The scapula is part of the ________ girdle.
Fill in the blank(s) with the appropriate word(s).
pectoral
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If the lens flattened with age, what type of vision would become easier over time for this individual?
A. No light will enter the eye and blindness will result B. Both near and distance vision are fine, but changing back and forth between them becomes difficult C. Distance vision (e.g., reading a street sign) D. Near vision (e.g., reading a book) E. Both near and distance vision are compromised
Which of the following statements concerning the length-tension relationship is incorrect?
a. It refers to the relationship between the length of the muscle before the onset of contraction and the tetanic tension that each contracting fiber can subsequently develop at that length. b. it is based on the amount of overlap of thick and thin filaments. c. it allows no tension development if the whole muscle is stretched to 30% longer than its optimal length. d. within the body, it is limited to a functional range because of limitations on muscle length imposed by attachment to the skeleton. e. none of these answers.
You would like to see what infections a patient has been fighting recently; one way to do this is to isolate cytotoxic T cells and look into their phagosomes to see what pathogens they have been engulfing through phagocytosis.
Answer the following statement true (T) or false (F)
Which neuroglial cell helps form the blood-brain barrier?
A) ependymal cell B) satellite cell C) astrocyte D) oligodendrocyte