Cardiovascular System
Which of the following keeps the heart rate relatively low?
parasympathetic nerve stimulation
Which of the following types of immunity crosses the placenta and passes through the breast milk?
naturally acquired passive
Which of the following are characteristics of epinephrine?
It constricts blood vessels and prolongs the action of the local anesthetic.
Which of the following allow the lungs to move freely in the thorax due to the secretion of a serous fluid?
pleura
The percentage of red blood cells found in a sample of blood is called the
hematocrit
Which of following is a membrane that covers the heart?
pericardium
If lymph cannot be pushed through the vessels, what happens?
edema develops
A small amount of tissue removed from the body for examination under a microscope is a(n) _____
biopsy specimen
Which of the following extend(s) from the lateral walls of the nasal cavity?
nasal conchae
If an embolus lodges in a coronary artery, it may cause __
myocardial infarction
Which of the following results in an increased blood pressure?
increased cardiac output
Which type of immunity requires injection with an antibody?
rtificially acquired passive
The proliferation phase of healing is characterized by ___
the development of new tissue
What is the amount of air that remains in the lungs at all times called?
residual volume
Which of these WBCs release histamine and heparin and promote inflammation?
basophils
Which of the following does not cause an increase in the heart rate?
parasympathetic nerve stimulation
Which of the following are signs or symptoms of chronic fatigue syndrome?
tender lymph nodes and joint pain
Which of the following uses an intense beam of light to cut away tissue?
laser surgery
______ is a blockage in an artery in the lungs and is frequently the result of immobility
pulmonary embolism
Red blood cells live for approximately ______
four months
Which arteries supply blood to the rib area?
intercostals
Which of the following is unique to an individual, is present on every cell in that person's body, and activates T cells?
major histocompatibility complex (MHC)
Which surgical instruments are used to explore wounds or body cavities and to locate or clear blockages?
probes
In which disorder is airflow to the lungs limited and do the alveoli become enlarged?
COPD
When a part of a thrombus breaks off, it is referred to as __________.
an embolus