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Sci 220
Wk 6-12
Question | Answer |
---|---|
A muscle is attached to the femur and tibia. Its function or action is to bend the knee. When it contracts, it is acting as the: | prime mover. |
A muscle that assists with mastication is the: | masseter. |
The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the: | somatic nervous system. |
Neurons in the CNS have less chance of regenerating for all of the following reasons except: | microglia lay down scar tissue. |
Multipolar neurons have: | multiple dendrites and one axon. |
The afferent pathways of the autonomic nervous system: | carry feedback information to integrating centers in the brain. |
Which of the following cranial nerves is responsible for movements of the tongue? | Hypoglossal |
Which of the following might occur from the stimulation of parasympathetic fibers? | Increased peristalsis in the digestive tract |
Effectors that have single innervation by the autonomic nervous system are innervated only by the parasympathetic division. | False |
Cerebrospinal fluid is found in all of the following except the: | subdural space. |
Gustatory cells are located in all of the following areas except | on the apical surface of vallate papillae on the tongue. |
The hormone produced by the heart | increases the excretion of sodium in the urine. |
A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin. |
The heart has its own special covering, a loose-fitting inextensible sac called the | pericardium. |
The bulk of the heart wall is the thick, contractile middle layer called the | myocardium. |
The anatomical division of the pharynx that is located behind the mouth from the soft palate above to the level of the hyoid bone below is called the: | oropharynx. |
The small openings in the cribriform plate function to: | allow branches of the olfactory nerve to enter the cranial cavity and reach the brain. |
The small, leaf-shaped cartilage behind the tongue and hyoid bone is the: | epiglottis. |
The largest of the paranasal sinuses is the: | maxillary |
Which of the following does not distribute air? | Alveolus |