The diagram illustrates accessory structures of the skin. What does "B" represent?
A. Sebaceous gland
B. Duct of eccrine sweat gland
C. Hair follicle
D. Sweat pore
E. Eccrine sweat gland
Answer: A
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The medial pathway of the indirect motor pathway consists of three groups of tracts. The one that helps to control unskilled automatic movements related to posture and maintaining balance is the
A. reticulospinal tract. B. vestibulospinal tract. C. tectospinal tract.
What types of muscles are involuntary in terms of movement?
a. cardiac and smooth b. skeletal and cardiac c. arterial and venous d. rough and smooth e. skeletal and contractile
Which of the following regulates aldosterone secretion?
a. ACTH b. Renin-angiotensin system c. Plasma K+ concentration d. Both b and c e. None of the above
Which of the following is (are) associated with the retina?
A. lens B. ciliary muscle C. pupil D. suspensory ligaments E. rods and cones