Histo module 3 Flashcards
Part of the macrovasculature except A. Muscular artery B. large arteriolar C. Capillaries D. Elastic artery
C.
Macrovasculature- large arterioles, muscular and elastic arteries, and muscular veins
Microvasculature - arterioles, venules, postcapillary vessels
Part of the blood vascular sys, whose function is to carry the blood, with its nutrients and oxygen, to the tissues A. Heart B. capillary C. Vein D. Artery
D
Consist of HELICAL layer of smooth muscle
A. Tunica intima
B. tunica media
C. Tunica adventitia
B
First antibody produced in initial immune response
IgM
What layer or tunica can you usually see vasa vasorum
Tunica adventitia
Aka lymphoblast cells
Large lymphocytes
True or false. Arteries are EFFERENT vessels
True
What antibody acts as antigen receptor to trigger initial B cell activation
IgD
Organ whose function is to pump blood
Heart
Veins have ______, arteries have _____
A. Thin tunica externa, thin tunica media
B. thin tunica externa, thick tunica media
C. Thick tunica externa, thin tunica media
D. Thick tunica externa, thick tunica media
D
Secretory IgA are composed of 2-3 monomers that is united by what polypeptide chain
Protein J
Largest immunoglobulin
IgM. Mabilis and malaki. First to react and pentamer
True or false. Endothelium are true epithelium
False
True or false. Lymph movement is ALWAYS towards the heart
True
Where can you find baroreceptors
A. Carotid body
B. carotid sinus
B. carotid body - chemoreceptors
glycoprotein that interacts specifically with an antigenic determinant
Antibody
Function of left ventricle and left atrium respectively
A. Pump blood to lungs, receive blood from body
B. pump blood to lungs, receive blood from pulmonary vein
C. Pump blood to rest of body, receive blood from body
D. Pump blood to rest of body, receive blood from pulmonary vein
D. Right ventricle and right atrium yun letter A
In the heart, Where can you find purkinjie fibers A. Endocardium B. Subendocardium C. Myocardium D. Pericardium
B
True or false. Membrane bound IgM activates the complement system
False. Secretory IgM dapat. Function of membrane bound IgM is as receptor site for antigen g
site of interchanges between blood and the surrounding tissues both under normal conditions and during inflammatory processes A. Macrovasculature B. microvasculature C. Both D. None of the above
B
cytokines that induce diapedesis of leukocytes and migration to sites of inflammation
Chemokines or chemotaxins
Where is the SA and AV node located
Right atrium
Continuous with the organ
A. Tunica intima
B. tunica media
C. Tunica adventitia
C.
excess tissue fluid carried by lymphatic vessels
Lymph
Lymphatic classification found in the lamina propia of appendix
Dense lymphatic tissue along with LP of ileum, colon
Basis for development of. Varicose veins
Valve failure in the legs
Composed of cords of dense connective tissue extending from the valves and attached to papillary muscles that help prevent valves from turning inside-out during ventricular contraction
Chorda tendinae
Lymphatic tissues are made primarily of what cell type
Lymphocytes
Consist of type I collagen and elastin
A. Tunica intima
B. tunica media
C. Tunica adventitia
C
only primary lymphatic organ
Thymus gland
True or false, capillaries also has tunica intima, tunica media, Tunica adventitia
False. They only have endothelium. No subendothelium or tunica..
Characteristic feature of thymus
Thymic corpuscles or Hassl’s bodies
Tunica intima is separated to tunica media by
Internal elastic lamina
Media and adventitia separated by external elastic lamina
Largest lymphatic organ
Spleen
True or false. Perforation of elastic lamina DECREASES with age
False. Increases Newborn 40. Adult 70
Atherosclerosis is the thickening of what layer of the artery
Tunica intima
Weakening of tunica media of an artery may lead to what disease
Aneurysm
site of leukocyte exit from vasculature
Small veins
After injury pericytes become A. Tunica intima B. tunica media C. Tunica externa D. Two of the above
B
True or false. The cells of the immune system recognize and react to the whole antigen molecule
False, they only react to epitopes
main sites for the exchange of O2 and CO2 between inspired air and blood A. Bronchus B. bronchioles C. Alveoli D. Nasal cavity
Alveoli
Acts as electrical insulation between atria and ventricles
Cardiac skeleton
central pale staining portion of a lymphatic nodule
Germinal center
Portion of the conducting portion of the respiratory sys except A. Bronchi B. bronchioles C. Nasal cavity D. Alveoli
D. Conducting portion - nasal cavity, bronchi, terminal bronchioles, nasopharynx, trachea, larynx
Respiratory portion - respiratory bronchioles, alveoli, alveoli ducts
Most abundant immunoglobulin
IgG. Placental transfer
Part of the respiratory sys, where actual exchange of gas occurs A. Conducting B. respiratory C. Both D. None
B. Conducting- bring air to the lungs
principal attachment for the cardiac muscles and AV valves
Annuli fibrosi
Morphology of respiratory epithelium
Ciliated Pseudo stratified columnar epithelium
What protein is deficient in immotile cilia syndrome
Dynein
Smokers' respiratory tract has the ff characteristics except A. More rapid clearance B. decrease movement of mucous layer C. Reduce goblet cells D. Reduce ciliated cell
C. Goblet cells increase
The ff are covered by respiratory epithelium except A. Inferior conchae B. middle conchae C. Superior conchae D. Trachea
C. It is covered by olfactory epithelium
Which part of the respiratory tract is rigid, short passage for air between the pharynx and the trachea
Larynx
Morphology of the lingual surface of the epiglottis
Stratified squamous epithelium
Ventricular contraction
Systole
Diastole-ventricular relaxation
Veins have \_\_\_\_\_\_, arteries have \_\_\_\_\_ A. Thin tunica externa, wide lumen B. thin tunica externa, narrow lumen C. Thick tunica externa, wide lumen D. Thick tunica externa, narrow lumen
D.
Carries un oxygenated blood to the heart A. Heart B. capillary C. Vein D. Artery
C
Antibodies are bound by A. Disulfide bond and covalent bonds B. disulfide bond and non covalent bonds C. Disulfide bonds only D. Covalent bonds only E. non covalent bonds only
B
True or false. Ventricular walls are THICKER than arterial walls
True
Secondary lymphoid organ except A. lymph nodes B. mucosa-associated lymphoid tissue c. spleen D. Thymus
D. Primary un along with bone marrow
The internal surface of all components of the blood and lymphatic systems is lined by a single layer of a squamous epithelium called _______
Endothelium
An antibody has/have \_\_\_ binding site A. 0 B. 1 C. 2 D. 3 E. it varies on what antibody
C
Part of the blood vascular sys, whose walls the interchange between blood and tissues takes place A. Heart B. artery C. Vein D. Capillary
D
Action of the parasympathetic and sympathetic nerves on the heart
A. Slow heartbeat, accelerates heart rhythm
B. fast heartbeat, accelerates heart rhythm
C. Slow heartbeat, decelerates heart rhythm
D. Fast heartbeat, decelerates heart rhythm
A
Major immunoglobulins found of B cell surfaces A. IgM , IgA B. IgG, IgM C. IgE, IgA D. IgM, IgD
D
Majority of the lymphocytes are
A. Small
B medium
C. Large
A
Smallest part of the blood vascular sys
Capillaries
Which of the ff is correct A. T cell- humoral immunity B. T cell longer lifespan C. B cell more than T cell D. T cell have antibodies
B
Results from convergence of capillaries A. Heart B. capillary C. Vein D. Artery
C
Acts as a semipermeable membrane between blood and interstitial tissue
Endothelium
Epicardium is lined by
Mesothelium
Valves in lymph capillaries are closed when A. Pressure inside is lower B. pressure outside is lower C. Volume inside is higher D.volume outside is higher.
B
The stroma of lymphatic tissues is made of
A. Reticular tissues
B. collagenous tissue
C. Elastic tissues
A
AIDS kills A. CD4 B. CD8 C. B cells D. CD 25
CD4 or t helper
Binding site of an antibody is composed of A. Fc region and variable region B. 2 heavy chain and 2 light chain C. 1 heavy chain , 1 light chain D. Varies
C.
