HW 7 Anatomy (Chs. 13, 14, 23) FA15

The spread of depolarization from the sinoatrial (SA) node through the two atria is recorded on an electrocardiogram (ECG) as the P wave U wave T wave QRS wave

P wave

The superior mesenteric artery branches from the ascending aorta abdominal aorta arch of the aorta thoracic aorta

abdominal aorta

Each tertiary bronchus supplies a region of a lung called a/an _____. lobe alveolar sac bronchopulmonary segment lobule

bronchopulmonary segment

The thinnest-walled blood vessels in the body are: veins. venules. capillaries. arterioles.

capillaries

Which vessel does NOT supply blood to the wall of the right ventricle? anterior interventricular branch circumflex branch posterior interventricular branch marginal branch

circumflex branch

Which portion of the pericardium prevents overstretching of the heart, provides protection, and anchors the heart in the mediastinum? fibrous pericardium parietal layer of serous pericardium visceral layer of serous pericardium epicardium pericardial cavity

fibrous pericardium

The external iliac vein is formed by the union of the _____ vein and the _____vein. great saphenous; femoral popliteal; great saphenous femoral; internal iliac internal jugular; subclavian

great saphenous; femoral

Which of the following is NOT a part of the hepatic portal system? splenic vein superior mesenteric vein hepatic veins inferior mesenteric vein

hepatic veins

Elastic arteries: restrict blood flow due to the force needed to stretch their walls. are also called distributing arteries. include the largest diameter arteries in the body. are medium-sized arteries.

include the largest diameter arteries in the body

Venous blood from the buttocks, urinary bladder, uterus, and prostate gland is returned via the femoral vein great saphenous vein external iliac vein internal iliac vein

internal iliac vein

Which of the choices listed below is FALSE for the nasopharynx? lined with pseudostratified ciliated columnar epithelium is the superior portion of the pharynx has openings that lead to the auditory (eustachian) tubes is lined with stratified squamous epithelium moves dust-laden mucus down the pharynx

is lined with stratified squamous epithelium

Which of the following contain papillary muscles? left atrium only left and right atria left ventricle only left and right ventricles right ventricle only

left and right ventricles

The thoracic aorta supplies all of the following areas EXCEPT the pericardium bronchi of lungs superior and posterior surfaces of the diaphragm esophagus liver

liver

The auditory (eustachian) tubes open into the _____ portion of the throat. hypopharynx laryngopharynx oropharynx nasopharynx

nasopharynx

Which artery can be palpated inferior to the hamstring tendons, superior to the heads of the gastrocnemius muscle and deep posterior to the patella? iliac popliteal inguinal dorsalis pedis

popliteal

The _____ is/are the first portion(s) of the respiratory tract to enter lung tissue. primary bronchi secondary (lobar) bronchi trachea tertiary (segmental) bronchi

primary bronchi

What is the correct route that a drop of blood would follow as it flows through the following vessels? 1. ulnar vein 2. palmar venous arch 3. brachial vein 4. subclavian vein 5. axillary vein 6. brachiocephalic vein 2, 1, 3, 5, 4, 6 6, 5, 4, 3, 1, 2 2, 3, 1, 5, 4, 6 2, 1, 3, 4, 5, 6

2, 1, 3, 5, 4, 6

There are four valves in the heart: 1 bicuspid (mitral) 2 tricuspid 3 pulmonary semilunar 4 aortic semilunar What is the correct order in which blood flows through these valves, starting in the right atrium? 2, 4, 1, 3 1, 4, 2, 3 2, 3, 1, 4 1, 3, 2, 4

2, 3, 1, 4

What is the correct route that a drop of blood would follow as it flows through the following vessels? 1. superior vena cava 2. internal jugular vein 3. sigmoid sinuses 4. subclavian vein 5. brachiocephalic vein 3, 2, 5, 4, 1 3, 2, 4, 5, 1 1, 2, 5, 3, 4 2, 3, 1, 4, 5

3, 2, 4, 5, 1

Which of the following transports oxygenated (oxygen-rich) blood? pulmonary trunk superior vena cava right ventricle pulmonary veins pulmonary arteries

pulmonary veins

The brachiocephalic trunk gives rise directly to the left vertebral artery right internal carotid artery left subclavian artery right subclavian artery

right subclavian artery

Which of the following correctly lists the flow of deoxygenated blood through the heart? superior and inferior vena cava; right atrium; bicuspid valve; right ventricle; pulmonary vein superior and inferior vena cava; right ventricle; bicuspid valve, right atrium; pulmonary artery superior and inferior vena cava; right atrium; tricuspid valve; right ventricle; pulmonary artery superior and inferior vena cava; right atrium; pulmonary valve; right ventricle; pulmonary vein

superior and inferior vena cava; right atrium; tricuspid valve; right ventricle; pulmonary artery

Which of the following cartilages forms the anterior wall of the larynx? arytenoid thyroid epiglottis corniculate

thyroid

The layer(s) of an artery wall that is/are responsible for vasoconstriction and vasodilation is/are the: all of these choices. tunica externa. tunica interna (intima). tunica media.

tunica media.

Which of the following is FALSE regarding the diaphragm? When contracted, it increases the vertical diameter of the thoracic cavity. It is skeletal muscle. In the relaxed state, the diaphragm moves inferiorly and flattens out. It receives innervation from the phrenic nerves.

In the relaxed state, the diaphragm moves inferiorly and flattens out.

The branches of the arch of the aorta, in correct order, are: 1. brachiocephalic trunk 2. left common carotid 3. left subclavian 2, 1, 3 1, 2, 3 3, 2, 1 1, 3, 2

1, 2, 3

Which of the following vessels deliver blood to the right atrium? 1 superior vena cava 2 inferior vena cava 3 pulmonary veins 4 coronary sinus 5 pulmonary arteries 2, 3 only 1, 2, 3, 4 only 1, 2, 4 only 1, 4, 5 only

1, 2, 4 only

Blood flows through the following vessels in what order? 1. arteriole 2. capillary 3. thoroughfare channel 4. metarteriole 5. venule 5, 2, 3, 1 1, 4, 2, 5 1, 2, 3, 4 1, 2, 4, 5

1, 4, 2, 5

Which of the following do NOT contain cartilage? 1. tertiary (segmental) bronchi 2. alveolar ducts 3. respiratory bronchioles 4. terminal bronchioles 2, 4 only 1, 2, 3, 4 2, 3, 4 only 2, 3 only

2, 3, 4 only

What is the correct route that a drop of blood would follow as it flows through the following vessels? 1. inferior vena cava 2. thoracic aorta 3. renal artery 4. abdominal aorta 5. renal vein 2, 4, 3, 5, 1 1, 3, 5, 4, 2 2, 3, 5, 4, 1 2, 3, 4, 5, 1

2, 4, 3, 5, 1

As a molecule of oxygen passes from alveolar air into the blood it passes through the layers of the respiratory membrane in what order? 1. epithelial basement membrane 2. capillary basement membrane 3. alveolar epithelial wall 4. capillary endothelial wall 4, 3, 2, 1 3, 1, 4, 2 1, 3, 2, 4 3, 1, 2, 4

3, 1, 2, 4

What is the correct route that a drop of blood would follow as it flows through the following vessels? 1. external iliac artery 2. popliteal artery 3. anterior tibial artery 4. common iliac artery 5. femoral artery 6. dorsalis pedis (right dorsal artery of foot) artery 4, 1, 5, 2, 3, 6 4, 1, 2, 5, 3, 6 6, 3, 2, 1, 5, 4 1, 4, 5, 3, 6, 2

4, 1, 5, 2, 3, 6

Which of the following statements about sinusoids is TRUE? Sinusoids are found in the liver, spleen and red bone marrow. Sinusoids function as capillaries, but are wider and more winding than other capillaries. All of these choices. Their walls have large intercellular clefts that allow proteins and blood cells to pass between tissue and the bloodstream.

All of these choices.

Which of the following is a TRUE statement concerning the larynx? The lining of the larynx inferior to the vocal folds is stratified squamous epithelium. All of these choices are true. The extrinsic muscles of the larynx connect the cartilages to each other. During swallowing, the larynx rises, causing the epiglottis to form a lid over the opening into the larynx, closing it off

During swallowing, the larynx rises, causing the epiglottis to form a lid over the opening into the larynx, closing it off.

Which of the following is FALSE regarding the location of the heart? The heart is located within the mediastinum. The apex of the heart rests on the diaphragm. The heart is located between the sternum and the vertebral column. About two thirds of the heart's mass lies to the left of the body's midline. The base of the heart rests on the diaphragm.

The base of the heart rests on the diaphragm.

Which of the following correctly describes the sequence of structures of the pulmonary circulation through which blood passes? left atrium →pulmonary trunk→pulmonary veins→pulmonary arteries→right ventricle left ventricle→pulmonary trunk→pulmonary veins→pulmonary arteries→right atrium right atrium→pulmonary trunk→pulmonary veins→pulmonary arteries→left ventricle right ventricle→pulmonary arteries→pulmonary trunk→left atrium right ventricle→pulmonary trunk→pulmonary arteries→pulmonary arterioles→pulmonary capillaries→pulmonary venules→pulmonary veins→left atrium

right ventricle→pulmonary trunk→pulmonary arteries→pulmonary arterioles→pulmonary capillaries→pulmonary venules→pulmonary veins→left atrium

Trace the flow of venous blood draining from the small intestine back to the heart. inferior mesenteric vein, hepatic portal vein, liver, hepatic arteries, inferior vena cava, heart inferior mesenteric vein, hepatic portal artery, liver, hepatic arteries, inferior vena cava, heart superior mesenteric vein, hepatic portal vein, liver, hepatic veins, inferior vena cava, heart superior mesenteric vein, hepatic artery, liver, hepatic portal vein, inferior vena cava, heart

superior mesenteric vein, hepatic portal vein, liver, hepatic veins, inferior vena cava, heart

Contraction of smooth muscle in the vessel wall produces _____ which is a _____ in the diameter of the vessel lumen. vasodilation; decrease vasoconstriction; increase vasoconstriction; decrease vasodilation; increase

vasoconstriction; decrease

A thrombus (blood clot) formed in the knee during knee surgery has the potential to travel to the lung causing a pulmonary embolism (PE) via which of the following circulatory route? popliteal vein; anterior tibial vein; dorsalis pedal vein popliteal vein; common iliac vein; external iliac vein; internal iliac vein popliteal vein; common iliac vein; inferior vena cava; pulmonary trunk popliteal vein; femoral vein; superior vena cava; aorta

popliteal vein; common iliac vein; inferior vena cava; pulmonary trunk

Which of the following is FALSE of the trachea? It is a tubular passageway, posterior to the esophagus. The pseudostratified ciliated columnar epithelium of the mucosa contains goblet cells and basal cells. Its wall contains 16-20 C-shaped rings of hyaline cartilage. The outer layer of the wall of the trachea, the adventitia, is a layer of areolar connective tissue that joins the trachea to surrounding tissues

It is a tubular passageway, posterior to the esophagus.

The importance of the bronchopulmonary segments is that they ____________. contain their own air supply contain their own blood supply contain their own lymphatic drainage all of these choices none of these choices

all of these choices

The paired laryngeal cartilages that, along with intrinsic pharyngeal muscles, move the vocal folds (true vocal cords) in speech production are the _____ cartilages. cricoid arytenoid epiglottic thyroid

arytenoid

The right and left coronary arteries branch from which blood vessel? ascending aorta superior vena cava pulmonary trunk circumflex branch

ascending aorta

Through which of the following is blood transported from the left ventricle? ascending aorta pulmonary arteries pulmonary trunk pulmonary veins superior and inferior vena cavae

ascending aorta

At the base of the brain, the two vertebral arteries merge to form the _________ artery. internal carotid basilar posterior communicating basilic

basilar

Which two arteries most significantly contribute to the cerebral arterial circle (Circle of Willis) supplying blood to the brain? external carotid and internal jugular internal carotid and posterior cerebral basilar and internal carotid vertebral and external carotid

basilar and internal carotid

Blindness or other visual disturbances will arise following a blockage of the posterior cerebral arteries. These arteries branch directly from the: external carotid arteries internal carotid arteries basilar artery vertebral arteries

basilar artery

Which of the following cartilages of the larynx is anchored to the trachea inferiorly? epiglottis cricoid thyroid arytenoid

cricoid

The _____ area in the _____ of the brain controls the basic rate of pulmonary ventilation. pneumotaxic; pons medullary rhythmicity; medulla oblongata apneustic; thalamus apneustic; midbrain

medullary rhythmicity; medulla oblongata