Action potentials can be conducted into the muscle along invaginations of the sarcolemma, or __________
A) Sarcoplasmic reticulum
B) T-tubules
C) Terminal cisternae
D) Sarcotubes
Fill in the blank with the correct answer.
Answer: B
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Which of the following is the forerunner of the gastrointestinal tract?
a) primitive gut b) foregut c) midgut d) hindgut e) endoderm
The type of movements where one linear part of the body bends relative to another part would be ________ movements.
A. gliding B. circular C. angular D. linear
The bending of the stereocilia of the organ of Corti opens membrane channels that are permeable to mainly ________, which causes depolarization.
A. Ca2+ B. Na+ C. K+ D. All of the choices are correct.
Match the disorder with its description.Sciatica
A. Loss of sensation B. Pain radiating down the back of the thigh and leg C. Stiffness in the neck and headache D. Inflammation of a nerve E. Pain along a nerve tract