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Kpanneah Fully
Physiology week 6-12
| Question | Answer |
|---|---|
| Groups of skeletal muscle fibers are bound together by a connective tissue envelope called the: | perimysium. |
| Which of the following statements about the muscles of the thorax is incorrect? | When the diaphragm contracts, it decreases the volume of the thoracic cavity and expels air from the lungs. |
| Nerves that contain mostly afferent fibers are called _____ nerves. | sensory |
| Which of the following is the deepest connective tissue layer of a nerve? | Endoneurium |
| Some parasympathetic postganglionic neurons have their cell bodies in nuclei in the brainstem. | False |
| Small branches from the cervical plexus join which two cranial nerves? | Hypoglossal and accessory |
| The hormone produced by the heart | increases the excretion of sodium in the urine. |
| Which endocrine gland stores enough of its hormone extracellularly to last several months? | the thyroid |
| The term blood type refers to the type of blood cell | antigen. |
| The four structures that compose the conduction system of the heart are the | SA node, AV node, AV bundle, and Purkinje fibers. |
| Renal veins drain blood from the | kidneys |
| The size of lymph nodes varies from _____ mm to more than _____ mm in diameter. | 1; 20 |
| During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
| Which substance can destroy pathogens by lowering the pH to a level at which they cannot function? | Hydrochloric acid |
| Antibodies are proteins of the family called | immunoglobulins. |
| The hollow nasal cavity is separated by a midline partition called the: | septum. |
| Which of the following is true of the intrinsic muscles of the larynx? | They serve in voice production |