Which of the following are true regarding nails? Select all that apply.

A. They are derived from the stratum corneum.
B. The eponychium is also called the cuticle.
C. Nails are hard due to keratin.
D. The growth zone is called the nail plate.


Answer: C

Anatomy & Physiology

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For many reflexes, including the stretch reflex, the excitation of a muscle leads to

A.  excitation of all motorneurons that are contralateral. B.  inhibition of motor neurons of its  antagonist. C.  inhibition of motor neurons of its  synergist. D.  excitation of motor neurons of the antagonist. E.  inhibition of sensory neurons that initiate the reflex.

Anatomy & Physiology

Which genetic disorder results in an infant being born without a functional immune system?

A. Acquired immunodeficiency syndrome B. Human immunodeficiency virus C. Lymphoma D. Severe combined immunodeficiency syndrome E. Elephantiasis

Anatomy & Physiology

Which glands open into the lower vagina and provide most of the lubrication for intercourse?

A. Paraurethral glands B. Prostate glands C. Greater vestibular glands D. Endometrial glands E. Areolar glands

Anatomy & Physiology

The molecules that can cause the body to produce antibodies are called

a. complements b. antibodies c. antigens d. interleukins e. interferons

Anatomy & Physiology