Which of the following statements is true regarding the hormone secretion?
a. Hypothalamus secretes releasing hormones (e.g., TRH) that act on the posterior pituitary gland
b. Hypothalamus secretes releasing hormones (e.g., TRH) that act on the anterior pituitary gland
c. Hypothalamus secretes stimulating hormones (e.g., TSH) that act on the peripheral glands
d. Anterior pituitary gland secretes releasing hormones (e.g., TRH) that act on the peripheral glands
e. Posterior pituitary gland secretes stimulating hormones (e.g., TSH) that act on the peripheral glands
Ans: b. Hypothalamus secretes releasing hormones (e.g., TRH) that act on the anterior pituitary gland
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Which of the following does not contribute to the stability of the hip joint?
A. The shape of the acetabulum B. The iliofemoral ligament C. The round ligament (ligamentum teres) D. The pubofemoral ligament E. Ischiofemoral ligament
Which of the following is not true of the tunica interna?
A. It contains an epithelial layer of stratified squamous epithelium. B. It is the innermost layer of an artery or vein. C. It contains a basement membrane in both arteries and veins. D. It provides a smooth lining adjacent to the lumen of the blood vessel. E. All of these are true of the tunica interna.
Why are urination and defecation under voluntary control?
A. The nerves that supply external urethral and anal sphincters have varicosities. B. The external urethral and anal sphincters are innervated by the autonomic nervous system. C. The urogenital diaphragm is voluntary while the pelvic diaphragm is involuntary. D. The external and anal sphincters are composed of multi-unit muscle tissue. E. The external and anal sphincters are composed of skeletal muscle tissue.
In a(n) ____________________ feedback control system, output is regulated to resist change so that the controlled variable is kept at a relatively steady set point
Fill in the blank(s) with correct word