The bone of the upper arm is the

A. radius.
B. humerus.
C. ulna.
D. scapula.


Answer: B

Anatomy & Physiology

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Which feedback system structure provides input to the control center?

a) receptor b) muscle c) response d) effector e) efferent pathway

Anatomy & Physiology

The AV node is important because it

A) delays the transmission of the electrical impulses to the ventricles in order for the atria to finish contracting. B) directs electrical impulses from the ventricles to the atria. C) serves as the pacemaker in a normal heart. D) electrically opens the AV valves. E) None of these answers are correct.

Anatomy & Physiology

The primarily hydrophilic leader sequence of secretory proteins allows it to be inserted into the cisterna of the endoplasmic reticulum.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

This structure is a remnant of a fetal vessel that connected the pulmonary trunk and the aorta

A) fossa ovalis B) ductus arteriosus C) ligamentum arteriosum D) foramen ovale

Anatomy & Physiology