Which of the following is NOT true about the heart?
A. Knowing the heart's position is important for effective CPR.
B. The apex of the heart is directed superiorly and to the left.
C. The heart is located in the mediastinum.
D. The heart is about the size of a closed fist.
Answer: B
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Which of the following nerves is purely sensory?
A) vagus B) trochlear C) abducens D) optic E) hypoglossal
The lymphatic system is composed of all of the following except
A) the appendix. B) the venae cavae. C) the spleen. D) red bone marrow. E) lymph.
As weight is transferred through the arch system of the foot, some of the ligaments are stretched; when weight is removed from the foot, the ligaments recoil.
Indicate whether the statement is true or false.
The corpus luteum secretes the hormones estrogen and progesterone.
Answer the following statement true (T) or false (F)