the zygomatic bone and the superolateral angle of the mouth are the skeletal attachments for which muscle?
a) zygomaticus major
b) corrugator supercilli
c) risorius
d) depressor labii inferioris
a) zygomaticus major
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Answer the following questions true (T) or false (F)
1. The sympathetic nervous system increases cardiac output by increasing both heart rate and stroke volume. 2. The sinoatrial (SA) node fires more rapidly at higher body temperatures, increasing cardiac output. 3. When studying, you should actively read the textbook by taking notes and making diagrams.
Which of the following rodents is diurnal?
a. hamster c. mouse b. rat d. gerbil
Which of the following drains the anterior surface of the right ventricle and empties directly into the right atrium?
A) middle cardiac vein B) great cardiac vein C) anterior cardiac veins D) small cardiac vein E) posterior veins of left ventricle
The gradual increase in estrogen secretion during the follicular phase is the result of
A. declining FSH levels. B. granulosa cells converting androgens to estrogen. C. positive feedback on the anterior pituitary. D. an LH surge. E. luteal development.