In the patellar tendon reflex arc, the patellar ligament is stretched, which stretches the quadriceps femoris muscle of the thigh. This reflex will cause the quadriceps femoris to ________ and the hamstrings to ________
A) contract; contract
B) relax; contract
C) relax; relax
D) contract; relax
D
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Which of the following is correctly matched?
A) sympathetic: short preganglionic and long postganglionic fibers B) sympathetic: short preganglionic and short postganglionic fibers C) sympathetic: long preganglionic and short postganglionic fibers D) parasympathetic: short preganglion and long postganglionic fibers E) parasympathetic: contains only preganglionic fibers
Which type of epithelium is found lining the urinary bladder?
A) transitional epithelium B) pseudostratified columnar epithelium C) stratified columnar epithelium D) stratified cuboidal epithelium
What can we infer if we see a large number of mitochondria in a cell?
A. The cell builds a lot of cholesterol. B. The cell produces a great deal of protein. C. The cell has a great metabolic demand. D. The cell packages a great deal of proteins for secretion.
What bones meet at the lambdoid suture?
A) each temporal bone and each zygomatic bone B) the occipital bone and parietal bones C) the frontal bone and parietal bones D) each temporal bone and each parietal bone