EMT Chapter 6: Human Body

Ace your homework & exams now with Quizwiz!

The autonomic nervous system controls all of the following functions, except:

breath holding

Dead space is the portion of the respiratory system that:

contains no alveoli and does not participate in gas exchange

The ____________ is a muscular dome that separates the thorax from the abdomen.

diaphragm

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

heat

___________ pressure is the pressure exerted by a liquid that occurs when blood moves through an artery at relatively high pressures.

hydrostatic

The pelvic bones are formed by the fusion of the:

ilium, ischium, pubis

Breathing occurs as the result of a(n):

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

Trauma to the __________ lobe of the brain would likely result in visual disturbances.

occipital

The ___________ is made up of the maxilla and zygoma, as well as the frontal bone of the cranium.

orbit

The circulation of blood within an organ or tissue in adequate amounts to meet the cells' current needs is called:

perfusion

The bones that constitute the fingers and toes are called:

phalanges

Signs of adequate breathing in the adult include all of the following, except:

the reduction of tidal volume

The smooth muscles that cause the artery to contract are found in the:

tunica media

During each heartbeat, ___________ of blood is ejected from the adult heart, an amount called the stroke volume.

70 to 80 mL

Which of the following statements regarding plasma is correct?

Plasma transports the blood cells and nutrients.

Which of the following signs of respiratory distress is typically unique to infants and children?

Seesaw respirations

Which of the following statements regarding the kidneys is correct?

The kidneys eliminate toxic waste products from the body and control the body's fluid balance

Which of the following is a function of the upper airway?

Warms and humidifies inhaled air

As the bronchus divides into smaller bronchioles, the terminal ends of these smaller passages form the:

alveoli

The exchange of oxygen and nutrients for waste products of metabolism occurs at the cellular level in the:

capillaries

Mean arterial pressure (MAP) is a product of:

cardiac output and systemic vascular resistance

Which part of the central nervous system is responsible for coordinating bodily movements such as writing or sewing?

cerebellum

The artery that can be palpated on the anterior surface of the foot is the:

dorsalis pedis

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

gallbladder

The diaphragm and intercostal muscles contract during:

inhalation

What is the function of platelets?

initial formation of blood clots

The vocal cords are located in the:

larynx

The __________ fills the entire anteroposterior depth of the right upper quadrant of the abdomen.

liver

Which of the following is not a facial bone?

mastoid

Which of the following is not a function of the skin?

metabolic coordination

White blood cells, which are also called leukocytes, function by:

protecting the body from infection

Which of the following arteries does not carry highly oxygenated blood?

pulmonary

Which of the following conditions would affect the "Q" portion of the V/Q ratio?

pulmonary embolism

The primary function of the right atrium is to:

receive blood from the vena cava

Your ability to remain awake is a function of the:

reticular activating system

The ___________ portion of the spinal column is joined to the iliac bones of the pelvis.

sacrum

The large, flat, triangular bone that overlies the posterior thoracic wall is called the:

scapula

Which of the following structures does not contain smooth muscle?

skeletal system

Activities such as walking, talking, and writing are regulated by the:

somatic nervous system

Worn-out blood cells, foreign substances, and bacteria are filtered from the blood by the:

spleen

The central nervous system is composed of the:

the brain and spinal cord

The inferior cartilaginous tip of the sternum is called the:

xiphoid process


Related study sets

Module 33- Oligopoly in Practice

View Set

Chapter 11 MGH: Aggregate Supply & Demand

View Set

PSYC420 - Abnormal Psychology Final

View Set

Unit 4 - Assessment Ch. 18, 19, 20

View Set

Honors U.S. and V.A. History Leib Midterm- Ch. 1 Test Answers

View Set