Describe a fluid shift
A) A fluid shift is a slow transfer of water from the ECF into the ICF.
B) A fluid shift is a slow transfer of water from the ICF into the ECF.
C) A fluid shift is the rapid movement of water from the ECF and ICF into the solid components in response to an osmotic gradient.
D) A fluid shift is the rapid movement of water from the solid compartments into the ECF and ICF in response to an osmotic gradient.
E) A fluid shift is the rapid movement of water between the ECF and ICF in response to an osmotic gradient.
Answer: E
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In the emergency room you examine a young boy whose was injured while trying to climb a fence. He says he hit his "bottom" hard while straddling the horizontal bar at the top of the fence
Your examination reveals that his penis and scrotum are edematous as is the lower part of his anterior abdominal wall. Only the most superior aspects of his thighs are also edematous. You suspect the boy: A) ruptured his corpus cavernosa and the swelling is due to blood. B) bruised his penis and scrotum and the swelling is due to lymph. C) ruptured his spongy urethra and the swelling is due to urine. D) ruptured his internal pudendal vein and the swelling is due to blood. E) ruptured his deep perineal pouch and the swelling is due to an inflammatory reaction resulting from the release of fluid from the bulbourethral glands.
The binding of acetylcholine to its receptor at the neuromuscular junction causes the opening of a
A) calcium channel. B) Na+ channel. C) channel for both Na+and K+. D) ryanodine receptor.
Anterior pituitary acidophil cells secrete:
a. Cortisol b. Growth hormone c. Insulin d. Luteinizing hormone e. Vasopressin
The layer of dense connective tissue that surrounds a nerve is called the:
a. epineurium b. pericardium c. myelin sheath d. cauda equina