Which structure prevents the heart valves from opening the wrong way?
a. trabeculae carne
b. chordae tendineae
c. pectinate muscles
d. fossa ovalis
Answer: b. chordae tendineae
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Which of the following statements about laminar blood flow is true?
A. The innermost layer of blood moves at the lowest velocity. B. Laminar blood flow occurs when blood flows past an area of constriction. C. The outermost layer of blood experiences the greatest resistance to flow. D. In laminar blood flow, the rapid rate of blood flow exceeds critical velocity. E. It makes lots of different noises.
The nurse is preparing to admit a 7-year-old child with pulmonary edema. What clinical manifestations should the nurse expect to observe? (Select all that apply.)
a. Fever b. Bradycardia c. Diaphoresis d. Pink frothy sputum e. Respiratory crackles
Estrogen does not
a. promote fat deposition b. promote closure of the epiphyseal plates c. stimulate duct development in the breasts d. cause the cervical mucus to become thick and sticky e. enhance sperm transport to the site of fertilization by stimulating upward contractions of the uterus and oviduct.
All of the following cause abduction of the wrist EXCEPT the ________
A) extensor carpi radialis brevis B) flexor carpi radialis C) extensor carpi radialis longus D) flexor carpi ulnaris