________ pair(s) of salivary glands secrete into the oral cavity
A) One
B) Two
C) Three
D) Four
E) Six to Ten
C
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Cystic fibrosis is a deadly disease that causes mucus secretions in the body to become abnormally thick. The respiratory system struggles to clear out bacteria caught in this mucus because a certain epithelial tissue lining the lungs cannot "sweep" it away, causing frequent infections. This type of epithelium is called ________.
What will be an ideal response?
What is the correct relationship between receptor tyrosine kinases and Ras proteins?
A) Phosphorylated Ras proteins activate the tyrosine kinase. B) Phosphorylated Ras proteins pair with a tyrosine kinase to activate other proteins. C) Tyrosine kinase dimers phosphorylate the Ras proteins directly. D) Tyrosine kinase dimers use GAPs and GNRPs to regulate Ras proteins.
Which of the following is not true of the right vagus nerve?
A) It passes anterior to the right subclavian artery. B) It gives rise to the right recurrent laryngeal nerve. C) It passes posterior to the root of the right lung. D) It gives a branch to the right pulmonary plexus. E) It gives rise to a branch that supplies sensory innervation to the diaphragm.
Which of the following is the first component of the auditory pathway?
A) The axons of the cochlear branch of the vestibulocochlear nerve synapse at the cochlear nucleus of the medulla. B) Hair cell stimulation activates sensory neurons. C) The sensory neuron afferent fibers form the cochlear branch of the vestibulocochlear nerve. D) The sensory neuron cell bodies are in the spinal ganglion. E) None of the answers are correct.