What produces "goose bumps"?

A. Dilation of cutaneous blood vessels
B. Secretion of sweat
C. Contraction of the arrector pili muscle
D. Flow of sebum onto the skin


Answer: C

Anatomy & Physiology

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The margin of safety is often referred to as a. the effective dose

b. the lethal dose. c. the safety parameter. d. the therapeutic index.

Anatomy & Physiology

Answer the following statement(s) true (T) or false (F)

6. Speech sounds are transcribed using brackets [ ] while phoneme values are symbolized by slanted lines or so-called virgules / /. 7. The Differential Diagnosis System can adequately be used to classify speech sound disorders. 8. Phonology is not related to the other constituents of the language system such as morphology, syntax, semantics, or pragmatics. 9. The phonetic inventory includes all the speech sounds the individual uses including their specific production features. 10. Articulation and phonological disorders never co-occur.

Anatomy & Physiology

The action of the extensor digitorum longus muscle is to __________.

A. invert the foot B. plantar flex the foot C. extend digits D. flex the digits

Anatomy & Physiology

Which of the following blood vessels directly interface with cells throughout the body?

A. Arterioles B. Capillaries C. Venules D. Veins

Anatomy & Physiology