Which of the following is not a characteristic of age-related changes at the tissue level?
A. injuries heal rapidly and more completely in older people
B. reduced flexibility and elasticity of connective tissue
C. arterial walls become less elastic
D. rate of red blood cell synthesis declines
E. development of atherosclerosis
A
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If the larynx is obstructed at the level of the vocal cords, an "emergency" airway access can be made below the obstruction by puncturing the membrane between the
A. hyoid bone and thyroid cartilage. B. thyroid and epiglottic cartilages. C. thyroid and cricoid cartilages. D. arytenoid and cricoid cartilages.
The primary action of the triceps brachii is ________
A) pronation of the forearm B) flexion of the fingers C) flexion of the forearm D) extension of the forearm
Erection of the penis results from ________.
A) a sympathetic reflex B) parasympathetic activation of the bulbourethral glands C) dilation of the veins in the penis D) a parasympathetic reflex
Dopamine prevents the anterior pituitary gland from secreting prolactin
Indicate whether the statement is true or false