Indicate the statements that apply to the arrector pili

What will be an ideal response?


__X__
They consist of smooth muscle cells

__X__
They are associated with hair follicles

__X__
They extend from the dermal root sheath to the papillary layer of the dermis

_____
They extend from the root sheath to the basement membrane of the epidermis

Anatomy & Physiology

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What is a triad?

A. a protein found along the groove of the F-actin double helix B. a T tubule and two adjacent terminal cisternae C. the combination of myosin heads with active sites on actin molecules D. the movement of myosin head while attached to actin myofilament E. after exercise, the oxygen taken in that exceeds the oxygen required for resting metabolism

Anatomy & Physiology

Which of the following can be denatured?

A) enzymes B) ions C) atoms D) molecules E) isotopes

Anatomy & Physiology

What is another name for the autonomic nervous system?

A. Visceral sensory division B. Somatic sensory division C. Visceral motor division D. Somatic motor division E. Central nervous system

Anatomy & Physiology

Synergism occurs when the actions of several hormones are complementary and their combined effect is greater than the sum of their separate effects

a. True b. False Indicate whether the statement is true or false

Anatomy & Physiology