401004 PPE2 Week 5: Revision Quiz

Question 1 of 18

1

What is the primary function of the heart?

Select one of the following:

To pump blood throughout the body to deliver oxygen and remove waste products
For gas exchange to remove C02 and deliver 02
Helps to maintain homeostasis through the release of hormones
To cause pains in the chest

Explanation

Question 2 of 18

1

What is systemic circulation?

Select one of the following:

The circulation of fluid within a system
Deoxygenated blood returning from the body is pumped from the heart to the lungs for gas exchange
Blood entering the ventricles
Blood pumped throughout the body to deliver nourishment to all body tissues

Explanation

Question 3 of 18

1

What is pulmonary circulation

Select one of the following:

Deoxygenated blood returning from the body is pumped from the heart to the lungs for gas exchange
Blood pumped throughout the body to deliver nourishment to all body tissues
Blood entering the atria
Fluid circulating within a system

Explanation

Question 4 of 18

1

What stimulates the heart to contract?

Select one of the following:

Adrenaline
An electrical signal
Noradrenaline
Serotonin

Explanation

Question 5 of 18

1

The heart has a natural pacemaker. What is it called and where is it located?

Select one of the following:

Atrioventricular node, floor of the right atrium
Lymph nodes: Axillary, vcervical, inguinal and thymus
Sinoatrial node, upper wall of the right atrium
Internodes, in the stem between nodes

Explanation

Question 6 of 18

5

Label the main components of the cardiac conduction system.

Drag an answer into the correct orange point.

Sinoatrial (SA) node

Atrioventricular (AV) node

Atrioventricular (AV) bundle

Right and left bundle branches

Purkinje fibres

Explanation

Question 7 of 18

5

Label the diagram below to reflect the path air moves through the respiratory system to reach the alveoli.

Drag an answer into the correct orange point.

Nasal cavity

Pharynx

Larynx

Trachea

Primary bronchus

Secondary bronchus

Tertiary bronchhus

Terminal bronichioles

Respiratory bronchioles

Alveolar ducts

Alveoli

Explanation

Question 8 of 18

1

What are the main muscles involved in pulmonary ventilation?

Select one of the following:

Quadriceps and hamstrings
Diaphragm and intercostal muscles
Biceps and triceps
Tibialis anterior and gastrocnemius

Explanation

Question 9 of 18

1

What happens to the intercostal muscles and diaphragm on inspiration?

Select one of the following:

Intercostal muscles contract to elevate the sternum and rib cage. The diaphragm contracts downward and flattens.
Nothing. It does not involve muscles contracting.
Intercostal muscles and diaphragm relax
The intercostal muscles and diaphragm recoil due to the elasticity of lung tissue

Explanation

Question 10 of 18

1

What happens to the intercostal muscles and diaphragm on expiration?

Select one of the following:

Nothing, it does not involve muscles relaxing
Intercostal muscles contract to elevate the sternum and rib cage. The diaphragm contracts downward and flattens
Intercostal muscles relax causing the rib cage to return to its original position. The diaphragm relaxes and resumes its dome shape.
The intercostal muscles relax and the diaphragm contracts to form a dome shape.

Explanation

Question 11 of 18

1

What happens when inspiratory muscles contract?

Select one of the following:

The thoracic cavity increases in length
The thoracic cavity increases in diameter
The volume of the thoracic cavity decreases
The thoracic cavity increases in size and length

Explanation

Question 12 of 18

1

What is the substance that prevents alveoli collapse between breaths by reducing the surface tension of the water film in the alveoli called?

Select one of the following:

Surfactant
Reluctant
Bile
Interstitial fluid

Explanation

Question 13 of 18

1

What is glucose?

Select one of the following:

Sugar
One of the body's primary sources of energy
The cause of diabetes
A catecholamine

Explanation

Question 14 of 18

1

What is insulin and what is its main function?

Select one of the following:

A hormone that stimulates the release of glucose into the bloodstream
A hormone that reduces gut motility so that absorption of nutrients is slowed
A hormone that promotes the release of glucogen and suppresses the release of insulin
A hormone that stimulates the uptake of glucose from the bloodstream by cells therefore lowering the blood glucose level

Explanation

Question 15 of 18

1

What is the role of the pancreas as an endocrine gland?

Select one of the following:

Secrets digestive enzymes to breakdown proteins, lipids, and carbohydrates
Enhances the uptake of glucose and conversion into glycogen for storage in the liver
Secrets hormones to regulate blood glucose such as insulin and glucagon
Assists in maintaining blood volume

Explanation

Question 16 of 18

1

What is the acceptable range for a fasting blood glucose level?

Select one of the following:

3.3mmol/L - 6.1mmol/L
12mmol/L - 18mmol/L
8.0mmol/L - 12mmol/L
1mmol/L - 5mmol/L

Explanation

Question 17 of 18

1

What are the receptors that detect elevated blood glucose and where are they located?

Select one of the following:

Alpha cells located in the pancreas
Alpha cells located in the heart
Beta cells located in the pancreas
Beta cells located in the lungs

Explanation

Question 18 of 18

1

Why is it important to maintain blood glucose levels within normal range?

Select one of the following:

A low or high blood glucose level can compromise brain function to cause confusion
Elevated blood glucose levels that do not naturally drop can lead to issues with blood pressure, kidneys, and eyesight
A low or high blood glucose levels can compromise nerve function that can result in tremors
All of the above

	Created by Cris Algoso about 7 years ago

This quiz is a revision of the cardiac, respiratory and endocrine systems. Please complete this quiz prior to your PPE2 week 5 session to help you in understanding content in the CPU.

401004 PPE2 Week 5: Revision Quiz

Question 1 of 18

What is the primary function of the heart?

Select one of the following:

Explanation

Question 2 of 18

What is systemic circulation?

Select one of the following:

Explanation

Question 3 of 18

What is pulmonary circulation

Select one of the following:

Explanation

Question 4 of 18

What stimulates the heart to contract?

Select one of the following:

Explanation

Question 5 of 18

The heart has a natural pacemaker. What is it called and where is it located?

Select one of the following:

Explanation

Question 6 of 18

Label the main components of the cardiac conduction system.

Drag an answer into the correct orange point.

Explanation

Question 7 of 18

Label the diagram below to reflect the path air moves through the respiratory system to reach the alveoli.

Drag an answer into the correct orange point.

Explanation

Question 8 of 18

What are the main muscles involved in pulmonary ventilation?

Select one of the following:

Explanation

Question 9 of 18

What happens to the intercostal muscles and diaphragm on inspiration?

Select one of the following:

Explanation

Question 10 of 18

What happens to the intercostal muscles and diaphragm on expiration?

Select one of the following:

Explanation

Question 11 of 18

What happens when inspiratory muscles contract?

Select one of the following:

Explanation

Question 12 of 18

What is the substance that prevents alveoli collapse between breaths by reducing the surface tension of the water film in the alveoli called?

Select one of the following:

Explanation

Question 13 of 18

What is glucose?

Select one of the following:

Explanation

Question 14 of 18

What is insulin and what is its main function?

Select one of the following:

Explanation

Question 15 of 18

What is the role of the pancreas as an endocrine gland?

Select one of the following:

Explanation

Question 16 of 18

What is the acceptable range for a fasting blood glucose level?

Select one of the following:

Explanation

Question 17 of 18

What are the receptors that detect elevated blood glucose and where are they located?

Select one of the following:

Explanation

Question 18 of 18

Why is it important to maintain blood glucose levels within normal range?

Select one of the following:

Explanation