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🌊 Aquaflask - 🌊 HISTOLOGY and EMBRYOLOGY 2ND BMEX [page 181]

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Published	01/14/2024	Which of the following describes the cytoplasm of the RBC?A. Contains antigenic sitesB. Has proteins that maintain the integrity of the cellC. CO when…
Published	01/14/2024	Which of the following describes agranulocytes?A. Nuclei are lobulated with 2 or 5 lobulesB. Life span is for a few monthsC. Contains azurophilic gran…
Published	01/14/2024	In a coagulated blood, the buffy coat contains one of the following:A. FibrinogenB. PlateletsC. ReticulocyteD. Albumin
Published	01/14/2024	Which of the following is true regarding blood?A. About 45% is the volume of RBCB. It leaks out of the capillaries when they are neededC. The flow of …
Published	01/14/2024	Which pair of plasma component and its function?A. α Globulin – has immune functionsB. Fibrinogen – maintain membrane potentialC. Regulatory protein –…
Published	01/14/2024	Which of the following tests is used as an index for red cell production?A. HematocritB. HemoglobinC. Red cell indicesD. Reticulocyte count
Published	01/14/2024	A 20-year-old female came to the ER because of pallor from excessive vaginal bleeding. After a thorough review of the history and physical examination…
Published	01/14/2024	In the 3rd week of embryogenesis and before marrow erythropoiesis is established, the production of red blood cell will occur in which organ?A. LiverB…
Published	01/14/2024	The blast cells are also called:A. Pluripotent stem cellsB. Progenitor cellsC. Precursor cellsD. None of the above
Published	01/14/2024	In erythropoiesis, the characteristic pinkish hue of the cytoplasm of the red blood cells on Wright-Giemsa or Romanowsky is due to which of the follow…
Published	01/14/2024	The "specific granules" found in white blood cells first manifest at what stage of granulocytopoiesis?A. MyeloblastB. MyelocyteC. PromyelocyteD. Metam…
Published	01/14/2024	The term "shift to the left" refers to which of the following?A . An increase in number of blast cells in bone marrowB. An increase in number of myelo…
Published	01/14/2024	Which of the formed elements in blood, in its mature form, is derived from the cytoplasmic granules of its parent cell?A. Basal cellsB. MonocytesC. Na…
Published	01/14/2024	Which of the following is the largest cell in the bone marrow?A. ProerythroblastB. MyeloblastC. MegakaryocyteD. Monocyte
Published	01/14/2024	Which are normal ADULT values?A. M:E ratio of 2:1B. Reticulocyte count 3%C. >20% lymphocyte countD. <3% Plasma cells less
Published	01/14/2024	Macrophages and tissue histiocytes are derived from which of the following?A. MonocyteB. Natural killer cellsC. Dendritic cellsD. Mast cell
Published	01/14/2024	A white blood cell characterized by a 2-segmented nucleus and a presence of golden red granules in the cytoplasm is likely defined as?A. BasophilB. Eo…
Published	01/14/2024	Which is true on hematopoietic stem cells?A. Comprise only 1% of mononuclear cells of bone marrowB. Expresses CD34 but otherwise lineage somethingC. C…
Published	01/14/2024	Plasma cells are terminally differentiated from which of the following?A. B lymphocytesB. T lymphocytesC. ProlymphocyteD. Natural killer cells
Published	01/14/2024	What is/are true about segmented neutrophils?A. Number of segments increases with age of the cellB. A shift to smaller number of segments is a discret…
Published	01/14/2024	The following statements are correct regarding megakaryocyte EXCEPTA. Cannot enter bloodstream in normal physiologic conditionsB. Characterized by gia…
Published	01/14/2024	These components of the interalveolar septa allow expansion and prevention of collapse of alveoliA. Elastic and reticular fibersB. Type I and II alveo…
Published	01/14/2024	A focused slide showed simple and stratified epithelia, mixed glands, hyaline cartilage and striated muscle. What is this organ?A. Paranasal sinusB. L…
Published	01/14/2024	Which of the following is common to the terminal and respiratory bronchioles?A. Respiratory epitheliumB. Bands of smooth muscleC. Presence of mixed gl…
Published	01/14/2024	This organ's mucosa has both respiratory and nervous epithelia and serous glands:A. LarynxB. Nasal cavityC. TracheaD. Paranasal sinuses
Published	01/14/2024	Which of the following cells of respiratory epithelium and its functions is matched correctly?A. Brush - chemosensoryB. Basal - secrete hormonesC. Kul…
Published	01/14/2024	Which of the following is true of alveoli?A. Connected by alveolar poresB. Lined by fenestrated endotheliumC. Cuboidal attenuated cells bulge in alveo…
Published	01/14/2024	These are branched, cordlike masses of lymphoid tissue extending from the paracortex of the lymph node and contain both T and B lymphocytes and many p…
Published	01/14/2024	The blood thymus barrier prevents unregulated exposure to thymocytes to antigens. Which of the ff is/are component/s of the blood thymus barrier ?A. D…
Published	01/14/2024	Which of the following is true about the 2-stage selection process of developing T-cells in the thymus?A. T cells that strongly bind MHCs containing s…
Published	01/14/2024	The spleen has two components- the white pulp and red pulp. Which of the following can be found in the white pulp?1. Lymph nodules2. Central arteriole…
Published	01/14/2024	Which of the following lymph node structure receives lymph from the afferent lymphatics?A. Cortical sinusB. Subcapsular sinusC. Paracortex
Published	01/14/2024	Which of the following is true of the spleen?A. The only lymph organ involved in blood filtrationB. Closed circulation in the red pulpC. Stave cells l…
Published	01/14/2024	Which of the following describes the different chambers of the heart?A. Right atrium is thicker than the right ventricleB. The smooth part of the righ…
Published	01/14/2024	Which of the following is a function of pericardium?A. It is the fluid outside the pericardial cavity that provides lubrication to its fibrous layerB.…
Published	01/14/2024	Which of the following statements is true about capillaries?A. Secrete various growth factors such as VEGFB. The average diameter of capillaries does …
Published	01/14/2024	Flow of lymphatic vessels to the venous system:A. Lymphatic capillaries ➝ Lymphatic vessels ➝ Right lymphatic duct and thoracic duct ➝ Venous portion …
Published	01/14/2024	Which of the following is TRUE about transcapillary fluid movement?A. Filtration of fluid from the capillary into the tissue space occurs when the net…
Published	01/14/2024	What regulates septation and circulation formation of the development of the heart?A. Notch SignalingB. TGF B
Published	01/14/2024	What specific germ layer is the heart derived from?A. Somatic lateral mesodermB. Splanchnic lateral mesodermC. Intermediate mesodermD. Paraxial mesode…
Published	01/14/2024	At the 4th week of embryonic development, the heart is a continuous and valveless linear tube and it has 5 embryonic dilations. Which of the following…
Published	01/14/2024	What are the arterial derivatives of Arch 4, left side?A. Hyoid and stapedial arteriesB. Arch of the aorta and left subclavian arteriesC. Left pulmona…
Published	01/14/2024	At the end of the 4th week, the partitioning of the primitive atrium begins. What is the significant opening that is formed when septum primum grows t…
Published	01/14/2024	During partitioning of the AV canal, the failure of the dorsal and ventral cushion to fuse causes this defect.A. Ventricular septal defectB. Persisten…
Published	01/14/2024	Which of the following cardiac anomalies are results of defect of the lengthening and partitioning of the outflow tract into aortic and pulmonary chan…
Published	01/14/2024	The division of AVC, mitral and tricuspid valves occur during?A. Day 12-18B. Day 22-28C. Day 26-35D. Day 36- 42
Published	01/14/2024	Which of the following is TRUE about the formation of lung bud?A. Outgrowth of the posterior wall of the foregutB. The formation of the septum pl…
Published	01/14/2024	The epiglottis achieves its adult form at this age in years:A. 1B. 3C. 4D. 2
Published	01/14/2024	Formation of the left and right main bronchi occurs during this week:A. 5thB. 3rdC. 4thD. 2nd
Published	01/14/2024	The lung buds develop in the coelomic cavity at the region of the:A. Peritoneal cavityB. Peritoneal cavityC. Pericardioperitoneal canalD. Septum trans…
Published	01/14/2024	The parietal pleura arises from what layer?A. Splanchnic mesodermB. Somatic mesodermC. Paraxial mesodermD. Intermediate mesoderm
Published	01/14/2024	Segmental bronchi will begin to develop by which week?A. 4thB. 5thC. 6thD. 7th
Published	01/14/2024	Which of the following is true for lung bud development:A. TBX4B. Interleukins secreted by the mesodermC. Interactions between the mesoderm and endode…
Published	01/14/2024	The pleura is derived from which of the following:A .Splanchnic mesoderm B. EctodermC. Somatic mesodermD. Endoderm
Published	01/14/2024	Intimate contact which makes up blood-air barrier:A. Pseudoglandular periodB. Canalicular periodC. Terminal sac periodD. Alveolar period
Published	01/14/2024	Appearance of terminal saccules represent future alveolar sacs:A. PseudoglandularB. CanalicularC. Terminal sacD. Alveolar
Published	01/14/2024	Formation of respiratory bronchioles:A. PseudoglandularB. CanalicularC. Terminal SacD. Alveolar
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