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1 Course No: DNTS2311 Course Title: General Histology I Date: 23/11/4104 No. of Questions: Time: 0hours Using Calculator (No) University of Palestine Midterm Exam 2014/2015 Total Grade: Instructor Name: DR.ALAA Al- BAYOUK,RMT,MD,PhD. Student No.: Student Name: College Name: Dep. / Specialist: Using Dictionary (No) Name: Grade: I Encircle the ONE BEST answer to each question: 1-The total magnification is calculated as : A. Magnification of ocular lens added to the magnification of the objective lens B. Magnification of ocular lens multiplied by the magnification of the objective lens C. Magnification of condenser lens multiplied by the magnification of the objective lens 2- The ordinary stain is used for routine histological examination: A. Wright's stain B. Sudan stain C. Silver impregnation D. Hematoxylin and eosin stain 3- A universal fixative is used for tissue preservation: A. NSS B. formalin C. Ethyl alcohol D. Aerosol spray 4- Is the study of blood and blood diseases: A. Hematology B. Cytology C. Histology D. Pathology 5- Erythropoietin is a hormone released by: A-Bone marrow B-Kidneys C-Liver D-Spleen. 6-Blood is a specialized type of: A-Epithelium B-Connective tissue C. Muscle tissue D. Nervous tissue. 7- Universal recipients, are people with blood type: A-A B-B C-AB D-O. 8- In human adults, an average volume of blood is about: A- 4 liters B-5 liters C-6 liters D-7 liters E- 8 liters. 9- Life span of erythrocytes is about? A. Four days B. Four weeks C. Four months D. Four years

2 10-Which cell type differentiates into macrophages? A-Megakaryocyte B-Monocyte C- Eosinophil D- Platelets. 11-Which of the formed elements of blood is involved in haemostasis? A-Plasma cell B-Platelet C- Monocyte D- Megakaryocyte 12-Which is the smallest leukocyte? A. Neutrophil B. Lymphocytes C. Monocytes D. Eosinophil E. Basophils 13- All are true for reticulocytes EXCEPT A. Immature erythrocytes B. About 10 % of total erythrocytes C. Have no nuclei D. Reticulocytosis occurs in hemorrhage or high altitude 14- All are true for Barr body EXCEPT A. In females B. Active X chromosome C. Drum stick -like D. In nuclei of neutrophils 15- Bone derives from the A- Endoderm B- Mesoderm C- Ectoderm 16- Functions of epithelial tissues include: A- Protection B- Absorption C- Secretion D- All of the above 17- All but one is NOT epithelial tissue: A- Mesenchyme B- Mesothelium C- Transitional D- Endothelium 18- The cytokeratin filaments are a form of A- Microfilaments B- Microtubules C- Intermediate filaments D- Actin filaments 19- Apocrine secretion occurs in A- Pituitary gland B- Breast C- Pancreas D-Sebaceous gland 20-The largest organ in humans A- skin B- pancreas C-spleen D-liver 21- Compound glands have: A- Branched ducts and branched secretory units B- Branched ducts C- Branched secretory units D-No ducts

3 22- It is NOT primarily composed of connective tissue: A. Bone marrow B. Articular cartilage C. Heart D. Mesenchyme E. Fat 23-For mast cells, all are true EXCEPT: A. Resemble blood basophils B. Granules are metachromatic C. Secrete histamine & heparin D. Contains hydrolytic enzymes 24-It is NOT a fiber found in connective tissue? A. Collagen fiber B. Elastic fiber C. Reticular fiber D. Purkinje fiber E. All of the above are fibers found in connective tissue 25- The cell which responsible for wound closure is : A. Fibroblast B. Fibrocyte C. Myofibroblasts D. None of the above

4 II- For each numbered word or phrase choose: A- if the item is associated with (A) only B- if the item is associated with (B) only C- if the item is associated with both (A) and (B) D- if the item is associated with neither (A) nor (B) Vascularized tissue/s A- Mesenchyme B- Cartilage Produce antibodies A-Plasma cells B- Mast cells Type II collagen A- Bone B- Cartilage Group AB individuals A- Antigen A B-Antigen B Eukaryotic cells A- Bacteria B- Human being Anuclear cells A-Erythrocytes B- Red blood cells Pure endocrine gland A-Pancreas B-Thyroid gland Blood smear A-Pap's stain B-Wright's stain Mainly serous secretory gland/s A-Submandibular gland B-Sublingual gland Plasma A- Fluid portion of blood B- Formed elements

5 III- Match up: Column I Column II Pseudostratified columnar A-Lining of the urinary bladder Transitional B- Lining of the capillaries Simple columnar C- Lining of the trachea Simple squamous D-Lining of the small intestine Simple cuboidal E-Germinal epithelium/ ovaries Column I Column II Loose irregular connective tissue A- Dermis Mucous connective tissue B- Wharton's jelly Dense regular connective tissue C-Fat Dense irregular connective tissue D- Areolar tissue Adipose tissue Column I E-Tendon Column II Neutrophil A- Agranulocyte Eosinophil B-Large blue granule Erythrocyte C-Bronchial asthma Basophil D-Most numerous leukocyte Monocyte E- Contains Hemoglobin Best of Luck

6 ANSWER SHEET Name: Grade: Good Luck