A decrease in neurotransmitter release with repeated action potentials is termed _________
Fill in the blank with correct words.
Answer: Synaptic depression
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Smooth muscle is characterized by all of the following except ________.
A) it appears to lack troponin B) there are more thick filaments than thin filaments C) there are no sarcomeres D) there are noncontractile intermediate filaments that attach to dense bodies within the cell
Most thermogenic pathways of futile cycling involve cycling between the hydrolysis and synthesis of
A) Heat shock proteins. B) Fatty acids. C) Glucose-6-phosphate. D) ATP.
The dartos and cremaster muscles are important to the integrity of the male reproductive system. Which of the following is true about the role they play?
A) They regulate the temperature of the testes. B) They contract to allow ejaculation. C) They contract to push sperm along the ductus deferens. D) They are responsible for penile erection.
The forceful expulsion of semen from the urethra caused by contraction of smooth muscle in the urethra and skeletal muscle surrounding the base of the penis is called
A. ejaculation. B. neutralization. C. physiological contracture. D. emission. E. orgasm.