USC - SOM - DBA

HISTOLOGY - -  BIOL 530 / ANAT 702

Practice Lecture Exam # 3   (Spring 2002)

The following questions are not meant to be all-inclusive for the material covered for the exam, but are designed to provide you with an idea of the types of questions you will encounter. You should be able to answer these in less than 1 minute per question.

True/ False

1. The stem cells or mitotic cells of the epidermis are found in the stratum basale.
2. The stratum corneum of the epidermis contains squamous-shaped cells that retain all of their organelles except mitochondria.
3. The papillary layer of the dermis is located just beneath the epidermis and contains loose connective tissue.
4. Melanocytes are derived embryonically from neural crest cells, which migrate to the developing epidermis.
5. The sebaceous glands are merocrine type glands associated with hair follicles of the skin.
6. The outer layer of the hair shaft is called the cuticle.
7. The portion of the skin covering the root of a fingernail is termed the eponychium.
8. The vestibule of the nasal cavity is lined by simple cuboidal epithelium.
9. The olfactory epithelium contains several cell types including bipolar neurons.
10. . The portion of the respiratory tract characterized by C-shaped cartilage is the respiratory bronchiole.
11. . The type II alveolar cells (pneumocytes) are secretory cells located in the alveolar epithelium.
12. . The medulla of the kidney is characterized by the presence of numerous renal corpuscles and their associated tubules.
13. . Blood enters the renal corpuscle via the efferent arteriole, which enters the corpuscle at the vascular pole.
14. . The descending portion of the Loop of Henle is impermeable to water.
15. . Angiotensin II regulates blood pressure in part by stimulating the release of aldosterone from the adrenal cortex.
16. . The proximal convoluted tubule epithelial cells play a significant role in reabsorption of a large proportion of the primary filtrate formed in the renal corpuscle.
17. . Primary spermatocytes undergo meiosis to form secondary spematocytes in the seminiferous tubules.
18. . Fertilization typically occurs in the ampulla of the oviduct.
19. . The vestibule is the central space of the inner ear containing the cochlea and saccule.
20. . The cristae ampullaris is the sensor of angular movement found in the semicircular canals of the ear.

21.  The conducting portion of the respiratory system includes each of the following except:

1. Nasal cavity
2. Trachea
3. Primary bronchi
4. Alveoli

22. The parietal layer of Bowman’s capsule consists of:

1. Podocytes
2. Dense irregular connective tissue
3. Simple squamous epithelium
4. Thin layer of smooth muscle

23. One feature that distinguishes bronchi from bronchioles are the:

1. Presence of smooth muscle in the muscularis layer in the bronchi
2. Presence of cartilage in the bronchi
3. Presence of larger lumens in the bronchioles
4. Presence of simple squamous epithelium in the bronchioles

24. The group of smooth muscles cells that run diagonally from the outer sheath of the hair follicle towards the surface of the integument is the:

1. Trachealis muscle
2. Arrector pili muscle
3. Pilosebaceous muscle
4. Meissner’s muscle

25. The first location of the respiratory tree in which gas exchange can occur:

1. Alveoli
2. Alveolar ducts
3. Respiratory bronchioles
4. Trachea

26. Cells that are thought, at least in part, to play a phagocytic role within the renal corpuscle are the:

1. Mesangial cells
2. Macula densa cells
3. Podocytes
4. Kuppfer cells

27. These are large ovoid sensory structures which serve as pressure receptors in the deep dermis:

1. Paccinian Corpuscles
2. Merkel Cells
3. Langerhans Cells
4. Meissner’s Corpuscles

28. The keratinocytes of the epidermis fill with this filamentous protein as they differentiate:

1. Collagen
2. Keratin
3. Filamin
4. Laminin

29. The water barrier of the epidermis is formed largely by these structures, which are secreted onto the surface of the keratinocytes:

1. Keratin
2. Desmosomes
3. Lamellar bodies
4. Basement membrane

30. The pharynx communicates with the middle ear via this structure:

1. Eustachian tube
2. Oval window
3. Larynx
4. Mastoid air cells

31. To enter the capillary, oxygen in the alveolar space has to cross each of the following except:

1. Type I pneumocytes
2. Type II pneumocytes
3. Capillary endothelial cells
4. Capillary endothelial cell basement membrane

32. From the glomerular capillaries of the kidney, the filtrate passes most immediately into the:

1. Collecting tubule
2. Proximal convoluted tubule
3. Distal convoluted tubule
4. Urinary space

33. Which of the following are secreted by the neuohypophysis and increases the permeability of the distal convoluted tubule cells:

1. Follicle stimulating hormone
2. Antidiuretic hormone
3. Renin
4. Aldosterone

34. The distal convoluted tubule epithelium plays a role in the reabsorption of which of the following from the urine:

1. Bicarbonate ions
2. Potassium ions
3. Water
4. Aldosterone

35. The cells of this structure monitor sodium chloride concentration in the afferent arterioles of the renal corpuscle and regulate the release of renin from the juxtaglomerular cells:

1. Proximal convoluted tubule
2. Minor calyx
3. Macula densa
4. Vasa recta

36. These are the spermatogenic stem cells located adjacent to the basement membrane of the seminiferous tubule:

1. Spermatogonia
2. Primary spermatocytes
3. Spermatids
4. Spermatozoa

37. From the seminiferous tubules, spermatozoa travel most immediately into:

1. Epidiymis
2. Tubuli recti (straight tubules)
3. Efferent ductules
4. Vas deferens

38. These are large columnar cells that form the blood-testis barrier in the seminiferous tubule:

1. Spermatogonia
2. Leydig cells
3. Sertolis cells
4. Follicular cells

39. This is the erectile tissue of the penis that contains the urethra:

1. Corpus cavernosum
2. Corpus spongiosum
3. Corpus venosum
4. Vasa albuginea

40. This is a large accessory gland in the male reproductive system that secretes acid phosphatase and other protein enzymes:

1. Prostate gland
2. Cowpers gland
3. Copus cavernosum
4. Helicine gland

Match the cell types or structures below with the organ in which they are found:

41. . Acidophils
42. . Pituicytes
43. . Parafollicular cells
44. . Leydig cells
45. . Corpora arenacea (brain sand)
46. . Oxyphil cells
47. . Granulosa lutein cells

1. Thyroid gland
2. Adenohypophysis
3. Parathyroid gland
4. Ovary
5. Testis
6. Neurohypophysis
7. Pineal gland

Match the hormone below with the cell type that produces it:

48. . Oxytocin
49. . Melatonin
50. . Follicle stimulating hormone
51. . Calcitonin
52. . Human chorionic gonadotropin
53. . Mineralocorticoids
54. . Testosterone
55. . Estrogen

1. Basophils of the adenohypophysis
2. Follicular cells of the thyroid gland
3. Leydig cells of the testis
4. Sertoli cells of the testis
5. Neurons of the hypothalamus
6. Trophoblasts of the chorion
7. Parafollicular cells of the thyroid gland
8. Pinealocytes
9. Cells of the corpus luteum
10. Principal or chief cells of the parathyroid gland
11. Cells of the zona glomerulosa of the adrenal gland
12. Cells of the zona reticularis of the adrenal gland

Match the description with structures of the eye:

56. .  A contractile diaphragm anterior to the lens of the eye
57. . Thickened basal lamina of the corneal endothelium
58. . The dense connective tissue forming the "white" of the eye
59. . Region of the eye containing the photoreceptor cells, the rods and cones.
60. . Darkly pigmented layer of the eye found between the retina and the sclera.

1. Cornea
2. Retina
3. Iris
4. Descemet’s membrane
5. Choroid
6. Sclera
7. Pectinate ligament

Match the following organs with their type of lining epithelium (epithelial types can be used more than once)

61. . Esophagus
62. . Colon
63. . Vagina
64. . Capillaries
65. . Epidermis
66. . Urinary bladder
67. . Trachea
68. . Distal convoluted tubules
69. . External auditory canal

1. Simple squamous epithelium
2. Simple cuboidal epithelium
3. Simple columnar epithelium
4. Stratified squamous epithelium
5. Stratified cuboidal epithelium
6. Pseudostratified columnar epithelium
7. Transitional epithelium

Match the descriptions with structures of the ear:

70. . Separates the outer and middle ear
71. . Auditory ossicle attached to the oval window
72. . Sensory structures within the saccule and utricle
73. . Gelatinous material covering the sensory receptors of the saccule
74. . Structure containing the receptors for hearing, the outer and inner hair cells.
75. . One of the chambers in the cochlea containing perilymph.

1. Stapes
2. Organ of Corti
3. Cristae ampullaris
4. Maculae
5. Scala tympani
6. Scala media
7. Malleous
8. Tympanic mambrane
9. Otolithic membrane

...return to the main Histology page

...to send E-mail to the department.

...return to the Home Page for USC Dep't of Developmental Biology & Anatomy
...return to the Home Page for USC School of Medicine
...return to the Home Page for the University of South Carolina

Date of most recent update: 06/24/02.   Pages designed, formatted and maintained by Lisa J. Buchanan. Please report any problems or inaccuracies to dba@med.sc.edu ©   This page URL is: http://www.med.sc.edu:89/HISTO/prex3.htm