In a 2-percent aqueous solution of some salt, water makes up the remaining ________ percent.

1) B
Explanation:
A) Water would make up less than 100 percent.
C) Water would make up more than 90 percent
D) Water would make up more than 2 percent.

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2) A
Explanation:
A) The cisterna chyli (3 ) receives lymph from the lymphatic ducts of the hindlimbs, pelvis, and abdomen drain. The cisterna chyli carries lymph to the thoracic duct (2 ), which then empties into the external jugular vein (1 ).
B) The cisterna chyli (3 ) receives lymph from the lymphatic ducts of the hindlimbs, pelvis, and abdomen drain. The cisterna chyli carries lymph to the thoracic duct (2 ), which then empties into the external jugular vein (1 ).
C) The right lymphatic duct (5 ) drains into the external jugular vein where the vein empties into the right subclavian vein. The right lymphatic duct drains lymph from the right forelimb and from the right side of the chest, neck, and head.
D) The right lymphatic duct (5 ) drains into the external jugular vein where the vein empties into the right subclavian vein. The right lymphatic duct drains lymph from the right forelimb and from the right side of the chest, neck, and head.
E) The right lymphatic duct (5 ) drains into the external jugular vein where the vein empties into the right subclavian vein. The right lymphatic duct drains lymph from the right forelimb and from the right side of the chest, neck, and head.

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3) C
Explanation:
A) Active transport is the movement of larger molecules with a carrier protein against their concentration gradient.
B) Diffusion is the net movement of substances from a region of greater concentration to a region of lesser concentration.
D) One of the listed responses is correct.

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4) B
Explanation:
A) The letter A is marking the mandibular lymph nodes.
C) Letter C is marking the axillary lymph nodes.

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5) A
Explanation:
B) Chief cells stain a pale color when prepared with histological stains.
C) C cells are found in the thyroid gland.
D) Follicular cells are found in the thyroid gland.

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6) C
Explanation:
A) Lipid-soluble molecules can diffuse through the membrane.
B) Water can diffuse through the membrane.
D) Small water-soluble ions can diffuse through the membrane.

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7) B
Explanation:
A) Calcitonin does decrease calcium levels.
C) Calcitonin does stimulate osteoblasts to store calcium.
D) Calcitonin does inhibit osteoclasts.

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8) B
Explanation:
A) Follicle cells do not produce CT.
C) Pituicytes are cells found in the pituitary gland.
D) Chromophils are found in the pituitary gland.

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9) C
Explanation:
A) The net movement of water through a selectively permeable membrane is osmosis.
B) Diffusion is the net movement of substances from a region of greater concentration to one of lesser concentration.
D) Diffusion is the net movement of substances from a region of greater concentration to one of lesser concentration.

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10) C
Explanation:
A) Along the lateral wall of the arches between the mouth and pharynx is a pair of small and round palatine tonsils. As in humans, the feline tonsils are lymphatic organs that contain lymphocytes to help fight infection.
B) Along the lateral wall of the arches between the mouth and pharynx is a pair of small and round palatine tonsils. As in humans, the feline tonsils are lymphatic organs that contain lymphocytes to help fight infection.

Cat Dissection Exercise 5: Post-Lab Questions

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