The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on ________.
A) the location of the tissue or organ with respect to the circulatory path
B) the membrane potential of the cells of the target organ
C) the presence of the appropriate receptors on the cells of the target tissue or organ
D) nothing?all hormones of the human body are able to stimulate any and all cell types because hormones are powerful and nonspecific
C) the presence of the appropriate receptors on the cells of the target tissue or organ
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Basically, what occurs in the countercurrent multiplier process?
A) Sodium is pumped into the blood while potassium is actively transported out of the blood back into the tissues. B) A higher sodium concentration is produced in the renal medulla that osmotically draws out water, reducing it within the tubules and the urine. C) Glucose and sodium are cotransported from urine back into blood. D) Creatinine is actively transported out of the blood into urine. E) Uric acid is excreted into the kidney tubules while urea is reabsorbed in the nephron loop.
Answer the following statements true (T) or false (F)
1. Acquired reflexes develop following repeated exposure to a stimulus. 2. Visceral reflexes maintain normal upright posture. 3. The patellar reflex is also known as the "knee jerk" reflex. 4. Stretch reflexes provide automatic regulation of skeletal muscle length.
What percentage of the plasma entering the kidneys is filtered?
a. 5% b. 10% c. 15% d. 20% e. 25%
Distinguish among a first-degree, second-degree, and third-degree burn
A) A first-degree burn affects only the surface of the skin. A second-degree burn affects the whole epidermis and some of the dermis. A third-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. B) A first-degree burn affects the whole epidermis and some of the dermis. A second-degree burn affects only the surface of the skin. A third-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. C) A first-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. A second-degree burn affects the whole epidermis and some of the dermis. A third-degree burn affects only the surface of the skin. D) A first-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. A second-degree burn affects only the surface of the skin. A third-degree burn affects the whole epidermis and some of the dermis. E) A first-degree burn affects only the surface of the skin. A second-degree burn destroys the epidermis, the dermis, and extends into the subcutaneous layer. A third-degree burn affects the whole epidermis and some of the dermis.