Chapter 6 The Human Body

A by-product of involuntary muscle contraction and relaxation is:
Select one:
A. lactic acid
B. heat
C. nitrogen
D. oxygen

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A by-product of involuntary muscle contraction and relaxation is:
Select one:
A. lactic acid
B. heat
C. nitrogen
D. oxygen

B. heat

A patient has a large accumulation of blood in the sac surrounding the heart. Which type of shock would this condition cause?
Select one:
A. Neurogenic
B. Obstructive
C. Hypovolemic
D. Cardiogenic

B. Obstructive

Which of the following is NOT true of the lymphatic system?
Select one:
A. It relies on muscle movement to circulate lymph
B. It circulates oxygen, nutrients and hormones to the cells
C. Its vessels closely parallel the major arteries in the body
D. It circulates waste products of metabolism away from cells

C. Its vessels closely parallel the major arteries in the body

A patient has a blood pressure of 130/70 mm Hg. The "130" in this measurement represents:
Select one:
A. ventricular filling
B. atrial contraction
C. ventricular relaxation
D. ventricular contraction

D. ventricular contraction

The brain connects to the spinal cord through a large opening at the base of the skull called the:
Select one:
A. foramen ovale
B. foramen magnum
C. vertebral foramen
D. spinous foramen

B. foramen magnum

The central nervous system is composed of the:
Select one:
A. brain and sensory nerves
B. motor and sensory nerves
C. spinal cord and sensory nerves
D. brain and spinal cord

D. brain and spinal cord

Which organ lies in the lateral and posterior portion of the left upper quadrant of the abdomen?
Select one:
A. Spleen
B. Stomach
C. Cecum
D. Liver

A. Spleen

The waste products of aerobic metabolism include:
Select one:
A. uric acid and nitrogen
B. ATP and glucose
C. carbon dioxide and water
D. glucose and lactic acid

C. carbon dioxide and water

The ____________ is a muscular dome that forms the inferior boundary of the thorax, separating the thorax from the abdomen.
Select one:
A. diaphragm
B. mediastinum
C. costal arch
D. costovertebral angle