*Cardiovascular system*1*31*3

#56

*!Subendothelial layer of tunica intima of arteries and veins made up by which tissue

*epithelial

*dense irregular fibrous connective

*adipose

*+loose irregular fibrous connective

*reticular

#57

*!Tunica intima of blood and lymphatic vessels made up by

*+endothelium

*simple cuboidal epithelium

*simple columnar epithelium

*stratified irregular squamous epithelium

*transitional epithelium

#58

*!Embryonic source of development of endocard

*endoderm

*ectoderm

*ventral mesoderm

*dorsal mesoderm

*+ mesenchyme

#59

*!The smooth muscle cells of the heart located in

*+endocardium

*myocardium

*epicardium

*pericardium

* Purkinje fibers

#60

*!Smooth rndoplasmic reticulm of contractile cardiomyocytes contains ions

*+calcium

*sodium

*fluorine

*hydrogen

*chlorine

#61

*!Cells of Purkinje fibers rich in inclusions

*+glycogen

* lipids

* hemosiderin

* melanin

* lipofuscin

#62

*! Pacemaker cells of the cardiac conduction system are rich in

*+free calcium ions

*lipids

*ribonucleoprotein

*aerobic enzymes of citric acid cycle

*potassium ions

#63

*!Shape of secretory cardiomyocytes

*round

*rectangular

*+process

*polygonal

*triangular

# 64

*!Sino-atrial node consists mainly from

*contractile cardiomyocytes

*fibroblasts

*+conductive cardiomyocytes type I - pacemaker cells

*conductive cardiomyocytes type II - transitional cells

*conducting cardiomyocytes type III

#65

*!Atrio-ventricular node consists mainly from

*contractile cardiomyocytes

*fibroblasts

*conductive cardiomyocytes type I - pacemaker cells

*+conductive cardiomyocytes type II - transitional cells

*conducting cardiomyocytes type III

#66

*!* Atrio-ventricular bundle (Hiss) and its cruses consist of

*contractile cardiomyocytes

*fibroblasts

*conductive cardiomyocytes type I - pacemaker cells

*conductive cardiomyocytes type II - transitional cells

*+conducting cardiomyocytes type III

#67

*! Functional myocardial muscle fibers are interconnected by

*collagen fibers

*+anastomoses

*elastic fibers

*reticular fibers

*desmosomes

#68

*! When climbing into the mountains which heart cardiomyocytes suffer primarily from hypoxia

*secretory

*cells of Purkinje fibers

*+contractile

*transitional

*pacemaker

#69

*! The visceral capillaries are character for

*+endocrine glands

*muscle

*liver

*spleen

*bone marrow

#70

*! The poison of spiders and snakes, containing hyaluronidase, easily penetrates through the capillary wall. What are the structural elements of the capillary wall associated with permeability

*endothelium

*+basement membrane

*adventitial cells

*pericytes

*argyrophilic fibers

#71

*! In the electron micrograph at the vessel wall seen endothelial cells. To these filaments are attached stropic coming from surrounding connective tissue. The basement membrane in the vessel is not detected. What is the name of this vessel

*capillaries

*post-capillary venule

*collective venule

*arteriola

*+lymphatic capillaries

#72

*! In the splitting of the basement membrane of capillaries are located

*myocytes

*+pericytes

*fibroblasts

*fat cells

*adventitial cells

#73

*!Vessels engaged in drainage of tissue fluid

*+lymphatic capillaries

*arterioles

*artery of muscular type

*hemocapillaries

*venules

#74

*!The middle sheath of the arterioles consists of

*single striated muscle fibers

*+1-2 layers of smooth muscle cells

*many layers of smooth muscle cells

*window elastic membranes

*a large number of striated muscle fibers

#75

*!The vessels of the microvasculature

*+arterioles, capillaries, venules

*muscular and mixed type of artery

*artery of mixed type

*arteries of elastic type

*thoracic lymphatic duct

#76

*!Vessels that carry arterial blood into the veins bypass the capillary bed

*+arteriolovenular anastomoses

*arteries of elastic type

*artery of muscular type

*arterioles

*artery of mixed type

#77

*!Sinusoidal capillaries typical for

*+spleen

*kidneys

*striated muscle

*pancreas

*the parotid gland

#78

*!The tunica adventita of the wall of capillaries consists of

*pericytes

*fibroblasts

*+adventitia cells and reticular fibers embedded in an amorphous substance

*elastic fibers

*endothelial cells

#79

*!Tunica mucosa of which vessels contains 50-70 vessels elastic framed membranes

*+aorta

*artery of muscular type

*brachial artery

*subclavian artery

*inferior vena cava

#80

*!The tunica media of elastic-type arteries consists mainly from

*collagen fibers

*+elastic framed membranes

*striated muscle fibers

*oxitalanic fibers

*smooth muscle cells

#81

*!Venous valves represent

*+folds of the tunica intima

*protuberances of the tunica media

*outgrowths of the tunica adventitia

*outstanding in the lumen of the vein clusters of myocytes

*outstanding in the lumen of the vein clusters of adipocytes

#82

*!Vessel, that contains significant number of smooth muscle in each tunics

*artery of muscular type

*artery of elastic type

*muscular type veins with middle development of muscle elements

*muscular type veins with strong development of muscle elements

*lymphatic capillary

#83

*!In the tunica media of musclular type arteries predominate

*collagen fibers

*elastic fibers

*reticular fibers

*oxytalanic fiber

*+smooth muscle cells

#84

*!In electron micrographs is seen transverse section of the vessel, the lumen of which is occupied by erythrocytes, and the wall consists of three layers. The first layer is represented by flattened cells, cytoplasm of which is clearly expressed micropinocytic bubbles. These cells lie on the basal membrane. The second layer is formed by basal membrane and pericytes, the third layer is the adventitia cells. What is the vessel?

*muscular type artery

*fiber type vein

*arteriole

*lymphatic capillary

*+hemocapillary

#85

*!A vessel of medium caliber with bad developed subendothelial layer, a small amount bundles of smooth muscle cells in the secondary shell and doesn’t have internal and external elastic membrane

*muscular type vein with strong development of muscle elements

*+muscular type vein with weak development of muscle elements

*muscular type vein with middle development of muscle elements

*unmuscular vein type

*artery of muscular type

#86

*!The vessel, which wall consists of endothelial cells, externally there adjacement to the basal lamina and then a thin layer of loose connective tissue, fused with surrounding tissues

*a collective of venules

*muscular venules

*+ unmuscular vein type

*capillary

*arteriole