What is the relationship between buffers and pH in physiological systems?
What will be an ideal response?
Buffers stabilize body pH by removing or replacing hydrogen ions. The pH of various body fluids must remain relatively constant if the body is to maintain homeostasis and remain healthy.
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The artery that bifurcates into the right subclavian artery and the right common carotid artery is the
A. brachiocephalic artery. B. right common iliac artery. C. right brachial artery. D. right coronary artery. E. superior vena cava.
Which of the following is not true of the right vagus nerve?
A) It passes anterior to the right subclavian artery. B) It gives rise to the right recurrent laryngeal nerve. C) It passes posterior to the root of the right lung. D) It gives a branch to the right pulmonary plexus. E) It gives rise to a branch that supplies sensory innervation to the diaphragm.
A nucleus is defined as a collection of neuron cell bodies located within the PNS.
Answer the following statement true (T) or false (F)
What trait facilitates the trachea performing its function?
A) Smooth muscle to create the vocal fold B) Cilia to sweep out trapped debris and mucus C) Thin, flat epithelium for diffusion D) Stratified squamous epithelium to resist abrasion