Reference no: EM133216513
Question 1.
Which of the following represents the blood flow between the heart and the lungs?
Vasodilatation
Pulmonary circulation
Systemic circulation
Cardiac output
Question 2.
Which of the following are very thin and fragile blood vessels?
Arterioles
Veins
Capillaries
Venules
Question 3.
What type of muscle tissue has the ability to contract and conduct electrical impulses?
Skeletal
Striated voluntary
Cardiac
Smooth
Question 4.
Within the heart, what type of muscles hold the tricuspid and mitral valves in place along the ventricle walls?
Thick
Papillary
Voluntary
Unstraited
Question 5.
What type of heart tissue is responsible for the heart contractions?
Visceral pericardium
Endocardium
Myocardium
Epicardium
Question 6.
Which of the following means a formation that is platelike or consisting of scales?
Sulcus
Squama
Epi
Endo
Question 7.
What muscular membrane separates the heart chambers medially into right and left sides?
Chorda tendinea
Ventricular wall
Septum
Coronary sulcus
Question 8.
What is total peripheral resistance (TPR) determined by?
Electrical stimulation
Systemic circulation
Blood flow between the heart and the lungs
Pulmonary circulation
Question 9.
Which of the following cells provide protection from microbial invasions, selective absorption, and transcellular transportation?
Endothelial
Epithelial
Smooth muscle
Pacemaker
Question 10.
The largest part of the human heart is composed of four hollow cavities referred to as the _______________________.
coronary sulcus
two sided pump
heart chambers
heart's pacemaker
Question 11.
Veins carry what type of blood back to the heart so the cycle can repeat?
Deoxygenated
Nutrient enriched
Oxygenated
Incoming
Question 12.
Which of the following contains a tough inelastic outer surface known as the parietal pericardium?
Coronary sulcus
Atrioventricular node
Pericardial sac
Sinoatrial node
Question 13.
What is the purpose of the heart septa wall?
To prevent friction during ordinary contractions.
To supply rich oxygenated blood to the atria and ventricles.
To act as the heart's pacemaker.
To prevent the blood from mixing.
Question 14.
Most of the veins of the heart muscle drain into which of the following vessels?
Coronary groove
Atrioventricular groove
Coronary sulcus
Coronary sinus
Question 15.
The middle layer of the heart wall is composed of what type of tissue?
Visceral pericardium
Endocardium
Myocardium
Epicardium
Question 16.
What is the process of inhaling and exhaling by breathing called?
Internal expiration?
Homeostasis
External respiration
Thermogenesis
Question 17.
Which of the following is a progressive lung disease that worsens over time, preventing a person from being able to breathe because of damage to the alveoli or thickening of the bronchi?
COPD
Dyspnea
CVA
Obstructive sleep apnea
Question 18.
Kidney stones are often a result of the kidney's inability to absorb __________.?
calcium
potassium
glucose
amino acids
Question 19.
What is the primary function of the thyroid gland?
To act as a control system in the body through brain activity and nerve endings
To regulate metabolism
To conserve energy
To deliver oxygen to the body while removing carbon dioxide from the cells
Question 20.
Where does the main source of brain energy come from?
Sodium
Potassium
Glucose
Brain natriuretic peptide
Question 21.
What system is often referred to as the heart's "fight-or-flight" response?
Integumentary system
Sympathetic nervous system
Involuntary nervous system
Parasympathetic nervous system
Question22.
High blood potassium, called hyperkalemia, can cause which of the following?
Irregular heartbeat
Low oxygen levels
Dyspnea
Decrease in blood volume
Question 23.
What is the most common disease associated to autonomic nerve damage or autonomic failure?
Chronic obstructive pulmonary disease
Diabetes
Chronic dehydration
Hypertension
Question 24.
Which of the following glands of the endocrine system are responsible for secreting glucose which controls blood sugar level?
Adrenal
Parathyroid
Pituitary
Pancreatic islets
Question 25.
What is the function of the parathyroid gland?
To interact with the sympathetic nervous system when responding to stress
To regulate the calcium levels throughout the body
To control electrolyte levels
To regulate metabolism
Question 26.
Which of the following occurs when the body's core temperature is reduced below normal?
Hyperkalemia
Hypothermia
Vasodilatation
Hyperthermia
Question 27.
Fatty deposits (plaque) and cholesterol can cause the arteries that lead to the brain to become blocked, causing what type of stroke?
Adrenergic
Thrombotic
Hemorrhagic
Embolic
Question 28.
What is the process of stabilizing the body's internal environment so that all of the body's organs work optimally?
Thermogenesis
Diaphoresis
Peristalsis
Homeostasis
Question 29.
Normal breathing is approximately how many respirations per minute in an adult?
10
20
35
40
Question 30.
Which of the following, left untreated, can increase the risk of irregular heartbeats or in cardiac compromised people, can increase or worsen the risk of heart failure due to oxygen starvation?
Dyspnea
Diabetes
COPD
Sleep apnea
Question 31.
____________ is the pacemaker cardiac cells ability to spontaneously generate an electrical impulse without outside stimulation or stimulation by the nervous system.?
Contractility
Automaticity
Conductivity
Excitability
Question 32.
What is the drug of choice for controlling ventricular tachycardia?
Potassium
Diuretics
Heparin
Magnesium
Question 33.
Which of the following is considered the heart's primary pacemaker?
Atrioventricular (AV) node
Sinoatrial (SA) node
Bundle of His
Purkinje network
Question 34.
What reflects the highest resistance or maximum pressure when the heart contracts?
Systolic blood pressure
Polarization
Pulse pressure
Diastolic blood pressure
Question 35.
Increased heart rate occurs when the sympathetic nerve fibers release ___________.?
ADH
epinephrine
aldosterone
acetylcholine
Question 36.
In the cardiac cells' resting state, the electrolytes within the cell carry what type of charge??
Positive?
Neutral
Free
Negative
Question 37.
Which of the following is required by the body to build proteins and muscles?
Magnesium
Calcium
Potassium
Sodium
Question 38.
In the heart, what plays a role in generating impulses and mediating the heart's pacemaker function?
Sodium
Potassium
Magnesium
Calcium
Question 39.
What is the contraction phase in the heartbeat called?
Diastole
Cardiac output
Systole
Stroke volume
Question 40
Which of the following is a subdivision of the anterior nodal pathway and is the electrical impulse that travels to the left atrium?
Bundle of His
Thorel's Pathway
Wenchebach's Bundle
Bachmann's Bundle
Question 41.
What is the number of heart beats in a minute called?
Cardiac output
Stroke volume
Heart rate
Cardiac cycle
Question 42.
Which of the following would be a primary source of potassium?
Table salt
Milk and yogurt
Nuts and seeds
White beans
Question 43.
What does the blood pressure measurement record?
Action potential
Pulse rate
Cardiac output
Peripheral vascular resistance
Question 44.
What is computed by multiplying cardiac output by peripheral vascular resistance?
Contractility
Blood pressure
Pulse pressure
Stroke volume
Question 45
Which of the following is the amount of resistance the heart must use to pump the blood through the cardiovascular system?
Preload
Stoke volume
Afterload
Cardiac output
Question 46.
What system sets the proper heart rate based on the body's demand for oxygen?
Conduction
Sympathetic nervous
Circulatory
Electrical