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Anatomy > Unit 3 Exam > Flashcards

Unit 3 Exam Flashcards

1
Q

What do the sphincter and dilator muscles of the iris have an effect on?

The size of the pupil
The curvature of the retina
The curvature of the cornea
Movement of the eyelids
The shape of the lens

A

The size of the pupil

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2
Q

Along with the pons, which other brain structure collectively forms the metencephalon of the rhombencephalon?

Tectum
Cerebellum
Thalamus
Cerebral peduncle
Medulla oblongata

A

Cerebellum

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3
Q

Fornix, mammillary bodies, cingulate gyrus, and insular lobe are all parts of:

Ventricular system
Cerebrum
Sympathetic trunk
Limbic system
Brainstem

A

Limbic system

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4
Q

This cranial nerve provides general sensation for things like pain and temperature sensation the anterior 2/3 of the tongue:

Glossopharyngeal nerve
Vagus nerve
Facial nerve
Trigeminal nerve
Hypoglossal nerve

A

Trigeminal nerve

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5
Q

Splanchnic nerves may be found:

Between a prevertebral ganglion and an abdominal organ
Between the sympathetic trunk and a prevertebral ganglion
Between the spinal cord and brain
Between the spinal cord and the sympathetic trunk
Between the spinal cord and skeletal muscles of the limbs

A

Between the sympathetic trunk and a prevertebral ganglion

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6
Q

Select the correct order of layers/spaces from most superficial to most deep:

Vertebra, Subarachnoid space, Periosteal Dura mater, Meningeal Dura mater, Epidural space, Pia mater
Vertebra, Epidural space, Periosteal Dura mater, Meningeal Dura mater, Pia mater, Subarachnoid space
Vertebra, Epidural space, Meningeal Dura mater, Periosteal Dura mater, Subarachnoid space, Pia mater
Vertebra, Epidural space, Periosteal Dura mater, Meningeal Dura mater, Subarachnoid space, Pia mater
Vertebra, Meningeal Dura mater, Epidural space, Periosteal Dura mater, Subarachnoid space, Pia mater

A

Vertebra, Epidural space, Periosteal Dura mater, Meningeal Dura mater, Subarachnoid space, Pia mater

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7
Q

Which cranial nerves are most associated with the midbrain?

Facial and Vestibulocochlear
Trigeminal and Abducens !
Oculomotor and Trochlear
Olfactory and Optic
Vagus and Accessory

A

Oculomotor and Trochlear

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8
Q

This type of lingual papillae do not function as taste papillae but rather have a tactile function:

Foliate papillae
Filiform papillae
Fungiform papillae
Vallate papillae

A

Filiform papillae

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9
Q

The white matter nerve fibers that connect between the left and right cerebral hemispheres are of which type?

Meningeal fibers
Brodmann fibers
Commissural fibers
Association fibers
Projection fibers

A

Commissural fibers

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10
Q

Epithelium associated with which sense consists of bipolar neurons, basal cells, supporting cells as well as mucus-producing bowman’s glands?

Olfaction
Audition
Gustation
Equilibrium
Vision

A

Olfaction

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11
Q

Tentorium cerebelli is best described as being located between:

Left and Right frontal lobes
Frontal lobe and Parietal lobe
Cerebellum and Brainstem
Occipital lobe and Cerebellum
Frontal lobe and Temporal lobe

A

Occipital lobe and Cerebellum

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12
Q

Which muscles are innervated by the musculocutaneous nerve?

Flexor digitorum superficialis, Pronator teres,
Triceps brachii, Brachioradialis
Rhomboid major, Rhomboid minor
Biceps brachii, Brachialis
Deltoid, Teres minor

A

Biceps brachii, Brachialis

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13
Q

Vestibular apparatus of the internal ear includes:

Semicircular canals, Utricle, and Saccule
Tensor tympani, Malleus, Tympanic membrane
Malleus, Incus, and Stapes
Cochlea, Oval window, Round window
Auricle, External acoustic meatus, Tympanic membrane

A

Semicircular canals, Utricle, and Saccule

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14
Q

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?

Dorsal root ganglion
Sympathetic chain ganglion
Ventral gray horn
Lateral funiculus
Trigeminal ganglion

A

Dorsal root ganglion

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15
Q

Select the correct path of CSF flow:

Lateral ventricle, Cerebral aqueduct, Third ventricle, Interventricular foramen, Fourth ventricle

Third ventricle, Interventricular foramen, Lateral ventricle, Cerebral aqueduct, Fourth ventricle

Lateral ventricle, Interventricular foramen, Third ventricle, Cerebral aqueduct, Fourth ventricle

Fourth ventricle, Interventricular foramen, Third ventricle, Cerebral aqueduct, Lateral ventricle

Lateral ventricle, Cerebral aqueduct, Third ventricle, Interventricular foramen, Fourth ventricle

A

Lateral ventricle, Interventricular foramen, Third ventricle, Cerebral aqueduct, Fourth ventricle

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16
Q

For safety reasons a spinal tap procedure is often preferred to be carried out at which vertebral level?

C7
T1
L4
T12

A

L4

17
Q

The brachial plexus is associated with which spinal nerve anterior/ventral rami?

C1-C4
C3-C5
L1-L5
L4-S4
C5-T1

A

C5-T1

18
Q

Where does decussation of the pyramids occur?

Between pons and cerebellum
Between spinal cord and medulla oblongata
Between cerebrum and cerebellum
Between colliculi of the tectum
Between thalamus and hypothalamus

A

Between spinal cord and medulla oblongata

19
Q

Denticulate ligaments and filum terminale are extensions of which meningeal layer?

Dura mater, meningeal layer
Pia mater
Epineurium
Dura mater, periosteal layer
Arachnoid mater

A

Pia mater

20
Q

Which receptors primarily detect stimuli pertaining to body position?

Proprioceptors
Mechanoreceptors
Baroreceptors
Nociceptors
Chemoreceptors

A

Proprioceptors

21
Q

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?

Sympathetic division
Sensory division
Parasympathetic division
Somatic division

A

Sympathetic division

22
Q

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)?

Glossopharyngeal nerve
Trigeminal nerve
Vagus nerve
Facial nerve
Oculomotor nerve

A

Facial nerve

23
Q

What can cause the medial border of the scapula to stick out posteriorly as in the case of a winged scapula?

Injury to the medial pectoral nerve affecting the pectoralis minor
Injury to the long thoracic nerve affecting the serratus anterior muscle
Injury to the dorsal scapular nerve affecting the rhomboid major muscle
Injury to the radial nerve affecting the triceps brachii muscle

A

Injury to the long thoracic nerve affecting the serratus anterior muscle

24
Q

Which type of nerve cell detects stimuli associated with blood vessel wall stretch and digestive organ distension?

Somatic motor neuron
Visceral sensory neuron
Ganglionic autonomic motor neuron
Visceral motor neuron
Somatic sensory neuron

A

Visceral sensory neuron

25
Q

Which superficial nerve of the cervical plexus provides sensory innervation for the skin over the parotid gland and external ear?

Transverse cervical nerve
Great auricular nerve
Ansa cervicalis nerve
Phrenic nerve
Supraclavicular nerve

A

Great auricular nerve

26
Q

Which type of Central Nervous System glial cell is associated with the choroid plexus of the ventricles and lines the central canal?

Schwann cells
Ependymal cells
Microglia
Astrocytes
Oligodendeocytes

A

Ependymal cells

27
Q

Which is the correct order of steps in a generalised reflex arc neural circuit?

Sensory receptor, Sensory neuron, Motor neuron, Interneuron, Effector organ
Sensory receptor, Interneuron, Sensory neuron, Motor neuron, Effector organ
Sensory receptor, Sensory neuron, Interneuron, Motor neuron, Effector organ
Sensory neuron, Sensory receptor, Interneuron, Motor neuron, Effector organ
Sensory receptor, Motor neuron, Interneuron, Sensory neuron, Effector organ

A

Sensory receptor, Sensory neuron, Interneuron, Motor neuron, Effector organ

28
Q

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?

Sensory
Sympathetic
Parasympathetic
Somatic

A

Parasympathetic

29
Q

Which ion enters the synaptic knob of a chemical synapse and triggers the release of a neurotransmitter such as acetylcholine?

Magnesium
Sodium
Oxygen
Calcium
Iron

A

Calcium

30
Q

Which ganglion is formed by the combination of the inferior cervical ganglion and the first thoracic ganglion?

Hypogastric ganglion
Celiac ganglion
Inferior mesenteric ganglion
Stellate ganglion
Superior mesenteric ganglion

A

Stellate ganglion

31
Q

Through which exit do the oculomotor nerve, trochlear nerve, trigeminal nerve (opthalmic division), and abducens nerve pass?

Foramen magnum
Foramen ovale
Internal Acoustic Meatus
Jugular foramen
Superior Orbital Fissure

A

Superior Orbital Fissure

Anatomy (21 decks)

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