APHY 102 EXAM 3 QUESTIONS AND ANSWERS
Formed elements in the blood are
blood cells and platelets
Biconcave cells in the blood that lack nuclei when they are mature are the
Red blood cells
Which of the following is an agranulocyte
monocyte
Which is the correct sequence for differ...
APHY 102 EXAM 3 QUESTIONS AND
ANSWERS
Formed elements in the blood are
blood cells and platelets
Biconcave cells in the blood that lack nuclei when they are mature are the
Red blood cells
Which of the following is an agranulocyte
monocyte
Which is the correct sequence for differentiation of a red blood cells
hematopoietic stem cell, erythroblast, reticulocyte, erythrocyte
Vitamin B12 is poorly absorbed in the absence of
Intrinsic Factor
Which of the following formed elements releases seratonin
Platelets
The heart pumps about_____liters of blood a day and contracts about _______times a day
7,000L and 2.5 billion
The loose fitting sac around the heart is the
Fibrous pericardium
Which is the correct sequence of parts through which blood moves from vena cava to the lungs
Right atrium, tricuspid valve, right ventricle, pulmonary valve
We have an expert-written solution to this problem!
What is the inner lining of the heart
endocardium
In mitral valve prolapse, the mitral valve....
Bulges into the left atrium during ventricular contraction
which of the following is true about the heart
the apex end points downward at about the 5th intercostal space
which corrects the valve to its correct function
mitral valve permits one way blood flow from the right ventricle to the pulmonary trunk
The walls of the alveoli are composed of
, simple squamous epithelium
The frit event in inspiration is
the diaphragm moves downward and the external; intercostal muscles contract
the volume of air that enters or leaves during a single respiratory cycle is the
tidal volume
the force that moves air into the lungs during inspiration comes from
atmospheric pressure
the right leg has _______lobes and the left lung has ______lobes
Superior middles and inferior, superior and inferior
the pharynx functions as a______wheras the larynx functions as a _____
common passageway for air and food, passageway for air only
Chemoreceptors in the carotid and aortic bodies are most sensitive to changes in blood concentration
of
oxygen
What are the three parts of the pharynx
nasopharynx, oropharynx, laryngopharynx
one inspiration + one exhalation = what
respiratory cycle
what are the parts of the upper respiratory tract
nose, nasal cavity, sinuses, pharynx
parts of the lower respiratory system
larynx, trachea, bronchial tree, lungs
Boyles Law
decrease of pressure in lungs, atmospheric pressure pushes air into the lungs
Respiration consists of what following events
Ventilation, external respiration, transport of gases between lungs and body cells, internal respiration,
cellular respiration
Where does expiration come from
elastic recoil of lung tissue and abdominal organs and surface tension in the alveoli
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