Where is the ventral respiratory group located?
In the lungs
In the pons
In the midbrain
In the medulla oblongata
The Correct Answer is D
A. In the lungs -Control centers are in the brainstem, not lungs.
B. In the pons -The pons houses the pneumotaxic and apneustic centers.
C. In the midbrain -The midbrain controls reflexes, not primary breathing rhythm.
D. In the medulla oblongata -The VRG in the medulla generates the basic breathing rhythm.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"dropdown-group-1":"A"}
Explanation
Correct answer: Tricuspid valve
The X marks the tricuspid valve, the atrioventricular valve between the right atrium and right ventricle composed of three cusps.
Correct Answer is B
Explanation
A. Precipitation: precipitation refers to antigen–antibody complexes forming an insoluble precipitate from soluble antigens, not clumping of whole cells.
B. Agglutination: agglutination is the clumping of cells (like RBCs) when antibodies bind surface antigens, which is what happens in an incompatible transfusion.
C. Chemotaxis: chemotaxis is directed movement of leukocytes toward chemical signals, not antibody-mediated clumping.
D. Opsonization: opsonization is coating a pathogen or cell with molecules (e.g., antibodies, complement) to enhance phagocytosis, not the visible clumping seen in agglutination.
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