ATI TEAS 7
physics
1. What is the formula to calculate work?
- A. Work = Force × Distance
- B. Work = Mass × Velocity
- C. Work = Power × Time
- D. Work = Energy ÷ Time
Correct answer: a
Rationale: Work is calculated by multiplying force exerted on an object by the distance the object moves in the direction of the force.
2. Ectopic pregnancy is a serious condition that occurs when a fertilized egg implants outside the uterus. What is the most common location for an ectopic pregnancy?
- A. Ovary
- B. Fallopian tube
- C. Cervix
- D. Vagina
Correct answer: B
Rationale: The correct answer is B: Fallopian tube. The fallopian tube is the most common location for an ectopic pregnancy to occur. This is because the fertilized egg typically gets stuck or implants in the fallopian tube instead of traveling to the uterus for normal implantation. If left untreated, an ectopic pregnancy in the fallopian tube can lead to serious complications such as tubal rupture and internal bleeding. The other options (ovary, cervix, vagina) are not typical sites for implantation of a fertilized egg and are less likely to result in an ectopic pregnancy.
3. The ureters are paired tubes that transport urine from the:
- A. Bladder to the urethra
- B. Kidneys to the bladder
- C. Urethra to the kidneys
- D. Skin to the kidneys
Correct answer: B
Rationale: The correct answer is B: 'Kidneys to the bladder.' The ureters are paired tubes that carry urine from the kidneys to the bladder. Once urine is produced in the kidneys, it travels through the ureters to be stored in the bladder until it is eliminated from the body through the urethra. Option A, 'Bladder to the urethra,' is incorrect because the ureters transport urine from the kidneys to the bladder, not from the bladder to the urethra. Option C, 'Urethra to the kidneys,' and option D, 'Skin to the kidneys,' are both inaccurate as they do not describe the correct direction of urine flow in the urinary system. Understanding the anatomy and function of the urinary system is essential for comprehending how urine is produced and excreted by the body.
4. What is the meaning of the idiom "to cross that bridge when we come to it"?
- A. To deal with a problem immediately
- B. To plan for the future in detail
- C. To worry about potential problems prematurely
- D. To avoid difficult situations
Correct answer: C
Rationale: The idiom suggests dealing with challenges as they arise, not before.
5. What does "monophyletic" mean in the context of classification?
- A. A group with a single representative organism
- B. A group with diverse and unrelated members
- C. A group with similar functions but different origins
- D. A group descended from a common ancestor
Correct answer: D
Rationale: Rationale: In the context of classification, "monophyletic" refers to a group that includes a common ancestor and all of its descendants. This group shares a single evolutionary origin and forms a complete branch on a phylogenetic tree. Monophyletic groups are considered natural and valid taxonomic units because they reflect evolutionary relationships accurately. Option D is the correct choice as it accurately defines the term "monophyletic" in the context of classification.
6. What is the unit of measurement for momentum?
- A. Newton-second (N·s)
- B. Kilogram-meter (kg·m)
- C. Joule (J)
- D. Meter per second (m/s)
Correct answer: A
Rationale: Momentum is defined as the product of an object's mass and its velocity. The unit of mass is kilograms (kg) and the unit of velocity is meters per second (m/s). Therefore, the unit of momentum is kilogram-meter per second (kg·m/s). By Newton's second law of motion (F = ma), force is measured in Newtons (N), which is equivalent to kg·m/s². Therefore, multiplying the unit of force (N) by the unit of time (s) gives the unit of momentum as Newton-second (N·s).
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