2016 anatomy endterm Flashcards
What is the function of melanin?
a- Absorption of radiation
b- Protects against abrasions
c- Cooling of skin
a- Absorption of radiation
Why does cartilage heal slowly following an injury?
a- cartilage cells do not multiply
b- cartilage doesn’t have a blood supply
c- cartilage cells lie in lacunae
b- cartilage doesn’t have a blood supply
Which structure is correctly matched to its embryonic origin?
a- Palatine tonsil – second pouch
b- Palatine tonsil – second arch
a- Palatine tonsil – second pouch
What type of cells are derived from monocytes?
a- Astrocytes
b- Microglia
c- Oligodendrocytes
b- Microglia
What motor nerve supplies the orbicularis oris? a- Maxillary b- Mandibular c- Ophthalmic d- Facial
d- Facial
What best describes the relationship between the different parts of the brain?
a- Cerebrum is caudal to diencephalon
b- Parietal lobe is caudal to occipital lobe
c- Temporal lobe is inferior to parietal lobe
c- Temporal lobe is inferior to parietal lobe
Which fiber carries the information to increase heart rate in a fight-flight situation? a-Somatic afferent b-Somatic efferent c-visceral efferent d-visceral afferent
c-visceral efferent
What system interconnects Haversian system? a- Volkman canal b-Canalculi c- Trabeculae d- Osteon canal
a- Volkman canal
A girl came to the clinic with neck mass deep to the SCM and below the angle of the mandible while holding the mass gently and the skin of the girl to protrude the tongue, the mass did not move. What is the diagnosis?
a- thyroid nodule
b- thyroglossal cyst
c- brachial cyst
c-brachial cyst
What is the function of the parasympathetic system?
a- increased heart rate
b- pupil constriction
b- pupil constriction
What does nissel body represents?
a- mitochondria
b- nucleus
c- rough endoplasmic reticulum
c- rough endoplasmic reticulum
Which nerve lesion paralyzes the superior orbital muscle?
a- Abducent
b- Facial
C- Trochlear
C- Trochlear
What best describes smooth muscle cells?
a- it is branched
b- it is striated
c- spindle shaped cell
c- spindle shaped cell
Which muscle does investing deep cervical fascia enclose?
a- digastric
b-platysma
c- trapezius
c- trapezius
What structure returns cerebrospinal fluid to the venous system?
a- Archanoid villi
b- Choroid plexus
c- Apertures in the 4th ventricle
a- Archanoid villi
What glial cell responsible for Neurotransmitter recycling?
a- microglia
b- astrocyte
b- astrocyte
What is the prime mover muscle in elbow extension?
a- biceps brachii
b- brachialis
c- triceps brachii
c- triceps brachii
What parasympathetic cranial nerve innervates the thoracic viscera?
a- vagus
b- trochlear
c- trigeminal
a- vagus
What surrounds the medullary cavity?
a- spongy bone
b- compact bone
a- spongy bone
Which vessel can be found in posterior to the SCM?
a- EJV
b-AJV
b-IJV
a- EJV
Which one is the function of T-tubules?
a- Contraction
b- Conductivity of electrical signals
b- Conductivity of electrical signals
Which of these cranial nerve has both motor and sensory fibers ?
a- abducent
b- trigeminal
c- optic
b- trigeminal
What are the phagocytic cells in the epidermis ?
a-Merckel
b-Melanocytes
c- Langerhan
c- Langerhan
What forms the epiphyseal growth plate?
a- compact bone
b- hyaline cartilage
c- fibrocartilage
b- hyaline cartilage
The jugular foreman narrows due to abnormal bone growth resulting in difficulty in swelling and voice. Which nerve is affected?
a- vagus nerve
b- optic nerve
c- abducent
a- vagus nerve
an infected woman presents abscess confined to the suprasternal space. between which two layers is the abscess?
a- between pretracheal visceral layer and investing layer
b- between pretracheal muscular layer and the investing layer
b- between pretracheal muscular layer and the investing layer
A man gets injured at the lower part of his neck, he shows shortness in his breath. Which structure was injured?
a- phrenic nerve
b- vagus nerve
c-great auricular
a- phrenic nerve
Which method of bone formation does not include a cartilage template?
a- endochondral
b- intramembranous
b- intramembranous
Presynaptic neurons of sympathetic nerves are located in? a- ventral horn b- dorsal horn c- lateral horn d- dorsal root ganglia
c- lateral horn
