Prefinals Examination (2019) Flashcards
Which cell is a also called a septal cell?
Type II pneumocyte
Which cell is a respiratory macrophage?
Dust cell
What type of tissue makes up the epiglottis?
Elastic cartilage
Which of the following in the respiratory gas tree gas exchange first occur?
Respiratory bronchiole
Which cell type is involved in general sensation of the olfactory mucosa?
Olfactory cells
What type of tissue lines the mucosa of the olfactory region?
Ciliated pseudostratified epithelium with goblet cells
What type of tissue makes up the rings of the trachea?
Hyaline cartilage
What is an olfactory cell?
Bipolar neuron
Which type of cartilage is found in the larynx?
a. Hyaline cartilage
b. Elastic cartilage
c. Fibrocartilage
d. Both a and b
e. All of the above
d. Both a and b
Which cell is found in large numbers in the terminal bronchioles?
Clara cell
What type of cells are present in the alveoli in the lung?
a. Clara cells
b. Type I pneumocyte
c. Type II pneumocyte
d. Both b and c
e. none of the above
d. Both b and c
In which structure does gas exchange NOT occur?
Terminal bronchiole
Beating movement of the cilia brings mucous into what structure?
oropharynx
Portion where cilia is last found:
a. Terminal bronchiole
b. Respiratory bronchiole
c. Alveolar duct
d. Alveoli
b. Respiratory bronchiole
Which of the following are goblet cells last found?
a. Bronchus
b. Terminal bronchiole
c. Respiratory bronchiole
d. Alveolar duct
a. Bronchus
First portion wherein hyaline cartilage is no longer found:
a. Bronchus
b. Terminal bronchiole
c. Respiratory bronchiole
d. Alveolar duct
b. Terminal bronchiole
Associated with hilum of lymph nodes
Efferent lymphatic vessels
Absence of MHC Class I activates what cell?
Natural Killer cells
Which of the following is not part of the stroma?
a. Capsule
b. Trabeculae
c. Reticular fibers
d. Parenchyma
d. Parenchyma
Blood - thymic barrier (blood-testes barrier based sa ppt):
a. Type 1
True of lymph vessels except:
a. collect excess large particles and tissue fluid
b. blind ended
c. less permeable to protein
d. have flap-like minivalves
c. less permeable to protein
What is the function of spleen?
a. Destruction of RBC
In what epithelioreticular layer do T lymphoctyes are “educated” something?
a. Type 2
Which of the following is a primary lymphatic organ?
a. Thymus
What distribution of lymphocytes that are found in the respiratory tract, genitourinary tract, and gastrointestinal tract?
b. diffuse
Which of the following has nodular pattern?
d. ileum
Lymphatic tissue found behind the nasal cavity
c. Pharyngeal tonsils
Where does the lymphatic trunk drain into?
a. Subclavian vein
What cells are found in the superficial cortex?
c. B lymphocytes
Where is HEV found?
c. Cortex
What cells are found in the medullary portion of the lymph node?
b. macrophages
What type of artery does the aorta represent?
a. Elastic artery
Vasa vasorum supplies which of the following?
d. Tunica Externa
Which layer of the heart is composed of cardiac muscle?
c. Myocardium
What is the pacemaker of the heart?
a. Sinoatrial node
What is the most about tissue in epicardium?
a. Adipose
Endothelium is composed of :
c. simple squamous epithelium
Where are the blood vessels which supply the heart located?
a. Epicardium
Which layer in an artery is primarily skeletal muscle?
e. None of the above
Which of the following is NOT a distinguishing feature between larger veins and arteries?
d. The lumen of a vein is smaller than the lumen of an artery
In which structure are things moved across the epithelium via pinocytotic vesicles?
a. Continuous capillaries
Which layer in an artery contains the endothelium?
a. Tunica intima
Which of the following is a distinct structure found specifically in the liver, spleen, and bone marrow?
c. Sinusoidal capillaries
A pronounced internal elastic membrane and external elastic membrane are distinguishing characteristics of which type of vessel?
e. Muscular artery
Which layer in an elastic artery is the largest thickest?
e. Tunica media
Which structure has only a few layers of muscle in the tunica media?
b. Arteriole
Which layer in an artery is primarily connective tissue?
Tunica externa
What is the venous channel which is around the brain?
Venous sinus
Acts as a selectively permeable, anti-thrombogenic (inhibitory to clot formation) barrier:
b. Endothelium
Cardiac impulse conduction:
b. purkinje fiber
Which structure is transparent?
e. Cornea
What is responsible for adjusting the lens?
b. Ciliary muscle
What is the vascular pigment structure?
c. Choroid
What is the region called where the optic nerve exits the eye?
b. Lamina cribrosa
What exits with the optic nerve in the sclera?
a. Ophthalmic artery
Which of the following is a neuron something?
b. Ganglion cells
What supplies or gives nutrients to the lens and cornea?
e. Aqueous humor
Has a minor role in refractile media:
a. Aqueous humor
Which layer forms the majority of the cornea?
Substantia propria pero wala dun sa choice so maybe stroma(?)
*There are 5 layers to the cornea: epithelium, Bowman’s membrane, substantia propria, Descemet’s membrane, and endothelium. Surface of the cornea is covered by a non keratinized stratified squamous epithelium. Bowman’s membrane and Descemet’s membrane are acellular. Majority of the cornea is from substantia propria. Endothelium is a simple epithelium.
Where does aqueous humor from anterior chamber collect into?
e. Canal of Schlemm
Which structure is avascular?
b. Cornea
Lens are suspended in?
a. Zonules of linn
The following glands are part of tear film something except:
a. Meibomian gland (?)
b. Glands of zeis
c. Glands of Krause
d. Glands of Wolfring
a. Meibomian gland (?)
What makes up the bulk of the cornea?
e. Collagen fibers
Chief refractive element:
b. Cornea
Which of the following is more sensitive to light?
a. Rods
Which of the following is used in dim light?
c. Rods
Composed mainly of water and acts as shock absorber:
c. vitreous body
Where all metabolic exchanges takes place?
b. Endothelium
What limits the spread of infection?
d. Bowman’s membrane
Made of meshwork and fiber:
c. Decemet’s membrane
. Where basal layer cells proliferate?
d. Epithelium
All of the following is true about lens except:
a. Transparent, avascular
b. New lens fibers are produced throughout life
c. All of the following
d. None of the following
d. None of the following
What gives the pigment of the iris?
a. Connective tissue
b. Adipose tissue
c. Epithelial cells
d. None of the above
c. Epithelial cells
What is found within the membranous labyrinth?
c. Endolymph
Which of the following is found in the membranous labyrinth?
e. Scala media
Lateral 1/3 of the external auditory meatus:
d. elastic cartilage
Mucous layer of the tympanic membrane is made up of:
e. simple cuboidal
What muscle attenuates when there is loud sound?
b. Stapedius
Eustachian tube is lined by:
d. Pseudostratified ciliated columnar
Infections from _____ can spread to the middle ear:
c. Nasopharynx
Mastoid portion of temporal bone:
d. middle ear
It is in direct contact with stapes:
a. oval window
Endolymph:
a. potassium
Membranous labyrinth of vestibule except:
a. semicircular canal
b. utricle
c. saccule
d. cochlear duct
d. cochlear duct
Bone where the cochlea makes a turn:
a. Modiolus
Causes inflammation (redness and swelling) of the external ear canal:
a. otitis externa
Located in the ampula:
a. cristae ampullaris
Which of the following is not true?
a. Type 2 are cylindrical in shape
b. hair cells are innervated by innervated bye vestibular nerve
c. Cells that are columnar with nuclei near the base are called supporting cells
d. all of the above
e. none of the above
d. all of the above
Otolith are composed of:
d. calcium carbonate
Sensitive to gravity:
d. macula (saccule)
Serves as the roof of scala media:
b. Reissner’s
Serves as the floor of scala media:
c. Basilar membrance
