According to the Frank-Starling law, a bigger preload will result in __________.
What will be an ideal response?
a stronger contraction
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The stimulus from motor neuron to neuromuscular junction is ________, and the stimulus from axon terminal to muscle sarcolemma is ________
A) chemical, chemical B) electrical, chemical C) electrical, electrical D) chemical, electrical
The elasticity of the lens decreases with age. This leads to which of the following?
A) less light getting to the retina and diminished visual acuity B) lowered accommodation of the pupillary reflex and blurry vision C) a clouding of the lenses know as a cataract D) less accommodation of the lenses and difficulty focusing on nearby objects
Which of the following is NOT a function of smooth muscle?
A. Causing "goose bumps" in response to cold temperature or fear B. Changing the size of the pupil when the lighting conditions change C. Peristalsis in visceral organs such as the small intestine and ureters D. Pumping of the blood through the heart E. Causing the movements associated with airflow
Identify the bone containing the carotid canal, and name the structure that runs through this passageway
A) sphenoid bone; internal carotid artery B) sphenoid bone; external carotid vein C) temporal bone; internal carotid artery D) temporal bone; external carotid artery E) occipital bone; internal carotid vein