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Weeks 6-12
Anatomy second quarter
Question | Answer |
---|---|
Which letter indicates epithelial tactile complexes (Merkel discs), light pressure receptors found in the epidermis? | A |
Which letter indicates the cardiac plexus? | B |
Which letter indicates the celiac ganglion and plexus? | C |
Which letter indicates the left vagus nerve? | A |
Which letter indicates an area that is characterized by huge neurons known as pyramidal cells? | B |
The three divisions of the brain that make up the brainstem are the | medulla oblongata, midbrain, and pons. |
Formation of the cerebrospinal fluid occurs in the | choroid plexus |
Which letter indicates the aortic plexus? | D |
How many pairs of spinal nerves are connected to the spinal cord? | 31 |
The lower end of the spinal cord, with its attached spinal nerve roots, gives the appearance of a horse’s tail called the | cauda equina |
The ventral rami of most spinal nerves subdivide to form complex networks called | plexuses |
The large fluid-filled spaces within the brain are called the | ventricles |
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the | gray matter of the thoracic and upper lumbar segments of the spinal cord. |
Which letter indicates a bulbous corpuscle (Ruffini ending) that slowly adapts to deep pressure stimuli? | E |
If you trace the axon inside the sympathetic chain ganglion, the preganglionic fiber branches along which pathway? | all of the above |
Which letter indicates the pelvic sympathetic trunk? | E |
Which letter indicates the cranial nerve that has motor fibers that innervate muscles of facial expression? | D |
Which letter indicates a choroid plexus, which produces cerebrospinal fluid (CSF) in all four ventricles of the brain? | C |
Individual nerves that emerge from the _____ plexus innervate the lower part of the shoulder and the entire arm. | brachial |
The two efferent divisions of the autonomic nervous system are the | sympathetic and parasympathetic divisions. |
Which letter indicates a lamellar corpuscle (Pacinian corpuscle) that rapidly adapts to deep pressure stimuli? | D |
Which letter indicates the primary somatosensory cortex? | C |
A subdivision of the nervous system that regulates involuntary effectors is the _____ nervous system. | autonomic |
The dorsal root of each spinal nerve is easily recognized as a swelling called the | dorsal root ganglion |
The inner protective covering of the brain is called the | meninges |
Which letter indicates the medulla oblongata, the functional neural connection between the pons and the spinal cord? | E |
Which letter indicates the corpora quadrigemina, meaning "four bodies"? | D |
Which letter indicates the corpus callosum, which is an area of white matter where axons from one cerebral hemisphere cross the midline to the opposite hemisphere? | B |
Which letter indicates the region of the brain that has the greatest surface area due to the numerous surface convolutions? | A |
Which letter indicates the cranial nerve that transmits olfactory impulses? | A |
Which letter indicates receptors that respond chiefly to pain and temperature? | C |
Which letter indicates the cranial nerve that has three major branches? | C |
The enteric nervous system is made up of a complex network of nerve plexuses that control the visceral effectors in the | intestinal wall |
Which letter indicates the cranial nerve with nerve fibers that pass through the hypoglossal canal? | E |
Which letter indicates Wernicke's area, which is important for understanding spoken words? | D |
Which letter indicates the structure where cranial nerve fibers from the retina cross to the opposite side of the brain? | B |
Which letter indicates the primary visual cortex, which receives information from neurons in the retina of the eye? | E |
Which letter indicates a tactile corpuscle (Meissner's corpuscle) that is responsive to light pressure? | B |
Which letter indicates Broca's area, which controls the motor movements necessary for speaking? | A |
Spinal cord tracts provide conduction paths to and from the brain. The tracts that conduct sensory impulses down the cord from the brain are called _____ tracts. | descending. |