Which of the following statements using directional terminology is true?
A. The hand is distal to the elbow.
B. The lungs are medial to the heart.
C. The knee is proximal to the hip.
D. The left ear is ipsilateral to the right eye.
A. The hand is distal to the elbow.
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The molecule that serves as the major source of readily available fuel for neurons and blood cells is ________
A) glucose B) protein C) fat D) acetyl CoA
Solution 1 has two solutes (A and B) and an osmotic pressure of 250 mOsm. Solution 2 has only one solute (C) and an osmotic pressure of 300 mOsm. If a membrane between these solutions is permeable to only water and B, then
a. Solution 1 will gain water from solution 2. b. Solution 2 will gain water from solution 1. c. Some of solute C will move into solution 1. d. Solution 1 has a higher osmotic pressure. e. Solution 1 would be hypertonic to a human cell.
The glands situated around the thyroid gland that operate entirely under humoral control are represented by ________
In the cell-mediated immune response, T cells secrete ____, which activate additional components of the immune system
A. antibodies B. complement C. collagen D. cytokines E. histamine