ATI TEAS 7
Anatomy
1. Bone is a type of
- A. Epithelial tissue
- B. Connective tissue
- C. Hard connective tissue
- D. Muscle tissue
Correct answer: C
Rationale: The correct answer is C: "Hard connective tissue." Bone is classified as hard connective tissue because it is composed of cells embedded in a matrix of mineralized collagen fibers, providing support and protection to the body. Epithelial tissue (A) covers body surfaces and lines cavities, while connective tissue (B) includes bone, cartilage, and blood. Muscle tissue (D) is responsible for movement and is not the same as bone tissue.
2. Which of the following is NOT a function of the cilia lining the respiratory tract?
- A. Trapping inhaled dust and debris
- B. Moistening inhaled air
- C. Producing mucus
- D. Propelling mucus upwards towards the throat
Correct answer: C
Rationale: The correct answer is C: 'Producing mucus.' Cilia lining the respiratory tract do not produce mucus, but rather move the mucus that is produced by other cells. The cilia work together to propel the mucus upwards towards the throat, where it can be either swallowed or expelled. Trapping inhaled dust and debris, moistening inhaled air, and propelling mucus upwards are all important functions of the cilia in the respiratory tract, helping to protect the lungs and maintain respiratory health.
3. Define power in physics.
- A. The rate of change of energy
- B. The rate of doing work or transferring energy
- C. The measure of an object's potential energy
- D. The force exerted on an object
Correct answer: b
Rationale: Power is the rate at which work is done or energy is transferred or converted.
4. A car brakes to a stop on a level road. Which of the following forces does NOT do work on the car?
- A. The braking force applied by the wheels
- B. The normal force from the road
- C. The gravitational force on the car
- D. The friction force between the tires and the road
Correct answer: B
Rationale: While the other forces do work by changing the car's motion or energy, the normal force acts perpendicular to the motion and doesn't contribute to the car's stopping.
5. Fertilization of the egg by sperm typically occurs in the:
- A. Ovary
- B. Fallopian tube
- C. Uterus
- D. Vagina
Correct answer: B
Rationale: The correct answer is B: Fallopian tube. Fertilization of the egg by sperm typically occurs in the fallopian tube. After ovulation, the egg travels through the fallopian tube where it can meet sperm for fertilization. The fallopian tube provides an ideal environment for fertilization to occur due to its proximity to the ovaries and the uterus. The other options, A: Ovary, C: Uterus, and D: Vagina, are not the typical sites for fertilization to take place. Therefore, the fallopian tube is the most appropriate location for the union of egg and sperm to form a zygote.
6. When an atom gains or loses electrons, it becomes a(n):
- A. Molecule
- B. Isotope
- C. Ion
- D. Compound
Correct answer: C
Rationale: Gaining or losing electrons alters the atom's electron count and charge, creating a positively or negatively charged ion.
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