The Human Body

A by-product of involuntary muscle contraction and relaxation is:

• heat

• nitrogen

• oxygen

• lactic acid

A patient has a blood pressure of 130/70 mm Hg. The “130” in this measurement represents:

• ventricular filling

• atrial contraction

• ventricular relaxation

• ventricular contraction

Bile is produced by the liver and concentrated and stored in the:

• pancreas

• gallbladder

• kidneys

• stomach

If a patient’s chest barely moves during inhalation, even if the patient’s respiratory rate is normal, you should suspect that:

• inspiratory reserve is increased

• expiratory reserve volume is decreased

• minute volume is decreased

• overall tidal volume is increased

Large amounts of adenosine triphosphate (ATP) are generated when:

• circulating blood glucose levels fall

• the cells function without oxygen

• the cells function with adequate oxygen

• carbon dioxide levels in the blood are high

The brain connects to the spinal cord through a large opening at the base of the skull called the:

• spinous foramen

• foramen ovale

• foramen magnum

• vertebral foramen

The central nervous system is composed of the:

• brain and spinal cord

• motor and sensory nerves

• brain and sensory nerves

• spinal cord and sensory nerves

The waste products of aerobic metabolism include:

• carbon dioxide and water

• uric acid and nitrogen

• glucose and lactic acid

• ATP and glucose

The _______________ is a muscular dome that forms the inferior boundary of the thorax, separating the thorax from the abdomen.

• mediastinum

• costal arch

• costovertebral angle

• diaphragm

Urine is transported from the kidneys to the urinary bladder via the:

• urethra

• prostate

• renal duct

• ureters