The region of the optic nerve lacking photoreceptor cells is known as the ________.

A) retina
B) optic disc (blind spot)
C) choroid
D) iris


Answer: B) optic disc (blind spot)

Anatomy & Physiology

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The ________ reflex inhibits gastric motility.

A. gastroileal B. GIP C. GLP-1 D. ileogastric

Anatomy & Physiology

Which chemical factors in blood or cerebrospinal fluid stimulate the respiratory centers?

A) Ca2+, Na+, and K+ concentrations B) Cl-, Na+, and K+ concentrations C) pH, PO2, and PCO2 concentrations D) PO2, glucose, and lactate concentrations E) hematocrit, glucose, PO2, and PCO2 concentrations

Anatomy & Physiology

The tract that carries sensations from muscle spindles to the CNS is the __________.

posterior column anterior spinothalamic lateral spinothalamic spinocerebellar

Anatomy & Physiology

The study of body function in a disease state is

A) pathophysiology. B) microbiology. C) necrology. D) physiology. E) histology.

Anatomy & Physiology