Which of the following events occurs during expiration?
a. diaphragm moves upward
b. thoracic volume increases
c. external intercostal muscles contract
d. ribs are elevated
e. phrenic nerve is inactive
A
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When cells are arranged in a scalelike or flat arrangement, they are referred to as ________.
A. squamous B. cuboidal C. columnar D. transitional
Which of the following statements regarding the brain areas that direct emotion is not true?
A. The cerebral cortex is responsible for control over emotions. B. The hypothalamus is the site of the conscious feeling of emotion. C. The limbic system delivers information about emotion from the cerebral cortex to the hypothalamus. D. The hypothalamus integrates emotional behaviors. E. None of the choices are true.
The ________ is essentially a group of interneurons that run from the motor cortex to the spinal cord.
Fill in the blank(s) with the appropriate word(s).
Proteolytic enzymes secreted from the pancreas are activated
A. once they reach the large intestine. B. once they reach the pancreatic duct. C. within the lumen of the small intestine. D. in secretory vesicles within pancreatic secretory cells.