CPAP is NOT appropriate for patients with:
A) acute or chronic bronchospasm.
B) slow, shallow respiratory effort.
C) an oxygen saturation less than 90%.
D) evidence of congestive heart failure.
Answer: B) slow, shallow respiratory effort.
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In single-unit smooth muscle, ________.
A. cells display pacemaker activity B. all cells receive direct autonomic stimulation C. cells do not respond to stretch D. norepinephrine binds to muscarinic receptors and closes K+ channels
________ provide information about the external environment
A) Proprioceptors B) Interoceptors C) Exteroceptors D) Somatic sensory receptors E) Interneurons
Which type of innervation causes pupil dilation?
A. Parasympathetic B. Sympathetic
What muscle is responsible for contraction of the urinary bladder during micturition?
A. trigone B. internal urinary sphincter C. micturition mucle D. detrusor muscle