EMT Chapter 6 JBL Vocab/Quiz Questions

Large amounts of adenosine triphosphate (ATP) are generated when: Select one: A. the cells function with adequate oxygen. B. the cells function without oxygen. C. carbon dioxide levels in the blood are high. D. circulating blood glucose levels fall.

A. the cells function with adequate oxygen.

The average adult has approximately ___________ of blood in his or her vascular system. Select one: A. 6 L B. 3 L C. 4 L D. 5 L

A. 6 L

During each heartbeat, ___________ of blood is ejected from the adult heart, an amount called the stroke volume. Select one: A. 70 to 80 mL B. 90 to 100 mL C. 100 to 120 mL D. 40 to 50 mL

A. 70 to 80 mL

___________ pressure is the pressure exerted by a liquid that occurs when blood moves through an artery at relatively high pressures. A. Hydrostatic B. Osmotic C. Diffusion D. Oncotic

A. Hydrostatic

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. Obstructive B. Hypovolemic C. Cardiogenic D. Neurogenic

A. Obstructive

What is the function of the fallopian tubes? Select one: A. To transport a mature egg to the uterus B. To produce progesterone and estrogen C. To supply blood to the uterine lining D. To connect the ovaries

A. To transport a mature egg to the uterus

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

A. 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

A. diaphragm

Oxygen and carbon dioxide pass across the alveolar membrane in the lungs through a process called: Select one: A. diffusion. B. osmosis. C. breathing. D. ventilation.

A. diffusion.

Pathophysiology is the study of the functional changes that occur when the body reacts to a particular: Select one: A. disease. B. medication. C. assessment. D. protocol.

A. disease.

The artery that can be palpated on the anterior surface of the foot is the: Select one: A. dorsalis pedis. B. anterior tibial. C. ventral pedis. D. posterior tibial.

A. dorsalis pedis.

The body's backup system of respiratory control, which is based on low concentrations of oxygen in the blood, is called the: Select one: A. hypoxic drive. B. hypocarbic drive. C. oxyhemoglobin drive. D. pneumotaxic drive.

A. hypoxic drive.

If a patient's chest barely moves during inhalation, even if the patient's respiratory rate is normal, you should suspect that: Select one: A. minute volume is decreased. B. expiratory reserve volume is decreased. C. overall tidal volume is increased. D. inspiratory reserve is increased.

A. minute volume is decreased.

Which of the following systems is responsible for releasing hormones that regulate body activities? Select one: A. Skeletal B. Endocrine C. Nervous D. Reproductive

B. Endocrine

As the bronchus divides into smaller bronchioles, the terminal ends of these smaller passages form the: Select one: A. bronchi. B. alveoli. C. capillaries. D. pleura.

B. alveoli.

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

B. brain and spinal cord.

Dead space is the portion of the respiratory system that: Select one: A. receives oxygen but is unable to release carbon dioxide. B. contains no alveoli and does not participate in gas exchange. C. includes the alveoli and capillaries surrounding the alveoli. D. must be filled with air before gas exchange can take place.

B. contains no alveoli and does not participate in gas exchange.

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. spinous foramen. D. vertebral foramen.

B. foramen magnum.

Bile is produced by the liver and concentrated and stored in the: Select one: A. kidneys. B. gallbladder. C. stomach. D. pancreas.

B. gallbladder.

The ___________ is made up of the maxilla and zygoma, as well as the frontal bone of the cranium. Select one: A. occiput B. orbit C. mastoid D. sphenoid

B. orbit

Which of the following is NOT a function of the skin? Select one: A. Temperature regulation B. Pressure and pain perception C. Metabolic coordination D. Sensory reception

C. Metabolic coordination

What happens when blood volume is lost from the body? Select one: A. Widespread vasodilation causes blood pressure to decrease. B. The veins dilate to increase systemic perfusion. C. The arteries contract to increase the blood pressure. D. Arterial blood is diverted to the skin and muscles.

C. The arteries contract to increase the blood pressure.

Stimulation of alpha-adrenergic receptors results in: Select one: A. dilation of the blood vessels. B. increased heart rate. C. constriction of the blood vessels. D. increased cardiac contractility.

C. constriction of the blood vessels.

Urine is transported from the kidneys to the urinary bladder via the: Select one: A. urethra. B. prostate. C. renal duct. D. ureters.

D. ureters.

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 contraction. D. ventricular relaxation.

C. ventricular contraction.

All critical life functions are coordinated in which part of the brain? Select one: A. Cerebrum B. Cerebellum C. Gray matter D. Brain stem

D. Brain stem

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 waste products of metabolism away from cells. C. It circulates oxygen, nutrients and hormones to the cells. D. Its vessels closely parallel the major arteries in the body.

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

Which of the following structures does NOT contain smooth muscle? Select one: A. Blood vessels B. Urinary system C. Gastrointestinal tract D. Skeletal system

D. Skeletal system

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

D. Spleen

Bile is produced by the liver and concentrated and stored in the: Select one: A. pancreas. B. kidneys. C. stomach. D. gallbladder.

D. gallbladder.

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

D. heat.

Breathing occurs as the result of a(n): Select one: A. decrease in carbon dioxide, which increases the pH of the cerebrospinal fluid. B. decrease in oxygen, which increases the pH of the cerebrospinal fluid. C. increase in oxygen, which decreases the pH of the cerebrospinal fluid. D. increase in carbon dioxide, which decreases the pH of the cerebrospinal fluid.

D. increase in carbon dioxide, which decreases the pH of the cerebrospinal fluid.

The __________ fills the entire anteroposterior depth of the right upper quadrant of the abdomen. Select one: A. pancreas B. spleen C. stomach D. liver

D. liver

The ___________ portion of the spinal column is joined to the iliac bones of the pelvis. Select one: A. coccyx B. lumbar C. thoracic D. sacrum

D. sacrum

Cardiac output (CO) is affected by: Select one: A. heart rate only. B. blood pressure. C. stroke volume only. D. stroke volume and heart rate.

D. stroke volume and heart rate.