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