Which of the following is NOT a multiple gene inherited disorder?
A. Cleft-lip
B. Tay-Sachs disease
C. Spina bifida
D. Hydrocephalus
Answer: B
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Which best describes the extracellular matrix?
A. It covers the body's surface, it contains connective and muscle tissue, and it helps generate movement. B. It surrounds cells; it contains proteins, polysaccharides, and minerals; it provides a scaffold for cell attachment; and it transmits chemical messengers to cells. C. It is a tissue having more than the four general cell types, it transports proteins and polysaccharides between body compartments, and it is the route by which chemical signals like hormones reach all parts of the body. D. It is found just inside the cell membrane in all tissues, it sends branching collagen fibers between cells to connect them, and it transmits chemical information from the interior of one cell to the interior of adjacent cells.
The cranial nerve that passes through the cribriform plate of the ethmoid bone is the __________ nerve
A. optic B. olfactory C. trigeminal D. oculomotor E. abducens
First-class levers ________.
A) have load at one end of the lever, fulcrum at the other, and effort applied somewhere in the middle B) are typified by tweezers or forceps C) in the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location D) are the type found in the joints forming the ball of the foot as used in raising the body on the toes
Which part of the brain functions in higher order thinking and reasoning?
a. cerebrum.
b. hypothalamus.
c. corpus callosum.
d. cerebral cortex.