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Lila G
Anatomy 7-13
Question | Answer |
---|---|
The first event to occur when an adequate stimulus is applied to a neuron is | some of the sodium channels at the point of stimulation open. |
A synaptic knob would be located on a(n) | axon |
During a relative refractory period: | the action potential can be initiated with a strong stimulus |
Which is the only plexus that contains fibers from the thoracic region of the spinal cord? | Brachial |
Damage to the _____ nerve could make the diaphragm unable to function | phrenic |
Normal infants will show the Babinski reflex up to the age of ____ years. | 1.5-2 |
The production of the thyroid hormone is stimulated by another hormone from the | anterior pituitary gland |
The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is | malleus, incus, and stapes |
One of the few hormones that functions on a positive-feedback loop is | oxytocin |
The term "blood type" refers to the type of blood cell | antigen |
____ is used to determine the volume percentage of red blood cells in whole blood. | Hematocrit |
Which division of the autonomic nervous system sends fibers to the heart? | sympathetic and parasympathetic |
Antibodies are proteins of the family called | immunoglobulins |
What is the function of the spleen? | tissue repair, hematopoiesis, red blood cell and platelet destruction, blood reservoir |
The primary organ of the lymphatic system is the | thymus |
An obstructive lung disorder that is characterized by recurring spasms of the smooth muscles in the wall of the bronchial air passage is | asthma |
The volume of air exhaled normally after a typical inspiration is called ____ volume | tidal |
The exact amount of oxygen in blood depends mainly on the amount of | hemoglobin |
Chemical digestion requires the secretion of _____into the lumen of the GI tract. | digestive enzymes and bile |
Peristalsis is regulated in part by the intrinsic stretch reflexes. It is also thought to be stimulated by the hormone | cholecystokinin (CCK) |
The process of fat emulsification consists of | breaking fats into small droplets |