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Practice Exam #4

Terms in this set (29)

Muscles used for quiet or active expiration include:

A. internal intercostals
B. external intercostals
C. pectoralis minor
D. sternocleidomastoid
A. internal intercostals
The respiratory system can be divided into two functional components, the conduction and respiratory zones. Which of the following structure is part of the respiratory zone?

A. primary bronchi
B. larynx
C. alveolar ducts
D. nasal cavity
C. alveolar ducts
Mitral valve prolapse:

A. develops as a result of IV drug use
B. causes a backflow of blood into the left atrium
C. affects 50% of the population
D. is more common in men
B. causes a backflow of blood into the left atrium
The pericardium of the heart:

A. is 95% of the heart wall
B. allows for movement and contraction of the heart
C. contains blood vessels, lymphatics, and nerves
D. lines the chambers of the heart and valves
B. allows for movement and contraction of the heart
The hepatic sinusoids of the liver drain directly into:

A. the portal triad
B. the inferior vena cava
C. the central vein
D. the bile canaliculi
C. the central vein
Functions of the large intestine include:

A. absorption of 90% nutrients
B. mixing chyme with digestive juices
C. synthesis of bile salts
D. absorption of vitamin B12 and vitamin K
D. absorption of vitamin B12 and vitamin K
Pneumonia is inflammation or infection of the alveoli and is commonly caused by the organism Streptococcus pneumoniae. Of the following patients, who do you think would be more likely to develop pneumonia?

A. a 7 year old being treated with chemotherapy for leukemia
B. a 51 year old man who only smoked for 1 year during college
C. a 33 year old woman with a history of high blood pressure
D. a 17 year old football player with no past medical history
A. a 7 year old being treated with chemotherapy for leukemia
Regarding the stomach:

A. has 3 layers of muscle to help with churning and mixing
B. it is only innervated by parasympathetic nerves
C. the gastric juice produced is more basic (pH 7.1-8.2)
D. no substance is absorbed within the stomach
A. has 3 layers of muscle to help with churning and mixing
Obstruction of blood flow to the coronary arteries can cause:

A. myocardial infarction
B. an largement of the coronary sinus
C. rheumatic fever
D. heart murmur
A. myocardial infarction
Which of the following bones does not contribute to the formation of the internal nose?

A. lacrimal
B. frontal
C. maxilla
D. inferior nasal conchae
B. frontal
Veins:

A. are more numerous than arteries
B. contain fenestrations within the liver, spleen, and anterior pituitary
C. have a thicker tunica intima layer than arteries
D. are designed to undergo high pressure
A. are more numerous than arteries
The external iliac artery continues as which of the following?

A. pudendal artery
B. obturator artery
C. femoral artery
D. median sacral artery
C. femoral artery
Which of the following represent the typical order of the electrical signal in cardiac conduction?

A. bundle branches, bundle of His, SA node, Purkinje fibers
B. AV node, Purkinje fibers, SA node, bundle branches, bundle of His
C. SA node, Purkinje fibers, bundle branches, bundle of His, AV node
D. SA node, AV node, bundle of His, bundle branches, Purkinje fibers
D. SA node, AV node, bundle of His, bundle branches, Purkinje fibers
The paired branches off the abdominal aorta include:

A. posterior intercostal arteries
B. superior phrenic arteries
C. inferior mesenteric artery
D. gonadal arteries
D. gonadal arteries
Which statement is correct in regard to alveoli?

A. the type II cells, which secrete surfactant, are most abundant
B. they are no macrophage cells associated with alveoli
C. they are lined with pseudostratified ciliated columnar epithelium
D. the respiratory membrane is comprised for four layers which is very thin
D. the respiratory membrane is comprised for four layers which is very thin
Mary comes into the clinic complaining of chest pain that radiates to her left arm. She has recently recovered from a viral illness. She denies being short of breath or a history of heart disease. On physical exam, you hear a friction rub as you listen to her heart. You write her a prescription for ibuprofen and tell her that her pain should resolve within 1 week. What is your diagnosis for Mary?

A. Angina
B. Pericarditis
C. Congestive heart failure
D. Acute myocardial infarction
B. Pericarditis
The intrinsic muscles of the tongue are responsible for:

A. moving the tongue from side to side
B. maneuvering food within the mouth
C. altering the shape and size of the tongue for speech
D. holding the tongue in position within the mouth
C. altering the shape and size of the tongue for speech
Another name for tooth decay, which causes softening of the enamel of teeth is:

A. dental plaque
B. gingivitis
C. pyorrhea
D. dental caries
D. dental caries
The layer of the GI tract, which contains larger glands and is composed of connective tissue:

A. mucosa layer
B. muscularis layer
C. submucosal layer
D. serosa layer
C. submucosal layer
All of the following are considered accessory digestive organs EXCEPT:

A. liver
B. appendix
C. teeth
D. gallbladder
B. appendix
Capillaries:

A. has the largest diameter in comparison to other arterial vessels
B. provides vascular tone
C. connects the arterial system with the venous system
D. known as resistance vessels
C. connects the arterial system with the venous system
The right atrium receives venous blood from all of the following EXCEPT:

A. superior vena cava
B. pulmonary vein
C. inferior vena cava
D. coronary sinus
B. pulmonary veins
Regarding location of the heart:

A. the aorta and pulmonary trunk emerge from the base
B. it rests on the mesentery of the abdominal cavity
C. 2/3 f the heart is to the right of the sternum
D. the point of maximal impulse (PMI) is general felt in the 5th intercostal space, midaxillary line
A. the aorta and pulmonary trunk emerge from the base
The anastomoses at the apex of the heart are formed by which two vessels?

A. right marginal and left coronary arteries
B. anterior and posterior interventricular arteries
C. great cardiac and anterior cardiac veins
D. right coronary and left circumflex arteries
B. anterior and posterior interventricular arteries
Which of the following arteries can be visualized and palpated in the upper extremity?

A. popliteal
B. dorsalis pedis
C. subclavian
D. ulnar
D. ulnar
Which of the peritoneal folds attaches the liver to the anterior abdominal wall and the diaphragm?

A. transverse mesocolon
B. lesser omentum
C. falciform ligament
D. mesentary
C. falciform ligament
What is the function of the gastrointestinal system, which allows substances to be passed into the bloodstream of lymphatic channels to be passed to cells throughout the body?

A. defecation
B. secretion
C. propulsion
D. absorption
D. absorption
The first branches off of the aorta are:

A. AV nodal branch
B. brachiocephalic
C. right and left coronary
D. left subclavian
C. right and left coronary
A concerned mom brings her 2-year-old son into the ER because she is concerned he has aspirated a battery into his lungs. He does not appear to be having difficulty breathing. If he aspirated the battery where would you most likely find it?

A. left inferior lobar bronchus
B. left primary bronchus
C. right upper segmental bronchus
D. right primary bronchus
D. right primary bronchus
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