Which of these processes occurs during a cell's first gap (G1 ) phase?
A) The nuclear envelope breaks down.
B) The cell synthesizes the enzymes that control mitosis.
C) The chromatin condenses into visible chromosomes.
D) The cell synthesizes proteins and grows.
E) DNA is semiconservatively replicated.
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Question 2) Which glial cell is found wrapped around nerve fibers in the PNS?
A) Nodes of Ranvier
B) Schwann cells
C) Satellite cells
D) Ependymal cells
E) Oligodendrocytes
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Question 3) Where is the greatest volume of blood found in the body?
A) Capillaries
B) Veins
C) Heart
D) Arteries
E) Pulmonary circuit
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Question 4) All of the following are human organ systems except ________.
A) lymphatic
B) skeletal
C) endocrine
D) reproductive
E) epidermal
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Question 5) The stage at which chromosomes aggregate along the equator of a cell is ________.
A) prophase B) interphase C) metaphase D) telophase E) anaphase
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Question 6) The outermost wall of an artery or vein is called the ________ and in large arteries and veins contains the ________.
A) tunica intima; basement membrane
B) tunica media; smooth muscle
C) tunica intima; endothelium
D) tunica externa; vasa vasorum
E) tunica externa; valves
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Question 7) Most metabolic and regulatory functions in a neuron happen where?
A) The soma
B) The axon
C) The Schwann cell
D) The axon hillock
E) The dendrites
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Question 8) Where do most second-order somesthetic neurons synapse with third-order neurons?
A) Spinothalamic tract
B) Midbrain
C) Thalamus
D) Hypothalamus
E) Postcentral gyrus
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Question 9) The ________ belongs to the thoracic cage, whereas the ________ belongs to the pectoral girdle.
A) scapula; sternum
B) scapula; clavicle
C) vertebra T5; vertebra T1
D) sternum; clavicle
E) clavicle; sternum
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Question 10) ________ are the simplest body structures considered alive.
A) Organelles
B) Organs
C) Cells
D) Organ systems
E) Molecules
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