A lesion in which structure would cause a person to have an erratic waking/sleeping cycle?

A. Satiety center
B. Mammillary nucleus
C. Pituitary gland
D. Suprachiasmatic nucleus
E. Medial geniculate nucleus


Answer: D

Anatomy & Physiology

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Ruby is 77 years old and can no longer control her urination. What changed in the reflex pathway that used to control her urination?

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The agglutinogens (or antigens) that determine the ABO and Rh blood types are

A. found in the cytosol of the erythrocytes. B. located in the cytosol of the leukocytes. C. part of the reticular connective tissue of the spleen. D. located on the surface of the leukocytes. E. found on the surface of erythrocytes.

Anatomy & Physiology

When does an ovum finish meiosis?

A. While in a secondary follicle B. While in a primary follicle C. While in a tertiary follicle D. During implantation E. During fertilization

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The process of bone repair includes these steps: a: Fracture hematoma formsb: Bone is remodeledc: Fibrocartilaginous callus formsd: Bony callus formsThe correct chronological order for these steps is

A. a - b - d - c B. d - a - b - c C. b - a - c - d D. a - c - d - b E. c - d - b - a

Anatomy & Physiology