Food is propelled down the esophagus primarily as a result of segmentation contractions of esophageal smooth muscle
Indicate whether the statement is true or false.
FALSE
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Mechanical deformation of the hairs of hair cells in the inner ear always results in depolarization of the hair cell synaptic terminal
Indicate whether the statement is true or false
Which of the following statements concerning the length-tension relationship is incorrect?
a. It refers to the relationship between the length of the muscle before the onset of contraction and the tetanic tension that each contracting fiber can subsequently develop at that length. b. it is based on the amount of overlap of thick and thin filaments. c. it allows no tension development if the whole muscle is stretched to 30% longer than its optimal length. d. within the body, it is limited to a functional range because of limitations on muscle length imposed by attachment to the skeleton. e. none of these answers.
The term for pain associated with deficient blood delivery to the heart that may be caused by the transient spasm of coronary arteries is ________.
angina pectoris ischemia pericarditis myocardial infarct
The fold of skin that covers the glans penis is the
A) ejaculatory duct. B) prepuce. C) corpus cavernosum. D) corpus spongiosum. E) penile urethra.