Gould's Test Bank Q's Flashcards
What actions causes the atrioventricular (AV) valves to close?
Increased intraventricular pressure
When stroke volume decreases, which of the following could maintain cardiac output?
Increased heart rate
Describe the pericardial cavity- it is a
It is a potential space containing a very small amount of serous fluid
Which factors greatly improves venous return to the heart during strenuous exercise?
Forceful action of the valves in the veins
The function of the baroreceptors is to:
signal the cardiovascular control center of changes in systemic blood pressure.
The normal delay in conduction through the AV node is essential for:
completing ventricular filling.
Increased heart rate and force of contraction is a result of increased secretion of :
epinephrine
Stimulation of the sympathetic nervous system causes increased:
heart rate
The cardiac reserve is:
the ability of the heart to increase cardiac output when needed.
The event that causes the QRS wave on an electrocardiogram (ECG) tracing is:
ventricular depolarization.
The term preload refers to:
volume of venous return.
The first arteries to branch off the aorta are the:
coronary arteries.
Cardiac output refers to:
the volume of blood ejected by a ventricle in one minute
Vasodilation in the skin and viscera results directly from:
relaxation of smooth muscle in the arterioles.
hydrochlorothiazide (HydroDIURIL) drug __________ sodium and fluid retention in the body?
decrease
Damaged blood vessel walls
Immobility
Prosthetic valves
are predisposing factors to ___________ formation in the circulation?
thrombus
acetylsalicylic acid (ASA) is a drug taken in small doses on a continuing basis to reduce ___________ adhesion
platelet
A partial obstruction in a coronary artery will likely cause:
angina attacks
Cigarette smoking is a risk factor in coronary artery disease because smoking:
promotes platelet adhesion.
The term arteriosclerosis specifically refers to: degeneration with loss of elasticity and obstruction in ____________________
small arteries.
A modifiable factor that increases the risk for atherosclerosis is:
leading a sedentary lifestyle.
An atheroma develops from:
accumulated lipids, cells, and fibrin where endothelial __________ has occurred.
injury
Low-density lipoproteins (LDL) promote ______________ development
atheroma
Factors that may precipitate an angina attack include all of the following EXCEPT:
eating a large meal.
engaging in an angry argument.
taking a nap.
shoveling snow on a cold, windy day.
taking a nap.
When comparing angina with myocardial infarction (MI), which statement is true?
Angina pain is relieved by rest and intake of _______________ ; the pain of MI is not.
nitroglycerin
The basic pathophysiology of myocardial infarction is best described as: total obstruction of a _________________________ , which causes myocardial necrosis.
coronary artery
Typical early signs or symptoms of myocardial infarction include:
persistent chest pain radiating to the _______ arm, pallor, and rapid, weak pulse.
left
The most common cause of a myocardial infarction is: _______________ involving an attached thrombus.
atherosclerosis
Calcium-channel blocking drugs are effective in: reducing cardiac and smooth muscle _______________
contractions
The most common cause of death immediately following a myocardial infarction is: cardiac arrhythmias and _____________.
fibrillation
Why does ventricular fibrillation result in cardiac arrest? Insufficient blood is supplied to the _________________.
myocardium
The term cardiac arrest refers to the ________________ of all cardiac function
cessation
Uncontrolled essential ________________ is most likely to cause left-sided congestive heart failure
hypertension
The definition of congestive heart failure is: inability of the heart to pump enough blood to meet the ____________ needs of the body.
metabolic
The outcome for many aortic aneurysms is: rupture and ______________.
hemorrhage
A common adverse effect of many antihypertensive medications is: orthostatic _________________.
hypotension
The most common factor predisposing to the development of varicose veins is: increased _________ pressure
venous
More extensive permanent damage is likely when a myocardial infarction is caused by:
an embolus.
. A very rapid heart rate reduces cardiac output because:
ventricular filling is ____________.
reduced
In patients with congestive heart failure, ACE inhibitor drugs are useful because they: reduce renin and ______________ secretion.
aldosterone
Septic shock is frequently caused by infections involving: gram-___________ endotoxin-producing bacteria
negative
The maximum volume of air a person can exhale after a maximum inspiration is termed the:
_______ capacity
vital
which applies to the blood in the pulmonary artery?
PO2 is _____
low.
Epinephrine causes __________dilation
broncho
Oxygen diffuses from the alveoli to the blood because: PO2 is _________ in the blood.
lower
Carbon dioxide is primarily transported in the blood: as _____________ ion.
bicarbonate
What would result from hyperventilation?
Respiratory ___________
alkalosis
What would be the most effective compensation for respiratory acidosis?
The kidneys producing more ____________ ions
bicarbonate
The production of yellowish-green, cloudy, thick sputum is often an indication of _____________ infection.
bacterial
hemoptysis refers to _______________ streaks of blood in frothy sputum
Bright red
Orthopnea is: difficulty breathing when ________________
lying down.
What are early signs and symptoms of infectious rhinitis?
Serous nasal _____________, congestion, and sneezing
discharge
Why does the influenza virus cause recurrent infection in individuals?
Viral mutation reduces _____________ from prior infections.
immunity
What are typical signs and symptoms of epiglottitis
Sudden ______, sore throat, and drooling saliva
fever
Rust-colored sputum in a patient with pneumonia usually indicates:
_______________ pneumoniae is the infecting agent.
Streptococcus
What is the cause of Legionnaires disease?
A gram-_____________ bacterium
negative
TB is usually caused by an acid-fast bacillus, resistant to many ______________.
disinfectants
Histoplasmosis is caused by a:
fungus.
The basic pathophysiology of cystic fibrosis is centered on a/an: defect of the ___________ glands
exocrine
Growth and development of a child with cystic fibrosis may be delayed because of: mucus plugs obstructing the flow of _____________ enzymes.
pancreatic
What is a sign indicating total obstruction of the airway by aspirated material? Rapid loss of _________________
consciousness
Which of the following predisposes to postoperative aspiration?
_____________ caused by drugs or anesthesia
Vomiting
What is the cause of chronic bronchitis?
Chronic irritation, inflammation, and recurrent infection of the _________________
larger airways
Which of the following is typical of chronic bronchitis? Fibrosis of the ___________ wall
bronchial
When does flail chest usually occur? Several ______ are fractured at two sites.
ribs
Severe acute respiratory syndrome (SARS) is caused by a/an:
coronavirus.
In addition to effects on the lungs and pancreas, cystic fibrosis results in:
high ___________ chloride content in saliva and sweat.
sodium
Which of the following is a significant early sign of bronchogenic carcinoma in a smoker?
Hemoptysis and weight loss
Which of the following cells in the gastric mucosa produce intrinsic factor and hydrochloric
acid?
Parietal cells
Chief cells
Mucous cells
Gastrin cells
Parietal cells
Which of the following is the primary site for absorption of nutrients?
a. Stomach
b. Duodenum
c. Ileum
d. Ascending colon
c. Ileum
When highly acidic chyme enters the duodenum, which hormone stimulates the release of
pancreatic secretions that contains very high bicarbonate ion content?
Secretin
________ breaks protein down into peptides
Trypsin
_______ nerve stimulates increased peristalsis and secretions in the digestive tract
Vagus
In which structure is oxygenated blood (arterial) mixed with unoxygenated blood (venous) so
as to support the functions of the structure?
Liver
Glycogenesis is likely to occur in the body immediately after __________
a meal
What does the term gluconeogenesis refer to?
Formation of __________ from protein and fat
glucose
________ salts emulsify lipids and lipid-soluble vitamins
bile
The visceral peritoneum forms the outer covering of the __________.
stomach
Yellow or greenish stained vomitus usually indicates the presence of
bile
The early stage of vomiting causes:
metabolic _________
alkalosis
What is a common cause of hiatal hernia?
Increased intra-abdominal ___________
pressure
Which of the following individuals is likely to develop acute gastritis?
a. A long-term, heavy cigarette smoker
b. Patient with arthritis taking enteric-coated aspirin on a daily basis
c. A person with an autoimmune reaction in the gastric mucosa
d. An individual with an allergy to shellfish
d. An individual with an allergy to shellfish
What is frequently the first manifestation of stress ulcers?
Hematemesis [vomiting blood]
How does iron deficiency anemia frequently develop with ulcerative colitis?
Chronic _____________ in stools
blood loss
A gluten-free diet as required for the client with celiac disease means avoiding:
certain grains.
hepatitis A Is transmitted by the ____________ route.
fecal-oraL
Bilirubin is a product of hemolysis of __________________ and breakdown of hemoglobin.
red blood cells (RBCs)
What can be concluded if the hepatitis B antigen level remains high in the serum?
____________ infection has developed.
Chronic
What does a vegetative state refer to?
Loss of awareness and intellectual function but continued ____________ function
brainstem
What is the most common type of hepatitis transmitted by blood transfusion?
HCV
What indicates the presence of third-stage alcohol hepatitis?
Decreased production of blood _____________ factors
clotting
What is the cause of inflammatory bowel disease?
Idiopathic
[spontaneous/ unknown]
What is a major function of the limbic system?
Determines ___________ responses
emotional
Malnutrition may develop in children with celiac disease because of:
damage to the intestinal _________ .
villi
Which of the following is the usual location of language centers?
______ hemisphere
Left
To which site does colon cancer usually first metastasize?
Liver
What does the term melena mean?
Blood in a _________-colored stool
dark
_____________ usually develops with hepatocellular carcinoma.
Jaundice
Although many factors may precipitate pancreatitis, the two major causes are:
gallstones and ___________ abuse
alcohol
Which factor(s) appear(s) to have a role in the etiology of inflammatory bowel diseases?
__________ and immunological factors
Genetic
A viral infection of the parotid gland is commonly known as:
mumps
What is the best definition of aphasia?
The inability to comprehend or express ____________ appropriately
language
What is the rationale for vomiting in a patient who has increased intracranial pressure?
Pressure on the _________ center in the medulla
emetic
Primary brain tumors rarely metastasize outside the __________
CNS.