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Which of the following is a "normal" range for fasting blood glucose levels?
80-110 mg per 100 mL of blood
A chemical substance that prevents a sharp change in the pH of a fluid when an acid or base is added to it:
The openings of the ureters and the urethra in the urinary bladder is a triangular region called:
The nucleus of a sperm cell is covered by a specialized structure that has lytic enzymes that are capable of penetrating the ova. This structure is the:
Which of the following help to regulate the amount of urine excreted?
a, b and c
atrial natriuretic hormone
True/false The virus that causes German measles (rubella) can easily pass through the placental "barrier
What gland secretes sodium bicarbonate to help neutralize the acidity of the gastric juice that enters the intestines?
Which of the following are involved in the formation of urine?
a, b, and c
Emphysema reduces the oxygenation of blood, leading to hypoxia and excessive carbon dioxide in the blood. This is an example of
True/false If fluid intake equals fluid output, then the total amount of water in the body will not change.
A single layer of squamous epithelial cells lining the inner surface of the circulatory system:
True/false Phagocytes are cells that are capable of ingesting foreign substances and organisms for their destruction.
True/false Polycythemia may increase blood viscosity (thickness) due to an increase in red blood cells and that may put a person at risk for stroke or myocardial infarction
True/false Blood pressure may decrease with increased heart rate because less blood may be pumped into the systemic circulation.
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