Muscles can be classified by their shape and fascicle orientation. Which shape has the muscle fibers that run the length of the muscle and taper at each end?
A.
Pennate
B.
Multipennate
C.
Circular
D.
Fusiform
D
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"Booster" shots are required following certain vaccinations because the memory B-lymphocytes produced in response to the initial vaccination don't survive indefinitely.
Answer the following statement true (T) or false (F)
If a fetus does not get enough calcium in the mother's diet, the fetus ________
A) Gets it from the mother's bones and teeth, weakening them B) Gets it from converting other nutrients C) Does not get enough calcium and may not develop properly because of the lack D) Breaks down his/her own bones that had developed so far
Football players often sustain lateral blows to the extended knee. Which of the following is (are) damaged as a result?
A) tibial collateral ligament, medial meniscus, and anterior cruciate ligament B) arcuate popliteal and the posterior cruciate ligaments C) suprapatellar ligament D) oblique popliteal and extracapsular ligaments
Fertilization of an ovum usually takes place in the
A) ovary itself. B) uterine tube. C) uterus. D) cervix. E) vagina.