Complement proteins:
All of the answers are correct
Attract phagocytes
Promote inflammation
Destroy cells
The Correct Answer is A
A. All of the answers are correct — Complement proteins are part of the immune system and contribute to defense in multiple ways:
B. They attract phagocytes to the site of infection through chemotaxis, enhancing the immune response.
C. They promote inflammation by increasing vascular permeability and attracting immune cells.
D. They can destroy cells by forming the membrane attack complex (MAC), which creates pores in the membranes of pathogens, leading to cell lysis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Pharyngeal tonsils (also called adenoids) are located in the nasopharynx, not at the back of the tongue.
B. Palatine tonsils are located on either side of the back of the throat, not at the back of the tongue.
C. Lingual tonsils are small mounds of lymphoid tissue located at the base of the tongue, and they help protect the body from pathogens entering through the oral cavity.
D. Adenoids are another term for the pharyngeal tonsils, which are located in the nasopharynx, not at the back of the tongue.
Correct Answer is A
Explanation
A. Chyle is a milky fluid formed by the combination of fat globules and lymph. It is absorbed by lacteals (specialized lymphatic vessels) in the small intestine and transports dietary fats to the lymphatic system.
B. Plasma is the liquid component of blood, not a mixture of fat and lymph.
C. Lymph is the clear fluid that circulates in the lymphatic system, but it is not specifically mixed with fats like chyle.
D. Lacteal refers to the lymphatic vessels in the small intestine that absorb fats, but it is not the name of the fluid itself. The fluid is called chyle.
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