A space opens within the inner cell mass that will form the
A) blastocoele.
B) lacunae.
C) amniotic cavity.
D) chorion.
E) allantois.
Answer: C
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The thin filaments are stabilized by being capped by __________ at one end and CapZ at the other
A) Troponin B) Tropomodulin C) Tropomyosin D) A polymer of all three Fill in the blank with the correct answer.
The major function of the arterioles is to
a. regulate flow of blood through capillary beds. b. distribute the cardiac output to tissues. c. serve as a pressure reservoir. d. convert the intermittent flow from the heart to a steady outflow. e. both (a) and (b) above.
Which of the following is not a branch of the aortic arch?
A. Left subclavian artery B. Left common carotid artery C. Right subclavian artery D. Brachiocephalic trunk E. All of these are branches of the aortic arch.
Which of the following leads to an increased risk of infection in the elderly?
A) skin breakdown and ulcers B) immune response to new microbes is less effective C) circulation is poor D) all of the above