What in the skin contracts when environmental temperatures decrease?

A. Arrector pili
B. Sweat glands
C. Hair
D. Sebaceous glands


Answer: A

Anatomy & Physiology

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In the diagram, which layer is the stratum corneum?

a) E b) F c) G d) H e) I

Anatomy & Physiology

The crystallization of cholesterol can lead to the development of which of the following?

A) dental caries B) gallstones C) heartburn D) GERD

Anatomy & Physiology

Which of the following articulates with the vertebral column?

A. Mastoid process B. Mandibular fossa C. Occipital condyle D. Zygomatic arch E. Foramen magnum

Anatomy & Physiology

The normal pH for urine

A. is anything below 7.0. B. is anything above 7.0 C. ranges between 4.5 and 8.0. D. ranges between 3.0 and 6.0. E. ranges between 8.0 and 9.0 for someone with a diet high in protein.

Anatomy & Physiology