ATI TEAS 7
anatomy
1. Which structure connects a muscle to a bone, allowing movement to occur at a joint?
- A. Tendon
- B. Ligament
- C. Cartilage
- D. Bursa
Correct answer: a
Rationale: The correct answer is A: Tendon. Tendons are fibrous connective tissues that connect muscles to bones. They play a crucial role in allowing movement to occur at joints by transmitting the force generated by the muscle to the bone, resulting in movement. Ligaments (option B) connect bone to bone, providing stability to joints. Cartilage (option C) is a smooth, flexible tissue that covers the ends of bones and acts as a cushion. Bursa (option D) is a small fluid-filled sac that reduces friction between tissues. Therefore, tendons are specifically designed to connect muscles to bones for movement at joints.
2. What does the term "terminal velocity" refer to in physics?
- A. Maximum velocity reached by an object in free fall
- B. Velocity when the object is at rest
- C. nstantaneous velocity of an object
- D. Velocity only reached by heavy objects
Correct answer: a
Rationale: Terminal velocity is the constant velocity achieved by an object falling through the atmosphere when the force of air resistance equals the force of gravity.
3. Edema is a condition characterized by swelling caused by a buildup of lymph fluid. What factors can contribute to edema?
- A. Regular exercise
- B. Maintaining a healthy weight
- C. Poor circulation or blockage in the lymphatic system
- D. Proper hydration
Correct answer: C
Rationale: Edema is a condition where there is an abnormal accumulation of fluid in the body tissues, leading to swelling. Poor circulation or blockage in the lymphatic system can contribute to edema by hindering the proper drainage of lymph fluid. When the lymphatic system is not functioning efficiently, it can result in fluid retention and swelling in the affected areas. Regular exercise and maintaining a healthy weight can actually help improve circulation and lymphatic flow, reducing the risk of edema. Proper hydration is important for overall health but specifically does not directly contribute to the development of edema as poor circulation or lymphatic blockages do.
4. The outermost layer of your skin is an example of which epithelial tissue type?
- A. Simple cuboidal
- B. Stratified squamous
- C. Simple columnar
- D. Stratified columnar
Correct answer: B
Rationale: The correct answer is B: Stratified squamous. The outermost layer of the skin, known as the epidermis, is primarily composed of stratified squamous epithelium. This type of epithelial tissue is designed to protect underlying tissues from abrasion and external factors. Simple cuboidal epithelium (option A) is typically found in areas where secretion and absorption occur, like in kidney tubules. Simple columnar epithelium (option C) lines the intestines and aids in absorption. Stratified columnar epithelium (option D) is relatively rare in the body and is found in limited areas such as parts of the male urethra. Hence, option B is the best choice as it accurately reflects the specific type of epithelial tissue that forms the outer layer of the skin.
5. Frequent, painful urination is a common symptom of:
- A. Diabetes
- B. Urinary tract infection (UTI)
- C. Kidney stones
- D. All of the above
Correct answer: D
Rationale: The correct answer is D, 'All of the above.' Frequent, painful urination can be a symptom of various conditions affecting the urinary system. In diabetes, high blood sugar levels can lead to increased urine production. UTIs often cause painful urination due to the infection in the urinary tract. Kidney stones can also result in frequent and painful urination as they obstruct the flow of urine. Therefore, all three options can present with the common symptom of frequent, painful urination, making 'All of the above' the correct choice.
6. What is the primary difference between science and pseudoscience?
- A. Science uses complex terminology and jargon, while pseudoscience is easier to understand.
- B. Science relies on rigorous methodology and evidence, while pseudoscience thrives on personal anecdotes and testimonials.
- C. Science caters to specific fields of study, while pseudoscience encompasses broader life questions.
- D. Science is conducted by professionals, while pseudoscience is pursued by amateurs with limited knowledge.
Correct answer: B
Rationale: Both science and pseudoscience can explore similar topics, but their methods and reliance on evidence differentiate them.
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