Which of the following is true about the difference between cardiac muscle cells and skeletal muscle cells?
A) Cardiac muscle cells does not have striations like skeletal muscle cells.
B) Cardiac muscle cells does not have t-tubules.
C) Cardiac muscle cells does not have sarcomeres.
D) Cardiac muscle cells have intercalated discs where skeletal muscle cells do not.
E) Cardiac muscle cells have more nuclei in them than skeletal muscle cells.
D
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A "widow's hump" or "dowager's hump" is an exaggerated thoracic curvature that is technically called __________.
Fill in the blank(s) with the appropriate word(s).
The layer of loose connective tissue deep to the dermis is the
A) epidermis. B) subcutaneous layer. C) hyperdermis. D) deep fascia. E) reticular layer.
As a result of a stomach virus, Melly has been vomiting and has not been able to keep her meals down. Her doctor discovers that waste is moving too quickly through her large intestine. Which of the following conditions does Melly have?
A. Diarrhea B. Constipation C. Vitamin deficiency D. Nonfunctioning colon
The layer of the heart wall composed of cardiac muscle tissue is the
A. pericardium. B. pectinate muscle. C. myocardium. D. pericardial cavity. E. endocardium.