A respiratory bronchiole can be distinguished from a terminal bronchiole by ________
A) the loss of cartilage rings that are seen in the terminal bronchioles
B) the total loss of smooth muscle in its walls
C) the absence of an epithelium lining it
D) the alveoli that first appear on the respiratory bronchioles
Answer: D
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On spring break you travel to Malibu, California. While there, you visit the famous Malibu beach to observe the parade of body builders. They each show off their massive muscles with the standard "pump you up" arm flexion. Which muscle would be least involved with this action?
A. Brachioradialis B. Biceps brachii C. Pronator teres D. Brachialis E. Supraspinatus
Which of the following are heat receptors?
A. Lamellar corpuscles B. Krause end bulbs C. Ruffini corpuscles D. Tactile (Merkel) discs E. Free nerve endings
Ventral is a directional term synonymous with ________ in humans
A) posterior B) dorsal C) anterior D) medial
Nonsteroid hormones ________ pass across the plasma membrane; they cause the target cells to ________ that produce the characteristic effects of the hormones.
A. can; synthesize specific proteins B. cannot; activate or inactivate the cellular enzymes C. can; activate or inactivate the cellular enzymes D. cannot; synthesize specific proteins