Nokea
Which type of tissue connects bones to other bones?
- A. Tendons
- B. Ligaments
- C. Cartilage
- D. Muscle
Correct Answer: B
Rationale: Ligaments are the correct answer. Ligaments connect bones to other bones, providing stability in joints. Tendons, on the other hand, connect muscles to bones, allowing movement. Cartilage is a type of connective tissue that cushions joints and helps with smooth movements. Muscle tissue is responsible for generating force and movement in the body, not for connecting bones to each other.
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Which of the following best defines the anatomical term medial?
- A. Being face down
- B. On the front of the body or limb
- C. Near to the midline of the body
- D. Above or on top of the lungs
Correct Answer: C
Rationale: The correct definition of the anatomical term 'medial' is being close or near to the midline of the body. This term describes a position closer to the center or midline of the body, opposite to 'lateral' which refers to a position further away from the midline. Choice A, 'Being face down,' is incorrect as it describes the anatomical term 'prone.' Choice B, 'On the front of the body or limb,' is incorrect as it describes the anatomical term 'anterior.' Choice D, 'Above or on top of the lungs,' is incorrect as it does not relate to the term 'medial.'
Which cavity contains all of the frontal cavities? Choose only ONE best answer.
- A. Dorsal
- B. Thoracic
- C. Abdominopelvic
- D. Ventral
Correct Answer: D
Rationale: The correct answer is D: Ventral. The ventral cavity includes both the thoracic and abdominopelvic cavities. The frontal cavities are part of the ventral cavity, which is located towards the front of the body, while the dorsal cavity is towards the back. The dorsal cavity contains the cranial and vertebral cavities, not the frontal cavities. The thoracic cavity is part of the ventral cavity but does not encompass all the frontal cavities. The abdominopelvic cavity is also part of the ventral cavity, but it does not include all of the frontal cavities. Therefore, the ventral cavity is the correct choice as it encompasses all the frontal cavities.
Which of the following correctly orders the layers of the epidermis from most superficial to deepest?
- A. S. spinosum, S. basale, S. corneum, S. granulosum, S. lucidum
- B. S. corneum, S. lucidum, S. granulosum, S. spinosum, S. basale
- C. S. corneum, S. spinosum, S. basale, S. granulosum, S. lucidum
- D. S. basale, S. spinosum, S. granulosum, S. lucidum, S. corneum
Correct Answer: B
Rationale: The correct order of the layers of the epidermis from most superficial to deepest is: Stratum corneum, Stratum lucidum, Stratum granulosum, Stratum spinosum, Stratum basale. Choice B, 'S. corneum, S. lucidum, S. granulosum, S. spinosum, S. basale,' provides the accurate layering from the outermost to the innermost layer of the epidermis. Choice A is incorrect as it starts with Stratum spinosum, which is not the most superficial layer. Choice C is incorrect as it places Stratum spinosum before Stratum basale. Choice D is incorrect as it starts with Stratum basale, which is the deepest layer of the epidermis.
What do lacteals absorb in the small intestine?
- A. Carbohydrates
- B. Lipids
- C. Proteins
- D. Nonpolar nutrients
Correct Answer: B
Rationale: Lacteals are lymphatic capillaries in the small intestine that specialize in absorbing dietary lipids. These lipids are then transported into the lymphatic system for further processing and distribution throughout the body. Choice A (Carbohydrates) is incorrect because carbohydrates are primarily digested and absorbed in the small intestine by enzymes and transported to the liver. Choice C (Proteins) is incorrect because proteins are broken down into amino acids and absorbed in the small intestine, mainly by the villi. Choice D (Nonpolar nutrients) is incorrect as it is a vague term and not specific to what lacteals absorb, which are primarily lipids.
Which of the following is a function of the skeletal system?
- A. To produce red blood cells
- B. To provide structural support
- C. To transport nutrients
- D. To store fat
Correct Answer: B
Rationale: The correct answer is B: To provide structural support. The skeletal system is primarily responsible for supporting the body's structure, protecting internal organs, facilitating movement, and storing minerals. While bones do play a role in producing red blood cells (hematopoiesis) in the bone marrow, the main function related to the question is providing structural support. Choices C and D are incorrect as the skeletal system is not involved in transporting nutrients or storing fat. The main functions of the skeletal system are related to support, protection, movement facilitation, mineral storage, and hematopoiesis.