Which hormones use second-messenger systems?

a. proteins
b. catecholamines
c. steroids
d. thyroid hormone
e. Both c and d


B

Anatomy & Physiology

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The place where the optic nerve exits the eye is the

A. fovea. B. blind spot. C. ciliary body. D. lens.

Anatomy & Physiology

Three main classes of diuretic hormones have been identified in insects. Which of the following is NOT one of those classes?

A) CRF-related diuretic hormones B) Insect myokinins C) Corticotrophin-releasing factors D) Cardioacceleratory peptides

Anatomy & Physiology

Endomysium is a delicate network of loose connective tissue that

A. surrounds each muscle fiber. B. forms a sheath around a fasciculus. C. is composed of elastic fibers. D. separates individual muscles. E. penetrates muscle fibers.

Anatomy & Physiology

Which is not correct regarding growth hormone (GH)?

A. GH affects most body cells. B. GH stimulates the kidney to secrete somatomedin. C. GH is a tropic hormone. D. GH is also known as somatotropin. E. GH stimulates cell growth and mitosis.

Anatomy & Physiology