The heartbeat is initiated by the cells of the _______________ node

Fill in the blank with correct word.


sinoatrial    or    
SA

Anatomy & Physiology

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The effect of a neurotransmitter on the muscle cell membrane is to modify its ion permeability properties temporarily

Indicate whether the statement is true or false

Anatomy & Physiology

Of the following muscle types, which has only one nucleus, no sarcomeres, and few gap junctions?

A) skeletal muscle B) multiunit smooth muscle C) cardiac muscle D) visceral smooth muscle

Anatomy & Physiology

Glucagon is produced by pancreatic alpha cells.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

Which type of hepatitis is spread via fecal contamination of objects such as food, clothing, toys, and eating utensils and is characterized by loss of appetite, malaise, nausea, diarrhea, fever, and chills

a) Hepatitis A b) Hepatitis B c) Hepatitis C d) Hepatitis D e) Hepatitis E

Anatomy & Physiology