The Blood
The percentage of red blood cells found in a sample of blood is called the
hematocrit
If an embolus lodges in a coronary artery, it may cause
myocardial infarction
What would the medical provider expect a patient with AIDS to have?
decreased lymphocytes
This allows the lungs to move freely in the thorax due to the secretion of a serous fluid
pleura
Mrs. Landon has been diagnosed with coronary artery disease. Her cholesterol level is high, and the licensed practitioner advised her to get more exercise and follow a low-fat diet. At her follow-up appointment, however, the licensed practitioner tests her cholesterol level and it is still unacceptably high. Which of the following medications might you expect the licensed practitioner to prescribe to help lower her cholesterol?
Lipitor
When a part of a thrombus breaks off, it is referred to as
an embolus
Which part of the cardiac conduction system receives the impulse from the SA node?
AV node
Which of these WBCs release histamine and heparin and promote inflammation?
basophils
What is the amount of air that can be forcefully inhaled after a normal inhalation called?
inspiratory reserve volume
In which condition does inflammation cause an obstruction in the tubes of the bronchial tree?
asthma
People with which blood type are universal donors?
O
Membrane that covers the heart
pericardium
Tender lymph nodes and joint pain are signs and symptoms of
chronic fatigue syndrome
This condition may occur when heart function declines and fluid fills spaces of the lungs
pulmonary edema
It is best to position a baby on its back for sleep to decrease the chance of __________. This is especially important for those known to be at risk, those with previous apneic episodes, or those who have lost a sibling.
SIDS
Tina is a 47-year-old patient who has recently begun experiencing dizziness and shortness of breath. She gets frequent headaches. After the initial exam, the practitioner orders several blood tests. The results of the tests indicate that Tina has polycythemia vera, a disease of the bone marrow that results in an abnormally high number of blood cells, especially red blood cells, causing the blood to thicken. Which of the following treatment courses would you expect the practitioner to pursue with Tina?
therapeutic phlebotomy
The __________ are small vessels that carry oxygenated blood.
arterioles
This us unique to an individual, is present on every cell in that person's body, and activates T cells
major histocompatibility complex (MHC)
This exerts control on the respiratory rhythm
medulla oblongata
What is the amount of air that remains in the lungs at all times called?
residual volume
An embolus is dangerous because it can eventually become lodged in a small artery in the
lungs
Body cells surrounding capillaries usually have a __________.
low oxygen concentration
The immunity that crosses the placenta and passes through the breast milk
naturally acquired passive
The amount of air forcefully exhaled after a normal exhalation called
expiratory reserve volume
In which disorder is airflow to the lungs limited and do the alveoli become enlarged?
COPD