______ the time between signals sent from the same presynaptic terminal increases the strength of the graded potential. This is an example of ______ summation
Fill in the blank(s) with the appropriate word(s).
reducing; temporal
You might also like to view...
Multiple sclerosis (MS) is one of the better known diseases resulting from demyelination of axons (in MS, only CNS axons are affected). Some of the earliest symptoms of the disease are difficulty in focusing the eyes, such as in reading, and difficulty in maintaining balance, and frequently not being able to make adjustments in posture to avoid falling. How do these symptoms "fit" with what you
know about nerve impulses, myelin sheaths, and the location of gated ion channels in the membranes of axons? What will be an ideal response?
Fast muscle fibers can develop a larger number of mitochondria in response to
A) repeated, exhaustive stimulation B) sustained low levels of muscle a activity C) high amounts of oxygen D) increased levels of testosterone E) prolonged periods of inactivity
You examine a tissue slide through the microscope and recognize one layer of cells that are mostly tall and elongated. You determine this tissue to be:
A) simple columnar epithelium. B) stratified columnar epithelium. C) simple cuboidal epithelium. D) simple squamous epithelium.
Prior to immobilizing an anxious patient with a suspected spinal injury on a backboard, it is important to:
A) ask the patient to pull against your hands with his or her feet. B) make note of any neurologic deficits or gross injuries up to that point. C) administer the appropriate dose of a sedative to facilitate patient compliance. D) apply a cervical collar to free up the medic that is holding the patient's head.