ATI TEAS 7
Anatomy
1. Which of the following processes breaks down cellular components for recycling or waste removal?
- A. Photosynthesis
- B. Cellular respiration
- C. Cell division
- D. Phagocytosis
Correct answer: D
Rationale: The correct answer is D: Phagocytosis. Phagocytosis is a process in which cells engulf and digest cellular components, pathogens, or other materials for recycling or waste removal. Photosynthesis (option A) is the process by which plants convert sunlight into energy. Cellular respiration (option B) is the process of converting glucose into ATP for energy production. Cell division (option C) is the process by which a cell divides into two daughter cells. Therefore, phagocytosis is the most relevant process that breaks down cellular components for recycling or waste removal.
2. The human body's largest organ, responsible for detoxification and a multitude of other functions, is the:
- A. Heart
- B. Liver
- C. Lungs
- D. Skin
Correct answer: B
Rationale: The correct answer is B: Liver. The liver is the largest internal organ in the human body and is responsible for detoxification, processing nutrients, producing bile, and regulating blood sugar levels, among other functions. While the heart is vital for pumping blood, the lungs are crucial for respiration, and the skin is the body's largest external organ, the liver plays a central role in detoxification and various metabolic processes, making it the correct answer to this question.
3. A patient needs to take 2 tablets for every 30 pounds of body weight. If they weigh 150 pounds, how many tablets should they take?
- A. 5
- B. 10
- C. 15
- D. 20
Correct answer: A
Rationale: Divide the patient's weight (150 pounds) by the ratio denominator (30 pounds/tablet) to get 5 tablets.
4. A study finds a correlation between increased ice cream consumption and lower crime rates. What is the MOST likely explanation for this observation?
- A. Ice cream directly reduces criminal behavior.
- B. People who commit crimes eat less ice cream.
- C. A third factor, like hot weather, influences both.
- D. The study design is flawed and the connection is false.
Correct answer: C
Rationale: The most likely explanation for the correlation between increased ice cream consumption and lower crime rates is a third factor influencing both variables. In this case, hot weather could be the common factor as both ice cream consumption and crime rates tend to increase during warmer months. This scenario illustrates the importance of considering confounding variables when interpreting correlations.
5. What is the term for an organism with two different alleles for a gene?
- A. Homozygous
- B. Heterozygous
- C. Dominant
- D. Recessive
Correct answer: B
Rationale: An organism with two different alleles for a gene has a mixed genotype and may exhibit either the dominant or recessive trait depending on the specific gene and its alleles.
6. The two main divisions of the skeletal system are:
- A. Upper and lower body bones
- B. Axial and appendicular skeleton
- C. Long and short bones
- D. Compact and spongy bone
Correct answer: B
Rationale: The correct answer is B: Axial and appendicular skeleton. The skeletal system is divided into two main parts: the axial skeleton, which includes the skull, rib cage, and vertebral column, and the appendicular skeleton, which includes the bones of the arms, legs, shoulders, and hips. This division is based on the location and function of the bones in the body. The other options are incorrect as they do not represent the main divisions of the skeletal system. Understanding these divisions is important for studying the structure and function of the human skeletal system.
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