Define COPD and the two primary problems with airflow.
What will be an ideal response?
Chronic obstructive pulmonary disease (COPD) is a progressive disease that limits airflow through either inflammation of the lining of the bronchial tubes (bronchitis) or destruction of alveoli (emphysema).
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Which lipoprotein primarily transports cholesterol in the blood?
a. Chylomicron b. Low-density lipoprotein c. High-density lipoprotein d. Very low-density lipoprotein e. Very high density lipoprotein
Which of the following does NOT function as an enzyme co-factor?
a. manganese b. copper c. selenium d. iodine
What is a blastocyst?
a. The 5-day-old zygote that becomes implanted in the uterine wall b. The terminal end of the umbilical cord that attaches to the placenta c. Fingerlike projections on the uterine wall that act to separate fetal from maternal tissues d. The network of placental blood vessels that exchanges nutrients and waste products from mother to fetus
Which of the following substances is characterized by its ability to move freely and adapt to the
shape of the vessel that contains it? A) an electrolyte B) a fluid C) an ion D) a diuretic