Nicotinic receptors utilize G-proteins to regulate the opening of ion channels.
Answer the following statement true (T) or false (F)
False
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Fibroblasts cause tissue to regenerate.
Answer the following statement true (T) or false (F)
After taking their wedding vows, a bride and groom often ceremonially use which of the following muscles before walking away from the altar?
A. Depressor anguli oris B. Orbicularis oris C. Levator labii superioris D. Platysma E. Quadriceps femoris
A cat presents to a clinic with difficulty breathing, lethargy, and cyanosis. The veterinarian auscultated the thoracic cavity and politely asked to have a radiograph taken of the thorax. Dx: pleural effusion. A thoracocentesis was performed and 300 cc of fluid was aspirated. Rx: Bronchodilator BID. Cyanosis is:
A) liver disease in which the liver becomes small and brown B) whitening of the mucous membranes due to anemia C) yellowing of the mucous membranes due to liver disease D) blue discoloration of the skin and mucous membranes due to insufficient oxygen E) reddening of the mucous membranes due to excessive carbon dioxide levels
When the sciatic nerve was chilled with iced Ringer's solution, ________
A) the compound action potential was unchanged B) it became very excitable, generating large compound action potentials to small stimuli C) it became inexcitable or required a stimulus much greater than normal to produce a compound action potential