Histology

Question 1

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

Answer 1

 Centroacinar cells

Question 2

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

Answer 2

 Hepatic sinusoid

Question 3

The specific type of epithelium covering the true vocal folds is  Stratified squamous non-keratinized epithelial tissue  Stratified squamous keratinized epithelial tissue  Respiratory epithelium  Olfactory epithelium  Simple low cuboidal epithelium

Answer 3

 Stratified squamous non-keratinized epithelial tissue

Question 4

Hassall’s corpuscles are characteristic only of which of the following areas?  Cortex of lymph nodes  Medulla of lymph nodes  Cortex of the thymus  Medulla of the thymus

Answer 4

 Medulla of lymph nodes

Question 5

o In the photomicrograph below, the arrow is pointing to which of the following layers?  Stratum basale (germinativum)  Stratum spinosum  Stratum granulosum  Stratum corneum

Answer 5

 Stratum basale (germinativum)

Question 6

o Identify the structure seen in the photomicrograph below.  Meissner’s corpuscle  Hassall’s corpuscle  Arteriole  Pacini corpuscle

Answer 6

 Pacini corpuscle

Question 7

In the photomicrograph below, identify the group of cells indicated by the arrow.  Juxtaglomerular apparatus  Collecting duct  Ascending loop of Henle  Macula densa

Answer 7

 Macula densa

Question 8

Identify the structure indicated by the arrow  Bowman’s membrane  Decemet’s membrane  Bruch’s membrane  Pigmented layer

Answer 8

 Bowman’s membrane

Question 9

Identify the layer indicated by the arrow.  Inner plexiform layer  Outer nuclear layer  Outer plexiform layer  Ganglion nuclear layer

Answer 9

 Outer nuclear layer

Question 10

Identify the structure/membrane indicated by the arrow in the photomicrograph.  Scala tympani  Stria vascularis  Tectorial membrane  Vestibular membrane

Answer 10

 Vestibular membrane

Question 11

Identify type of gland shown in the photomicrograph below  Submandibular  Sebaceous  Parotid  Bowman’s

Answer 11

 Sebaceous

Question 12

Identify the type of tissue shown in the photomicrograph below  Pancreas  Lymph node  Spleen  Liver

Answer 12

 Liver

Question 13

Identify the reddish hollow structure in the center of the attached photomicrograph.  Vein  Trachea  Bronchiole  Alveolar duct

Answer 13

 Bronchiole

Question 14

A connexon is a structural component of the:  Adhesion belt  Macula adherens  Gap junction  Tight junction  Desmosome

Answer 14

 Gap junction

Question 15

Glands characterized by sebaceous glands in which the entire secretory cell is lost as part of the secretion are classified as which of the following?  Merocrine  Serous  Eccrine  Apocrine  Holocrine

Answer 15

 Holocrine

Question 16

What would be the refractive power of a lens with a focal length of 50 cm?  1 diopter  2 diopters  5 diopters  50 diopters

Answer 16

 2 diopters

Question 17

Which of the following histological staining techniques would be most useful in diagnosing glycogen storage diseases?  Toluidine blue  H&E  PAS  Fuelgen

Answer 17

 PAS

Question 18

Identify type of gland:  Parotid gland  Sublingual gland  Submandibular gland  Thyroid gland  Liver

Answer 18

 Sublingual gland

Question 19

Identify type of duct shown by arrow  Interlobar  Interlobular  Intralobular  Main duct

Answer 19

 Interlobular

Question 20

ID type of epithelium  Transitional  Stratified cuboidal  Simple columnar  Stratified squamous keratinized  Stratified squamous non-keratinized

Answer 20

 Simple columnar

Question 21

Identify the type of cell shown in this slide  Lymphocyte  Neutrophil  Monocyte  Basophil  Eosinophil

Answer 21

 Neutrophil

Question 22

The photomicrograph below is taken from which of the following organs?  Fundic stomach  Ureter (also could be transitional epithelium)  Renal cortex  Tongue

Answer 22

 Ureter (also could be transitional epithelium)

Question 23

Identify large cell in the center of the photomicrograph.  Motor neuron in anterior horn of spinal cord  Astrocyte in cerebral cortex  Oligodendrocyte in paravertebral ganglion  Pseudounipolar neuron in dorsal root ganglion

Answer 23

 Pseudounipolar neuron in dorsal root ganglion

Question 24

Identify layer indicated by arrow  Tunica media  External elastic lamina  Internal elastic lamina  Tunica adventitia

Answer 24

 Internal elastic lamina

Question 25

Identify the following type of tissue  Dense irregular connective tissue  Fibrous connective tissue  Cardiac muscle  Smooth muscle

Answer 25

 Smooth muscle

Question 26

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

Answer 26

 The basal lamina is discontinuous