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