ATI TEAS 7
Anatomy
1. The inability of the kidneys to effectively filter waste products from the blood is called:
- A. Dehydration
- B. Kidney failure
- C. Incontinence
- D. Nephritis
Correct answer: B
Rationale: The correct answer is B: "Kidney failure." Kidney failure refers to the inability of the kidneys to effectively filter waste products from the blood, leading to a buildup of toxins in the body. Dehydration, option A, is the state of lacking adequate fluid in the body and is not specifically related to kidney function. Incontinence, option C, is the loss of bladder control and is unrelated to kidney filtration function. Nephritis, option D, specifically refers to inflammation of the kidneys and may not always result in complete kidney failure. Therefore, the most appropriate answer for the described scenario is B.
2. What property of matter refers to the amount of space occupied by an object and is measured in cubic units?
- A. Mass
- B. Density
- C. Weight
- D. Volume
Correct answer: d
Rationale: Volume is the property that refers to the amount of space occupied by an object and is measured in cubic units such as cubic meters or cubic centimeters.
3. What is the name for the flexible connection between bones at the wrist or ankle?
- A. Ligament
- B. Tendon
- C. Fascia
- D. Synovial joint
Correct answer: A
Rationale: The correct answer is A: Ligament. Ligaments are fibrous connective tissues that connect bones to other bones, providing stability and support to joints. In the context of the wrist or ankle, ligaments play a crucial role in maintaining the structural integrity of these joints and preventing excessive movement that could lead to injury. Tendons (option B) connect muscles to bones, fascia (option C) is a connective tissue that surrounds muscles and other structures, and synovial joint (option D) refers to a type of joint that allows for movement. Therefore, the flexible connection between bones at the wrist or ankle is best described as a ligament.
4. The number of protons in an atom determines its:
- A. Mass number
- B. Atomic number
- C. Atomic number
- D. Valence electron count
Correct answer: B
Rationale: The atomic number (Z) equals the number of protons and defines an element's core identity.
5. Two objects with different masses collide. What happens to their momentum after the collision?
- A. Increases for both objects
- B. Decreases for both objects
- C. Remains the same for both objects
- D. Can increase for one and decrease for the other
Correct answer: C
Rationale: In an isolated system (no external forces), the total momentum
6. Deficiency of which hormone can lead to stunted growth and developmental delays in children?
- A. Estrogen
- B. Testosterone
- C. Growth hormone
- D. Insulin
Correct answer: C
Rationale: The correct answer is C: Growth hormone. Growth hormone plays a crucial role in stimulating growth, cell reproduction, and regeneration in humans. Deficiency of growth hormone can lead to stunted growth and developmental delays in children. Estrogen and testosterone are sex hormones responsible for sexual development and characteristics, but they do not directly impact growth. Insulin is a hormone that regulates blood sugar levels and is not associated with stunted growth or developmental delays.
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