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401004 PPE2 Week 5: Revision Quiz

Description

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.
Cris Algoso
Quiz by Cris Algoso, updated more than 1 year ago
Cris Algoso
Created by Cris Algoso about 7 years ago
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Resource summary

Question 1

Question
What is the primary function of the heart?
Image:
250px Heart Anterior Exterior View (image/jpeg)
Answer
  • 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

Question 2

Question
What is systemic circulation?
Image:
Kreislauf En 100218 (image/jpeg)
Answer
  • 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

Question 3

Question
What is pulmonary circulation
Image:
Pulmonary Circulation (image/jpeg)
Answer
  • 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

Question 4

Question
What stimulates the heart to contract?
Image:
Electrical Pathway Heart (image/jpeg)
Answer
  • Adrenaline
  • An electrical signal
  • Noradrenaline
  • Serotonin

Question 5

Question
The heart has a natural pacemaker. What is it called and where is it located?
Image:
Conduction Pathway (image/jpeg)
Answer
  • 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

Question 6

Question
Label the main components of the cardiac conduction system.
Image:
Conduction Pathway (image/jpeg)
Answer
  • Sinoatrial (SA) node
  • Atrioventricular (AV) node
  • Atrioventricular (AV) bundle
  • Right and left bundle branches
  • Purkinje fibres

Question 7

Question
Label the diagram below to reflect the path air moves through the respiratory system to reach the alveoli.
Image:
Air Pathway (image/jpeg)
Answer
  • Nasal cavity
  • Pharynx
  • Larynx
  • Trachea
  • Primary bronchus
  • Secondary bronchus
  • Tertiary bronchhus
  • Terminal bronichioles
  • Respiratory bronchioles
  • Alveolar ducts
  • Alveoli

Question 8

Question
What are the main muscles involved in pulmonary ventilation?
Image:
Stock Photo Human Muscle Body With Respiratory System D 435737500 (image/jpeg)
Answer
  • Quadriceps and hamstrings
  • Diaphragm and intercostal muscles
  • Biceps and triceps
  • Tibialis anterior and gastrocnemius

Question 9

Question
What happens to the intercostal muscles and diaphragm on inspiration?
Image:
Respiratory Diagram (image/jpeg)
Answer
  • 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

Question 10

Question
What happens to the intercostal muscles and diaphragm on expiration?
Image:
Breathing (image/png)
Answer
  • 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.

Question 11

Question
What happens when inspiratory muscles contract?
Image:
Lungs (image/jpeg)
Answer
  • 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

Question 12

Question
What is the substance that prevents alveoli collapse between breaths by reducing the surface tension of the water film in the alveoli called?
Image:
Alveolithe Respiratory Membrane2 Zps9b813ff5 (image/png)
Answer
  • Surfactant
  • Reluctant
  • Bile
  • Interstitial fluid

Question 13

Question
What is glucose?
Image:
Glucose Molecules (image/jpeg)
Answer
  • Sugar
  • One of the body's primary sources of energy
  • The cause of diabetes
  • A catecholamine

Question 14

Question
What is insulin and what is its main function?
Image:
Human Insulin Depiction (image/jpeg)
Answer
  • 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

Question 15

Question
What is the role of the pancreas as an endocrine gland?
Image:
Panreas (image/png)
Answer
  • 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

Question 16

Question
What is the acceptable range for a fasting blood glucose level?
Image:
Diabetes Bgl (image/jpeg)
Answer
  • 3.3mmol/L - 6.1mmol/L
  • 12mmol/L - 18mmol/L
  • 8.0mmol/L - 12mmol/L
  • 1mmol/L - 5mmol/L

Question 17

Question
What are the receptors that detect elevated blood glucose and where are they located?
Image:
Diabetes Glucose Regulation Pic (image/gif)
Answer
  • Alpha cells located in the pancreas
  • Alpha cells located in the heart
  • Beta cells located in the pancreas
  • Beta cells located in the lungs

Question 18

Question
Why is it important to maintain blood glucose levels within normal range?
Image:
Sugar In Hand (image/jpeg)
Answer
  • 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
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