Where is the origin of the frontalis muscle?
A) frontal bone B) epicranial aponeurosis
C) occipital bone D) mandible
Answer: B
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The plane that separates the abdominal and the pelvic cavities is
A) the mediastinum. B) sagittal on the brachium. C) transverse at the hips. D) midsagittal on the trunk. E) superior to the thorax.
Vasoconstriction:
A. decreases peripheral resistance B. increases arterial blood pressure C. is caused by relaxation of smooth muscle in the blood vessel walls D. decreases cardiac output
Which of the following contain red bone marrow in the adult skeleton?
A. The tibia and fibula B. The radius and ulna C. The proximal epiphyses of the femurs D. The phalanges of the hands and feet E. None of these structures contain red bone marrow in the adult skeleton.
A _______ (high or low?) level of CO2 in local airways causes dilation of those airways, and a ______ (high or low?) level of O2 in pulmonary arterioles causes dilation of those arterioles
Fill in the blank(s) with correct word