Heart anatomy

Descrição

Medicine Quiz sobre Heart anatomy, criado por Michail-Angelos Kaplanis em 07-12-2017.
Michail-Angelos Kaplanis
Quiz por Michail-Angelos Kaplanis, atualizado more than 1 year ago
Michail-Angelos Kaplanis
Criado por Michail-Angelos Kaplanis quase 7 anos atrás
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Resumo de Recurso

Questão 1

Responda
  • pericardial cavity
  • fibrous pericardium
  • parietal serous pericardium
  • visceral serous pericardium
  • pericardial sac
  • epicardium
  • endocardium
  • myocardium

Questão 2

Questão
Functions of pericardium
Responda
  • Facilitation of secure intrathoracic cardiac stability
  • Friction reduction between heart & the mediastinum structures
  • Nutrition of the heart
  • Limitation of cardiac distention and chamber dilation
  • Uniform cardiac distribution of pericardial cavity hydrostatic pressure
  • Formation of a barrier to stop infection
  • Facilitation of atrial filling by promoting negative pericardial pressure during ventricular systole
  • (pericardium + pleural fluid): formation of a system that automatically applies compensating hydrostatic pressures to the cardiac periphery when accelerating forces act

Questão 3

Questão
The thickness of the pericardium is [blank_start]1-2 mm[blank_end].
Responda
  • 1-2 mm

Questão 4

Questão
Fibrous pericardium
Responda
  • made up from tough connective tissue
  • thick
  • thin
  • stong
  • fragile
  • composed mainly of three collagen layers, cross-woven at 150° to each other

Questão 5

Questão
Pericardial relationships Anteriorly: [blank_start]lungs[blank_end] + [blank_start]pleura coverings[blank_end] Laterally: [blank_start]pleural coverings[blank_end] of the mediastinal surfaces of the lungs Superiorly: [blank_start]diaphragm[blank_end]
Responda
  • lungs
  • pleura coverings
  • pleural coverings
  • diaphragm

Questão 6

Questão
Visceral layer of serous pericardium = [blank_start]epicardium[blank_end]
Responda
  • epicardium

Questão 7

Questão
The heart is located in the .... mediastinum.
Responda
  • posterior
  • anterior
  • middle
  • superior

Questão 8

Questão
Fill in the gaps of the surfaces and of the margin/borders.
Responda
  • right pulmonary surface
  • left pulmonary surface
  • diaphragmatic surface
  • sternocostal surface
  • base
  • apex
  • acute margin
  • obtuse margin

Questão 9

Questão
An average adult heart is [blank_start]12[blank_end] cm from base to apex, [blank_start]8–9[blank_end] cm at its broadest transverse diameter and [blank_start]6[blank_end] cm anteroposteriorly. Its weight varies from [blank_start]280 to 340 g (average 300 g)[blank_end] in males and from [blank_start]230 to 280 g (average 250 g)[blank_end] in females
Responda
  • 14
  • 12
  • 10
  • 6
  • 9-12
  • 6-8
  • 8-9
  • 7-9
  • 4
  • 6
  • 8
  • 7-10
  • 280 to 340 g (average 300 g)
  • 230 to 280 g (average 250 g)
  • 200 to 240 g (average 220 g)
  • 230 to 280 g (average 220 g)
  • 280 to 340 g (average 300 g)
  • 180 to 240 g (average 200 g)
  • 230 to 280 g (average 250 g)

Questão 10

Questão
Adult weight is achieved between the ages of [blank_start]17[blank_end] and [blank_start]20[blank_end] years. The heart reaches 50% of its adult dimensions [blank_start]at birth[blank_end], 75% by [blank_start]5[blank_end] years and 90% by [blank_start]12[blank_end] years
Responda
  • 17
  • 20
  • at birth
  • 5
  • 12

Questão 11

Questão
-The extensive [blank_start]interatrial groove (of Waterston)[blank_end] separates the two atria. -The [blank_start]atrio- ventricular (coronary) groove[blank_end] separates the atria from the ventricles and contains the main trunks of the coronary arteries. -Internally, the ventricles are separated by the septum; its mural margins correspond to the ante- rior and inferior (diaphragmatic) [blank_start]interventricular grooves[blank_end].
Responda
  • interventricular grooves
  • atrio- ventricular (coronary) groove
  • interatrial groove (of Waterston)

Questão 12

Questão
The apex of the heart is located most commonly behind the [blank_start]fifth left[blank_end] intercostal space, near or a little medial to the [blank_start]midclavicular line[blank_end].
Responda
  • fifth left
  • midclavicular line

Questão 13

Questão
The diaphragmatic surface of the heart rests mainly on the [blank_start]central tendon[blank_end] but also, apically, on a small area of the left muscular part of the diaphragm.
Responda
  • central tendon

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