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Jessierene Overstree
Human Anatomy Study Stack Week 6-12
| Question | Answer |
|---|---|
| The posterior arm muscle that extends the forearm is the: | Triceps brachii |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name? | Flexor |
| Which of the following body systems assists the muscles in maintaining posture? | Digestive, Endocrine, Excretory |
| Skeletal muscles constitute approximately ____ of our body weight. | 50% |
| The most common type of lever in the body is a _____-class lever. | third |
| Interneurons reside in the: | CNS only |
| Along a neuron, the correct pathway for impulse conduction is: | dendrite, cell body, and axon |
| A neuron that has only one axon but several dendrites is classified as a _____ neuron. | multipolar |
| Gray matter in the brain and spinal cord consists primarily of: | cell bodies |
| Dendrites conduct impulses _____ cell bodies. | toward |
| Fascicles are held together by a connective tissue layer called the: | perineurium |
| Small distinct region of gray matter in the CNS are called: | nuclei |
| A neuron that transmits a nerve impulse toward the central nervous system is called a(n): | sensory neuron |
| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. | sympathetic and parasympathetic |
| The pyramids are formed in the: | medulla |
| The nerve commonly called the vagus nerve is the _____ cranial. | tenth |
| The phrenic nerve is found in the _____ plexus. | cervical |
| Which of the following is a branch of the trigeminal nerve? | Opthalmic nerve, maxillary nerve, and mandibular nerve. |
| Beta receptors: | bind norepinephrine |
| Endolymph-filled structure containing receptors for hearing. | cochlear duct |
| Bony labyrinth structure containing the utricle and saccule. | vestibule |
| Transparent structure of the eye containing regularly aligned collagen fibers. | comea |
| Fluid filling the posterior segment of the eye. | vitreous humor |
| Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
| Endocrine gland of the thorax that is also important in immune function. | thymus gland |
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