Which of the following represents a class I lever system?

A. Standing on your tiptoes
B. Crossing your legs
C. Lifting weight with your arm
D. Flexion of the elbow to elevate the hand
E. Hyperextension of the head


Answer: E

Anatomy & Physiology

You might also like to view...

Explain how isometric and isotonic contractions differ, using examples of each

What will be an ideal response?

Anatomy & Physiology

If a patient is hyperventilating and has a blood sugar level of 800 mg/100 ml, what hormone should be injected for treatment?

a. aldosterone b. insulin c. glucagon d. somatostatin e. cortisol

Anatomy & Physiology

The __________ division of the ANS stimulates glycogen breakdown and the release of glucose from the liver.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Growth hormone exerts its effects on growth by

a. stimulating production of insulin-like growth factors b. directly invoking gene activity c. elevating blood glucose levels d. increasing fat metabolism e. increasing thyroid hormone levels

Anatomy & Physiology