Which of the choices below describes the forces that act to pull the lungs away from the thorax wall and thus collapse the lungs?
A) the natural tendency for the lungs to recoil and the surface tension of the alveolar fluid
B) compliance and transpulmonary pressures
C) the natural tendency for the lungs to recoil and transpulmonary pressures
D) compliance and the surface tension of the alveolar fluid
A) the natural tendency for the lungs to recoil and the surface tension of the alveolar fluid
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You are sitting on a sunny Florida beach experiencing the sensation of warmth.
Describe the anatomical structures and physiological events that allow you to perceive the warmth of the sun.
Which type of anterior pituitary cell secretes human growth hormone?
a) Thyrotrophs b) Gonadotrophs c) Somatotrophs d) Lactotrophs e) Corticotrophs
Both pancreatic juice and bile are secreted into the duodenum
Indicate whether the statement is true or false
Which of the following statements regarding the vestibular system is TRUE?
A. Deflection of the basilar membrane by fluid moving within the semicircular canals allows us to detect rotational movement of the head. B. The utricle and saccule are mainly responsible for detecting angular rotation of the head. C. The vestibular apparatus is principally involved in our ability to detect and interpret sound. D. Receptors in the utricle and saccule detect changes in the position of the head with respect to gravity. E. Hair cells in the cochlea are involved in the detection of movement and position of the head.