ATI TEAS 7
Mathematics
1. The formula for body mass index (BMI) is BMI = weight (kg) / height (m)^2. If a patient's BMI is 25 and their height is 1.7m, what is their weight?
- A. 34kg
- B. 45kg
- C. 56kg
- D. 68kg
Correct answer: C
Rationale: 56kg: Rearrange the formula to solve for weight: weight = BMI * height^2.
2. Which word is misspelled?
- A. accommodate
- B. acquiesce
- C. circumstance
- D. indelible
Correct answer: D
Rationale: "Indelible" is spelled correctly, while "circumstance" should be "circumstance."
3. Cartilage, found in joints and the ear, is a type of:
- A. Epithelial tissue
- B. Connective tissue
- C. Muscle tissue
- D. Nervous tissue
Correct answer: B
Rationale: The correct answer is B: Connective tissue. Cartilage is a tough, flexible type of connective tissue that provides support and cushioning in joints and the ear. It is made up of specialized cells called chondrocytes embedded in a gel-like matrix of collagen and proteoglycans. Epithelial tissue (A) covers and lines body surfaces, muscle tissue (C) is responsible for movement, and nervous tissue (D) transmits signals in the body. In contrast, cartilage primarily serves a structural and protective function, placing it within the category of connective tissue.
4. Which of the following blood vessels carries oxygenated blood away from the lungs?
- A. Pulmonary artery
- B. Aorta
- C. Superior vena cava
- D. Inferior vena cava
Correct answer: B
Rationale: The correct answer is B: Aorta. The aorta is the main artery in the body that carries oxygenated blood away from the heart to the rest of the body. The pulmonary artery, option A, carries deoxygenated blood from the heart to the lungs for oxygenation. The superior vena cava, option C, and inferior vena cava, option D, are veins that carry deoxygenated blood from the upper and lower parts of the body, respectively, back to the heart. Therefore, the aorta is the blood vessel that carries oxygenated blood away from the lungs.
5. Which organ produces insulin?
- A. Pancreas
- B. Liver
- C. Stomach
- D. Kidneys
Correct answer: A
Rationale: Rationale: Insulin is a hormone that regulates blood sugar levels by facilitating the uptake of glucose into cells for energy production or storage. The pancreas is an organ located behind the stomach that plays a crucial role in producing insulin. Specialized cells within the pancreas, called beta cells, are responsible for synthesizing and secreting insulin in response to changes in blood glucose levels. Therefore, the pancreas is the organ that produces insulin.
6. Which type of energy is associated with the random motion of particles in a substance?
- A. Potential energy
- B. Mechanical energy
- C. Thermal energy
- D. Chemical energy
Correct answer: c
Rationale: Thermal energy is related to the random motion of particles in a substance and is associated with temperature.
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