John M Lab Practical 1

The heart wall has 3 distinct layers which are?

epicardium, myocardium, endocardium

Epicardium is?

outer layer also called visceral pericardium and it is thin

Myocardium is?

middle layer composed of cardiac muscle tissue and is the thickest layer

Endocardium is?

inner layer and it forms the inner lining of all heart chambers and is also thin

Heart and great vessels are located in what area?

mediastinum

Fibrous pericardium is?

really tough

Erythrocyte does not have a what?

nucleus shape

Neutrophil has what kind of shape for nucleus?

multilobed

Eosinophil is what type of nucleus shape?

Bi lobed

Basophil is what kind of nucleus shape?

bi lobed but obscure

Lymphocyte has what kind of nucleus shape?

large spherical

Monocyte what nucleus shape?

U shaped nuclei

Platelet does not have what?

nucleus

Eosinophil looks like what character?

pacman

What is the function of erythrocyte?

transport o2 and co2

Neutrophil function?

phagocytes quick response

Eosinophil function?

anti histamine antiinflammatory and combat parasitic worm

Basophil function?

increase inflammatory response

Lymphocyte function?

immune response

Monocyte function?

phagocytes

Platelet function?

blood clotting

Differential white blood cell count is determining?

percent of each white blood cell in sample

An elevation of certain white blood cells can be a clue to?

type of illness

Complete blood count is the number of?

total white blood cells

Too much of eosinophils can cause someone to have eosinophilia which is a condition that damages?

damages tissues because of accumulation of eosinophils in body (asthma for example)

The larynx is the passageway for what?

connects larngopharynx with trachea

What are the cartilages that give support ot the larynx?

thyroid and cricoid

The epiglottis does what?

moves to cover larynx airway during swallowing, routing flood and liquids into esophagus

The glottis is the opening with two mucous membrane folds which are?

ventricular folds and vocal folds

Ventricular folds do what?

hold breath and do not produce sounds

Vocal folds do what?

vibrate to produce sounds and pitch changes with tension

The respiratory system consists of two parts?

upper and lower respiratory tracts

Upper tract include the?

nose, pharynx, glottis

Lower tract includes?

inferior of trachea, bronchi, lungs

Tubes form the nasal cavity to the alveoli:

Trachea hyaline cartilage

Small brachioloes no hyaline but smooth muscle

Simple squamous epithelium is found in?

lung tissue