Histology Exam 3 Flashcards by Adam Sklamberg

Endolymph is found in which of the following structures?

Ampullae of the semicircular canals

Scala vestibuli

Scala tympani

Middle ear chamber

Ampullae of the semicircular canals

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Which of the following structures participates in the formation of endolymph?

Tectorial membrane

Stria vascularis

Subarachnoid space

Subdural space

Stria vascularis

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Which of the following structures attaches to the membrane over the oval window?

Malleus

Incus

Stapes

None of the above

Stapes

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The helicotrema connects which of the two compartments listed below?

Middle ear chamber and the scala media

Scala vestibuli and scala tympani

Scala tympani and the cochlear duct

Round window and the cochlear duct

Scala vestibuli and scala tympani

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Calcium carbonate crystals, known as otoliths, are found associated with which of the following structures?

Scala tympani

Cristae ampulares of the semicircular canals

Macula of the utricle and saccule

Cochlear duct

Macula of the utricle and saccule

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What characteristic would apply to secondary lymphoid nodules but not primary lymphoid nodules?

Afferent Lymphatics

Afferent Veins

Germinal Center

High-Endothelial Veins (HEVs)

Germinal center

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HIV selectively binds to CD4 antigens. What types of lymphocytes would be most directly affected by this virus?

Cytolytic T Cells

Helper T Cells

Natural Killer Cells

Macrophages

Helper T cells

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Which of the following complement factors is the most important opsinin? c2b c3b c4b c5b

c3b

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If a child is exposed to measles and comes down with the infection, what type of immunity will the child develop if they live?

Passive, Innate

Active, Innate

Passive, Acquired

Active, Acquired

Active, acquired

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Which of the following is the first type of antibody expressed by developing B cells? IgA IgG IgM IgG IgD

IgM

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Which of the following cell types releases tumor necrosis factor which is directly capable of killing tumor cells? (two answers are correct)

CD4+

CD8+

CD16+

Neutrophils

CD62+

CD16+ and NeutrophilsNext

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Which of the following structures serves as the entry point by which circulating lymphocytes seed the lymph node?

Afferent lymphatics

Efferent lymphatics

High endothelial venules

Subcapsular space

High endothelial venules

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Double negative T cells which lack both CD4 and CD8 receptors proliferate in which of the following areas of the thymus?

Subcapsular

Outer cortex

Inner cortex

Medulla

Subcapsular

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Hassall’s Corpuscles are characteristic only of which of the following areas?

Cortex of the lymph nodes

Medulla of the lymph nodes

Cortex of the thymus

Medulla of the thymus

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Cord of the Billroth are associated with which of the following?

Cortex of lymph nodes

Cortex of the thymus

White pulp of Spleen

Red pulp of Spleen

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What is the sequence of flow for red blood cells through the spleen?

Splenic artery, trabecular arteries, central arteries, penicillus, venous sinuses.

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Which of the following cell types associated with merocrine sweat glands secrete water and electrolytes?

Apical dark cells

Myoepithelial cells

Basal cells

Glands of Moll

Basal cells

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Of the circulating blood cell types, which of the following is an active ameboid phagocyte, characterized by numerous small specific granules and larger less numerous azurophilic granules?

Neutrophils

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The lamina cribosa is associated with which of the following layers of the eye?

Cornea

Sclera

Lens

Vascular tunic

Retina

Sclera

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Odorant binding proteins are produced by which of the following?

Sebaceous glands

Sudoriferous glands

Glands of Moll

Bowman’s glands

Glands of Zeiss

Bowman’s glands

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The specific type of epithelial covering true vocal folds (cords) is represented by which of the following?

Stratified squamous non-keratinized epithelial tissue

Stratified squamous keratinized epithelial tissue

Respiratory epithelium

Olfactory epithelium

Simple low cuboidal epithelium

Stratified squamous non-keratinized epithelial tissue

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Renin is secreted by which of the following?

Liver

Macula densa cells

Atrial cells of the heart

Mesangial cells

Juxtaglomerular cells

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Which of the following is not a function of mesangial cells?

Phagocytosis

Production of angiotensin II

Mechanical support

Synthesis of matrix and collage

Regulation of blood flow

Production of angiotensin II

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Which of the following types of cells are found only in the bronchioles and secrete a surface-active lipoprotein that prevents the collapse of terminal bronchioles during exhalation?

Type I alveolar Cell

Type II alveolar Cell

Clara Cell

Dust Cell

Clara Cell

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Which of the following are derived from mesoderm and secrete dentine? Ameloblasts Cementoblasts Odonotoblasts Dentinoblasts

Odontoblasts

Which of the following lingual papillae are located along the sulcus terminalis of the tongue as projections surrounded by a moat (circular furrow)? Lingual Fungiform Filiform Circumvallate

Circumvallate

The myenteric plexus (of Auerbach) regulates the size of the lumen and the rhythmic movement of the GI tract. Which of the following best describes its location within the gut wall? Between the mucosa and submucosa Between the submucosa and the circular layer of smooth muscle Between the circular and longitudinal layers of smooth muscle Between the circular layer of smooth muscle and the adventitia

Between the circular and longitudinal layers of the smooth muscle

What is the secretory product of the Parietal cell?

Hydrochloric acid

Pancreatic acini secrete enzymes and a bicarbonate rich alkaline fluid. Release of the bicarbonate rich fluid from the acinar ductal cells is stimulated by which of the following? Cholecystokinin Gastrin Secretin Hydrochloric acid

Secretin

Which of the follow cells, located in the basal crypts, contain prominent eosinophilic granules and produce lysozyme to control intestinal flora? Paneth cells Chief cell Parietal cell Enteroendocrine cell

Paneth Cell

Which of the following is not part of a portal triad? Hepatic arterial branch Portal venule Hepatic sinusoid Bile duct

Hepatic sinusoid

What is part of the portal triad? Hepatic arterial branch Portal venule Hepatic sinusoid Bile duct

Hepatic arterial branch Portal venule Bile duct

Which of the following kinds of cells is unique to the pancreas and is associated with the intercalated ducts? Alpha cells Paneth cells Centroacinar cells Acinar cells

Centroacinar cells

In the portal lobule organization of the liver parenchyma, which of the following forms the center of the lobule? Bile duct in the portal triad Central venule Space of Disse Hepatic sinusoid

Bile duct in the portal triad

Which of the following spaces separates hepatocytes from the endothelial cells in the hepatic lobules? Space of Disse Space of Mall Space of Herring Space of Cholangiocelle

Space of Disse

What types of cells are found only in the bronchiole and secrete a surface-active lipoprotein that prevents collapse of terminal bronchiole during exhalation? Type 1 alveolar cells Type 2 alveolar cells Clara clara Dust cells

Clara cells

In the classic hepatic lobule the central venule receives blood from which of the follow? A branch of the hepatic artery A branch of the portal vein A branch of the hepatic vein A branch of both the hepatic artery and portal vein A branch of both the hepatic artery and hepatic vein

A branch of the hepatic artery and portal vein

The otolithic membrane of the middle ear is associated with which of the following structures? Macula of saccule Crista ampullares Semicircular canal Organ of Corti

Macula of saccule

Which of the following best describes the interpapillary pegs associated with the integument? They are branching dermal structures organized into double rows They are related to fingerprints They are downward growths of the epidermis They are upward projections from each secondary dermal ridge

They are downward growths of the epidermis

Fenestrated capillaries would NOT be characterized by which of the following? The endothelium has numerous openings (fenestrae) The fenestrae may have thin diaphragms The basal lamina is discontinuous They are associated with renal glomeruli

The basal lamina is discontinuous

ID the structure/membrane indicated by the arrow in the photomicrograph Scala Tympani Stria Vascularis Tectorial Membrane Vestibular Membrane

Stria Vascularis

ID the structure/membrane indicated by the arrow in the photomicrograph Scala Tympani Stria Vascularis Tectorial Membrane Vestibular Membrane

Vestibular Membrane

ID the structure/membrane indicated by the arrow in the photomicrograph Scala Tympani Stria Vascularis Scala Vestibuli Cochlear Duct

Cochlear Duct

In the photomicrograph, the arrow points to which of the following structures? Central arteriole in splenic white pulp Splenic red pulp Intercalated pancreatic duct High endothelial vein in lymph node

Central arteriorle in splenic white pulp

In the photomicrograph, the arrow points to which of the following structures? Splenic arteriole Splenic Red Pulp Lymph Node Trabecula Trabecula of Thymus

Lymph Node Trabecula

In the photomicrograph, the arrow points to which of the following structures? Stratum Basale (Germinativum) Stratus Spinosum Stratum Granulosum Stratum Corneum

Stratum Basale (Germinativum)

ID the structure seen in the photomicrograph below. Meissner's Corpuscle Hassall's Corpuscle Arteriole Pacini Corpuscle

Pacini Corpuscle

In the photomicrograph below, ID the specific brownish type of cell indicated by the arrow. Langerhan's Cell Melanocyte Kupffer Cell Podocyte

Melanocyte

ID the following type of tissue. Skeletal Muscle Fibrous Connective Tissue Cardiac Muscle Smooth Muscle

Cardiac Muscle

ID the Tissue marked with an asterisk Tunica Intima Layer Purkinje Cell Layer Internal Elastic Lamina Tunica Adventitia

Purkinje Cell Layer

ID the following specific (Layer) structure indicated by the arrow: External Root Sheath Internal Root Sheath Cuticle Medulla

Internal Root Sheath

The photomicrograph below depicts a section from which of the following organs? Jejunum Olfactory epithelium Lip Trachea

Trachea

ID the structure/layer on the photomicrograph below that is marked with an asterisk. Tunica Media External Elastic Lamina Internal Elastic Lamina Tunica Adventitia Smooth Muscle

Tunica Adventitia

ID the type of gland. Parotid Gland Sublingual Gland Submandibular Gland Thyroid gland Liver

Sublingual Gland

ID the type of duct shown by the arrow. Interlobar Interlobular Intralobular Main Duct

Interlobular

ID the type of epithelium Transitional Stratified Cuboidal Simple Columnar Stratified Squamous Keratinized Stratified Squamous Non-Keratinized

Simple Columnar

ID the type of cell indicated by the arrow. Lymphocyte Neutrophil Monocyte Basophil Eosinophil

Neutrophil

ID the specific structure indicated by arrow. Canaliculus Lacuna Osteocyte Lamella

Lacuna

In the photomicrograph below, what structure is indicated by the arrow? Bronchiole Pulmonary Capillary Alveolar Duct Alveolus

Alveolar Duct

ID the reddish hollow structure in the center of the attached photomicrograph Vein Trachea Bronchiole Alveolar Duct

Bronchiole

In the photomicrograph, ID the group of cells indicated by the arrow Juxtaglomerular Apparatus Collecting Duct Ascending Loop of Henle Macula Densa

Macula Densa

ID the structure indicated by the arrow in the attached photomicrograph Germinal Center Proximal Convoluted Tubule Glomerulus GALT

Glomerulus

ID the specific type of cell indicated by the arrow in the attached photomicrograph Podocyte Paneth Cell Parietal Cell Mesangial Cell

Podocyte

The photomicrograph below is taken from which of the following organs? Fundic Stomach Ureter Renal Cortex Tongue

Ureter