The esophagus, on the other hand, is part of the digestive system, responsible for the transportation of food from the mouth to the stomach through a series of muscular contractions called peristalsis. Therefore, the correct answer is 'Esophagus (C).' Choices A, B, and D are all integral parts of the respiratory system, playing crucial roles in the airway and vocalization processes.
4. What is the anatomical term for the back of the body? Example: Shoulder blade.
- A. Anterior
- B. Superior
- C. Posterior
- D. Inferior
Correct answer: C
Rationale: The correct answer is C: Posterior. 'Posterior' is the anatomical term that refers to the back of the body. It is the opposite of 'anterior,' which refers to the front of the body. 'Superior' typically describes a structure that is positioned above another structure, while 'inferior' refers to a structure that is below another. In this case, the term 'posterior' specifically indicates the back of the body, making it the most appropriate choice among the options provided.
5. Which of the following statements is NOT true of most metals?
- A. Most of them are good conductors of heat.
- B. Most of them are gases at room temperature.
- C. Most of them are ductile.
- D. They make up the majority of elements on the periodic table.
Correct answer: B
Rationale: The correct answer is B because most metals are not gases at room temperature; they are usually solid and good conductors of heat. Metals are generally known for being good conductors of heat, ductile, and making up the majority of elements on the periodic table. Choice A is correct as metals, in general, are good conductors of heat. Choice C is also correct as most metals exhibit ductility. Choice D is correct as metals constitute the majority of elements found on the periodic table.
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