Which of the following muscles is NOT a flexor of the elbow?

A) Biceps brachii
B) Brachioradialis
C) Brachialis
D) Triceps brachii
E) All of these are flexors of the elbow.

In order to be palpated to obtain the pulse, an artery must be

A) at least 1/2 inch in diameter.
B) close to the heart.
C) above the knee.
D) superficial and above the knee.
E) superficial, with firm tissue beneath it.

Which of the following structures secrete(s) an oily lubricant for the surface of the eye?

A) Ciliary body
B) Lacrimal glands
C) Conjunctiva
D) Pigmented epithelium
E) Tarsal glands

Which of the following correctly describes the elements of DNA?

A) Some regions encode proteins.
B) Some regions encode RNA.
C) Some regions bind repressors or transcription factors.
D) a and b
E) a, b, and c