Prefinals Examination (2019) Flashcards by Donny Insular

Which cell is a also called a septal cell?

Type II pneumocyte

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Which cell is a respiratory macrophage?

Dust cell

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What type of tissue makes up the epiglottis?

Elastic cartilage

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Which of the following in the respiratory gas tree gas exchange first occur?

Respiratory bronchiole

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Which cell type is involved in general sensation of the olfactory mucosa?

Olfactory cells

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What type of tissue lines the mucosa of the olfactory region?

Ciliated pseudostratified epithelium with goblet cells

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What type of tissue makes up the rings of the trachea?

Hyaline cartilage

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What is an olfactory cell?

Bipolar neuron

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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

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Which cell is found in large numbers in the terminal bronchioles?

Clara cell

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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

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In which structure does gas exchange NOT occur?

Terminal bronchiole

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Beating movement of the cilia brings mucous into what structure?

oropharynx

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Portion where cilia is last found:

a. Terminal bronchiole
b. Respiratory bronchiole
c. Alveolar duct
d. Alveoli

b. Respiratory bronchiole

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Which of the following are goblet cells last found?

a. Bronchus
b. Terminal bronchiole
c. Respiratory bronchiole
d. Alveolar duct

a. Bronchus

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First portion wherein hyaline cartilage is no longer found:

a. Bronchus
b. Terminal bronchiole
c. Respiratory bronchiole
d. Alveolar duct

b. Terminal bronchiole

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Associated with hilum of lymph nodes

Efferent lymphatic vessels

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Absence of MHC Class I activates what cell?

Natural Killer cells

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Which of the following is not part of the stroma?

a. Capsule
b. Trabeculae
c. Reticular fibers
d. Parenchyma

d. Parenchyma

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Blood - thymic barrier (blood-testes barrier based sa ppt):

a. Type 1

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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

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What is the function of spleen?

a. Destruction of RBC

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In what epithelioreticular layer do T lymphoctyes are “educated” something?

a. Type 2

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Which of the following is a primary lymphatic organ?

a. Thymus

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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