Unit 3 Exam Flashcards
Along with the pons, which other brain structure collectively forms the metencephalon of the rhombencephalon?
A) Cerebellum
B) Thalamus
C) Cerebral peduncle
D) Medulla oblongata
A) Cerebellum
This cranial nerve provides general sensation for things like pain and temperature sensation the anterior 2/3 of the tongue:
A) Hypoglossal nerve
B) Glossopharyngeal nerve
C) Facial nerve
D) Trigeminal nerve
D) Trigeminal nerve
Splanchnic nerves may be found:
A) Between the spinal cord and the sympathetic trunk
B) Between the spinal cord and brain
C) Between the spinal cord and skeletal muscles of the limbs
D) Between the sympathetic trunk and a prevertebral ganglion
D) Between the sympathetic trunk and a prevertebral ganglion
Epithelium associated with which sense consists of bipolar neurons, basal cells, supporting cells as well as mucus-producing bowman’s glands?
A) Olfaction
B) Gustation
C) Audition
D) Vision
A) Olfaction
This type of lingual papillae do not function as taste papillae but rather have a tactile function:
A) Filiform papillae
B) Foliate papillae
C) Fungiform papillae
D) Vallate papillae
A) Filiform papillae
Select the correct order of layers/spaces from most superficial to most deep:
A) Vertebra, Epidural space, Periosteal Dura mater, Meningeal Dura mater, Subarachnoid space, Pia mater
B) Vertebra, Meningeal Dura mater, Epidural space, Periosteal Dura mater, Subarachnoid space, Pia mater
C) Vertebra, Subarachnoid space, Periosteal Dura mater, Meningeal Dura mater, Epidural space, Pia mater
D) Vertebra, Epidural space, Meningeal Dura mater, Periosteal Dura mater, Subarachnoid space, Pia mater
A) Vertebra, Epidural space, Periosteal Dura mater, Meningeal Dura mater, Subarachnoid space, Pia mater
Which cranial nerves are most associated with the midbrain?
A) Olfactory and Optic
B) Oculomotor and Trochlear
C) Vagus and Accessory
D) Facial and Vestibulocochlear
B) Oculomotor and Trochlear
What do the sphincter and dilator muscles of the iris have an effect on?
A) The curvature of the retina
B) The shape of the lens
C) The size of the pupil
D) The curvature of the cornea
C) The size of the pupil
The white matter nerve fibers that connect between the left and right cerebral hemispheres are of which type?
A) Commissural fibers
B) Projection fibers
C) Brodmann fibers
D) Association fibers
A) Commissural fibers
Fornix, mammillary bodies, cingulate gyrus, and insular lobe are all parts of:
A) Cerebrum
B) Brainstem
C) Ventricular system
D) Limbic system
D) Limbic system
After a primary infection with chickenpox where can the herpes virus lie dormant to potentially later reappear later in life as shingles along one or two adjacent dermatomes?
A) Trigeminal ganglion
B) Sympathetic chain ganglion
C) Dorsal root ganglion
D) Ventral gray horn
C) Dorsal root ganglion
Denticulate ligaments and filum terminale are extensions of which meningeal layer?
A) Dura mater, meningeal layer
B) Arachnoid mater
C) Dura mater, periosteal layer
D) Pia mater
D) Pia mater
Tentorium cerebelli is best described as being located between:
A) Frontal lobe and Temporal lobe
B) Occipital lobe and Cerebellum
C) Cerebellum and Brainstem
D) Frontal lobe and Parietal lobe
B) Occipital lobe and Cerebellum
Where does decussation of the pyramids occur?
A) Between thalamus and hypothalamus
B) Between pons and cerebellum
C) Between colliculi of the tectum
D) Between spinal cord and medulla oblongata
D) Between spinal cord and medulla oblongata
Which receptors primarily detect stimuli pertaining to body position?
A) Mechanoreceptors
B) Proprioceptors
C) Nociceptors
D) Baroreceptors
B) Proprioceptors
Select the correct path of CSF flow:
A) Fourth ventricle, Interventricular foramen, Third ventricle, Cerebral aqueduct, Lateral ventricle
B) Lateral ventricle, Interventricular foramen, Third ventricle, Cerebral aqueduct, Fourth ventricle
C) Lateral ventricle, Cerebral aqueduct, Third ventricle, Interventricular foramen, Fourth ventricle
D) Third ventricle, Interventricular foramen, Lateral ventricle, Cerebral aqueduct, Fourth ventricle
B) Lateral ventricle, Interventricular foramen, Third ventricle, Cerebral aqueduct, Fourth ventricle
The brachial plexus is associated with which spinal nerve anterior/ventral rami?
A) C5-T1
B) L4-S4
C) L1-L5
D) C1-C4
A) C5-T1
Which muscles are innervated by the musculocutaneous nerve?
A) Flexor digitorum superficialis, Pronator teres,
B) Biceps brachii, Brachialis
C) Deltoid, Teres minor
D) Triceps brachii, Brachioradialis
B) Biceps brachii, Brachialis
For safety reasons a spinal tap procedure is often preferred to be carried out at which vertebral level?
A) T12
B) L4
C) C7
D) T1
B) L4
Vestibular apparatus of the internal ear includes:
A) Cochlea, Oval window, Round window
B) Semicircular canals, Utricle, and Saccule
C) Auricle, External acoustic meatus, Tympanic membrane
D) Malleus, Incus, and Stapes
B) Semicircular canals, Utricle, and Saccule
Which cranial nerve is associated with both the pterygopalatine ganglion (for innervation of lacrimal glands and small glands of nose, mouth, and palate) and the submandibular ganglion (for innervation of submandibular and sublingual salivary glands)?
A) Glossopharyngeal nerve
B) Facial nerve
C) Oculomotor nerve
D) Vagus nerve
B) Facial nerve
Which division of the autonomic nervous system has long preganglionic axons and short postganglionic axons, has few branches, and has ganglia that are located close to an effector organ?
A) Parasympathetic
B) Sympathetic
C) Somatic
D) Sensory
A) Parasympathetic
Which is the correct order of steps in a generalised reflex arc neural circuit?
A) Sensory neuron, Sensory receptor, Interneuron, Motor neuron, Effector organ
B) Sensory receptor, Interneuron, Sensory neuron, Motor neuron, Effector organ
C) Sensory receptor, Sensory neuron, Motor neuron, Interneuron, Effector organ
D) Sensory receptor, Sensory neuron, Interneuron, Motor neuron, Effector organ
D) Sensory receptor, Sensory neuron, Interneuron, Motor neuron, Effector organ
Which type of Central Nervous System glial cell is associated with the choroid plexus of the ventricles and lines the central canal?
A) Schwann cells
B) Ependymal cells
C) Microglia
D) Astrocytes
B) Ependymal cells
Which ion enters the synaptic knob of a chemical synapse and triggers the release of a neurotransmitter such as acetylcholine?
A) Oxygen
B) Calcium
C) Sodium
D) Magnesium
B) Calcium
What can cause the medial border of the scapula to stick out posteriorly as in the case of a winged scapula?
A) Injury to the long thoracic nerve affecting the serratus anterior muscle
B) Injury to the medial pectoral nerve affecting the pectoralis minor
C) Injury to the radial nerve affecting the triceps brachii muscle
D) Injury to the dorsal scapular nerve affecting the rhomboid major muscle
A) Injury to the long thoracic nerve affecting the serratus anterior muscle.
Which ganglion is formed by the combination of the inferior cervical ganglion and the first thoracic ganglion?
A) Celiac ganglion
B) Superior mesenteric ganglion
C) Hypogastric ganglion
D) Stellate ganglion
D) Stellate ganglion
Which division of the nervous system is also called the thoracolumbar division because preganglionic neuron cell bodies are housed in lateral horns of T1 through L2 spinal segments?
A) Sympathetic division
B) Somatic division
C) Sensory division
D) Parasympathetic division
A) Sympathetic division
Which type of nerve cell detects stimuli associated with blood vessel wall stretch and digestive organ distension?
A) Visceral motor neuron
B) Visceral sensory neuron
C) Ganglionic autonomic motor neuron
D) Somatic sensory neuron
B) Visceral sensory neuron
Which superficial nerve of the cervical plexus provides sensory innervation for the skin over the parotid gland and external ear?
A) Supraclavicular nerve
B) Great auricular nerve
C) Ansa cervicalis nerve
D) Transverse cervical nerve
B) Great auricular nerve
Location of primary motor cortex and the motor speech area
Frontal Lobe of Cerebrum
Location of primary gustatory cortex and involved with emotion and empathy
Insular Lobe of Cerebrum
Partially forms posterior roof of diencephalon, covers third ventricle, and includes the pineal gland
Epithalamus
Through which exit do the oculomotor nerve, trochlear nerve, trigeminal nerve (opthalmic division), and abducens nerve pass?
A) Internal Acoustic Meatus
B) Foramen ovale
C) Foramen magnum
D) Superior Orbital Fissure
E) Jugular foramen
D) Superior Orbital Fissure
Match the muscles to the plexuses that give rise to the nerves that motor innervate them:
Brachial plexus
Levator Scapulae
Match the muscles to the plexuses that give rise to the nerves that motor innervate them:
Cervical plexus
Anterior Scalene
Match the muscles to the plexuses that give rise to the nerves that motor innervate them:
Lumbar plexus
Rectus Femoris
Match the muscles to the plexuses that give rise to the nerves that motor innervate them:
Sacral plexus
Gluteus Medius
