Which features are described as prominent muscular ridges that extend along the inner surface of the right auricle and across the adjacent anterior wall of the right atrium?
A) chordae tendineae
B) foramina ovale
C) papillary muscles
D) pectinate muscles
E) trabeculae carneae
Ans: D) pectinate muscles
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A collection of air or gas in the thoracic cavity, as the result of a stab wound or gunshot wound to the chest describes a condition called ________
A) Pneumoconiosis B) Pneumothorax C) Bronchiectasis D) Emphysema
In the thyroid hormones T3 and T4, the 3 and 4 refer to the
A) Relative half-life (3 or 4 hours). B) Number of tyrosine molecules linked together. C) Number of iodines which are found on the hormone. D) Number of enzymes required to synthesize the hormone.
Which hormone is secreted by the heart and is the salt and water-losing hormone?
a. ANH b. aldosterone c. ADH d. insulin
A given synapse may produce EPSPs at one time and IPSPs at another time
Indicate whether the statement is true or false