What prevents the trachea from collapsing?
A. The internal air pressure within the trachea
B. The C-shaped cartilaginous rings
C. The surrounding muscles
D. The internal epithelium
Answer: B
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The triangle of auscultation, commonly used to hear sounds of respiratory organs, is located near the border of the
A. pectoralis major and pectoralis minor. B. latissimus dorsi and serratus anterior. C. pectoralis major and serratus anterior. D. trapezius and latissimus dorsi.
During female sexual excitement, the mammary glands, clitoris, and labia become engorged with blood
Indicate whether this statement is true or false.
Monoclonal antibodies are used in blood typing, HIV testing, and as anticoagulants.
Answer the following statement true (T) or false (F)