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standardized uptake value

ABBR: SUV. In PET scanning, the amount of detected radiation (in milliCuries/mL) divided by the grams of tracer injected into the body.

standard precautions

SEE: precautions, standard.

standard survey (of nursing home care)

A regularly scheduled, on-site federal investigation of the quality of care provided in a nursing home. The survey assesses compliance with rules promulgated by Medicaid and Medicare.

standard temperature and pressure, dry

ABBR: STPD. Gas volume at 0°C, 760 mm Hg total pressure, and partial pressure of water of zero, i.e., dry.

stand-by assistance

Help provided to a person who cannot complete an activity of daily living on his own, e.g., the prevention of falls and injuries.

standing, impaired

Limitation of ability to independently and purposefully attain and/or maintain the body in an upright position from feet to head. SEE: Nursing Diagnoses Appendix.

standing orders

SEE: under order.


(stand′stil″) A cessation of activity.

atrial s. Cessation of atrial contractions.

cardiac s. Cessation of contractions of the heart.

inspiratory s. The temporary cessation of inspiration normally following each inspiration, resulting from stimulation of proprioceptors in the alveoli of the lungs. SEE: Hering-Breuer reflex.

respiratory s. Cessation of respiratory movements.

ventricular s. Cessation of ventricular contractions.

Stanford-Binet IQ test

(stan′fŏ rd-bĭ-nā′) [Alfred Binet, Fr. psychologist, 1857–1911; Stanford University, where the original test was revised by the U.S. psychologist Louis Madison Terman in 1916] A commonly used test of cognitive abilities. It assesses verbal and nonverbal reasoning by subtests that assess a person’s language fluency, three-dimensional thought processes, and pattern recognition skills. The test was first used in the late 1800s as an approximate means of classifying and comparing intellectual function in broad groups of people. It has been revised many times since then and is used for a variety of purposes, including the classification of military recruits and the assessment of individuals thought to have subnormal intelligence.


(stan′ik) [stannum + -ic] In chemistry, pert. to or containing tetravalent tin.


(stan′ŭs) [stannum + -ous] In chemistry, pert. to or containing divalent tin.


(stan′ŭm) [L. stannum, stagnum, alloy of silver and lead, tin] SYMB: Sn. Tin.


(stan′ŏ-zō-lol″) An anabolic steroid.


(stā″pĕ-dek′tŏ-mē) [stapes + -ectomy] ...

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