A ______________________ is used to control bleeding during surgery or as a sterile hand towel for the surgeon
Fill in the blank(s) with correct word
laparotomy towel
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Bone growth occurs at the metaphysis in a series of steps. Choose the number sequence that correctly orders the steps listed below.
(1) Minerals are deposited in the matrix between columns of lacunae. (2) Chondrocytes multiply and arrange themselves into longitudinal columns of flattened lacunae. (3) A region of spongy bone is produced. (4) Chondrocytes enlarge (hypertrophy) and walls between the lacunae become thin. (5) Chondrocytes die, walls between lacunae disintegrate, and osteoblasts deposit matrix. A. 1, 2, 3, 4, 5 B. 2, 5, 1, 3, 4 C. 2, 1, 4, 5, 3 D. 4, 2, 5, 1, 3 E. 2, 4, 1, 5, 3
Which portion of the brain adjusts skeletal muscle activity to maintain equilibrium and posture?
A. Pons B. Medulla oblongata C. Cerebrum D. Cerebellum E. Epithalamus
Nerve impulses involve the flow of an electrical current, a type of energy known as ________ energy
A) radiant B) mechanical C) electrical D) chemical
Which of the following statements regarding vision is FALSE?
A. The cornea refracts light rays more strongly than the lens. B. Presbyopia is a condition in which the lens cannot accommodate adequately for near vision. C. Myopia is a condition in which the lens focuses light from distant objects behind the retina. D. Cataract is an increase in opacity (clouding) of the lens. E. The image of an object that is focused on the retina is upside down relative to the object's actual position in space.