Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
Nonspecific immunity includes mucus, tears and saliva that contain
This question is an excerpt from Nurse Dive's nursing test bank - Ati Pn Custom Anatomy Quiz Proctored Exam#6 Days 24. Take the full exam now
Full Explanation
Choice A rationale:
Viruses are pathogens that the immune system defends against, not components of nonspecific immunity.
Choice B rationale:
Lysozyme is an enzyme found in mucus, tears, and saliva that destroys bacteria, contributing to nonspecific immunity.
Choice C rationale:
Lysol is a brand of cleaning products and is not found in mucus, tears, or saliva.
Choice D rationale:
Immunoglobulins are antibodies produced by the immune system, not components of mucus, tears, or saliva.
Similar Questions
What is the purpose of cilia in the airways?.
A. To propel air into the lungs.
hoice A rationale: Cilia do not propel air into the lungs, they are involved in moving mucus and trapped particles.
B. To trap food and prevent entry into the windpipe.
Cilia do not trap food or prevent its entry into the windpipe. This is the role of the epiglottis, not cilia.
C. To propel trapped debris upward to be expelled by the body.
Cilia in the airways help to propel trapped debris and mucus upward to be expelled by the body.
D. For olfaction.
Cilia do not have a role in olfaction or the sense of smell.
Full Explanation
hoice A rationale:
Cilia do not propel air into the lungs, they are involved in moving mucus and trapped particles.
Choice B rationale:
Cilia do not trap food or prevent its entry into the windpipe. This is the role of the epiglottis, not cilia.
Choice C rationale:
Cilia in the airways help to propel trapped debris and mucus upward to be expelled by the body.
Choice D rationale:
Cilia do not have a role in olfaction or the sense of smell.
Which of the following tissues connects muscles to bones?.
A. Nerves.
Nerves are responsible for transmitting signals between different parts of the body, not for connecting muscles to bones.
B. Ligaments.
Ligaments connect bone to bone at a joint, not muscle to bone.
C. Tendons.
Tendons are the connective tissue that attaches muscle to bone.
D. Cartilage.
Cartilage is a flexible connective tissue found in various parts of the body, but it does not connect muscles to bones.
Full Explanation
The correct answer is Choice C.
Choice A rationale:
Nerves are responsible for transmitting signals between different parts of the body, not for connecting muscles to bones.
Choice B rationale:
Ligaments connect bone to bone at a joint, not muscle to bone.
Choice C rationale:
Tendons are the connective tissue that attaches muscle to bone.
Choice D rationale:
Cartilage is a flexible connective tissue found in various parts of the body, but it does not connect muscles to bones.
Where does gas exchange occur?.
A. The alveoli.
B. The bronchioles.
The bronchioles are part of the airway that leads to the alveoli, but gas exchange does not occur here.
C. The bronchus.
The bronchus is a larger airway that leads to the bronchioles and then to the alveoli, but gas exchange does not occur here.
D. The lungs.
While the lungs contain the alveoli where gas exchange occurs, saying that gas exchange occurs in the lungs is not as precise as saying it occurs in the alveoli.
Full Explanation
Choice B rationale:
The bronchioles are part of the airway that leads to the alveoli, but gas exchange does not occur here.
Choice C rationale:
The bronchus is a larger airway that leads to the bronchioles and then to the alveoli, but gas exchange does not occur here.
Choice D rationale:
While the lungs contain the alveoli where gas exchange occurs, saying that gas exchange occurs in the lungs is not as precise as saying it occurs in the alveoli.