The ________ is a remnant of an important fetal blood vessel that once linked the pulmonary and systemic circuits
A) fossa ovalis
B) ductus arteriosus
C) foramen ovale
D) ductus venosus
E) ligamentum arteriosum
E
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Which of the following is not a tropic hormone?
a. thyroid stimulating hormone b. prolactin c. adrenocorticotropic hormone d. luteinizing hormone
Which of the following describes how bones are innervated?
A) The periosteum, endosteum, medullary cavity, and epiphyses are innervated by sensory nerves. B) The periosteum and endosteum are innervated by sensory nerves. C) Only the endosteum, marrow cavity, and epiphyses are innervated. D) Bones are not innervated. E) Only the periosteum is innervated.
Endocrine glands secrete
A. hormones. B. digestive enzymes. C. saliva. D. sweat. E. All of the choices are correct.
________ is to contraction as ________ is to relaxation
A) Systole; diastole B) Diastole; systole C) Filling; relaxing