Fatty deposit that forms within the wall of a vein
Fatty deposit that forms on the surface of the artery
Fatty deposit that forms within the artery wall
Fatty deposit that forms on the heart
7. What is the correct description of co-transport?
Sodium ions diffuse out of epithelial cells by Sodium-Potassium pump into blood, Sodium ions diffuse into epithelial cells down concentration gradient, Sodium ions flood back in and couple with glucose, Glucose passes into blood plasma
Sodium ions actively transported out of epithelial cells by Sodium-Potassium pump into blood, Sodium ions diffuse into epithelial cells against concentration gradient, Na+ ions flood back in and couple with glucose, Glucose passes into blood plasma
Sodium ions actively transported out of epithelial cells by Sodium-Potassium pump into blood, Sodium ions diffuse into epithelial cells down concentration gradient, Sodium ions flood back in and couple with glucose, Glucose passes into blood plasma
Glucose ions actively transported out of epithelial cells by Sodium-Potassium pump into blood, Glucose ions diffuse into epithelial cells down concentration gradient, Glucose ions flood back in and couple with Sodium, Sodium passes into blood plasma
8. What are the functions of phospholipids?
Making the CSM flexible, preventing water-soluble substances entering/leaving cell and allowing lipid-soluble substances entering/leaving cell
Making the CSM flexible, preventing lipid-soluble substances entering/leaving cell and allowing water-soluble substances entering/leaving cell
Making the CSM rigid, preventing water-soluble substances entering/leaving cell and allowing lipid-soluble substances entering/leaving cell
Making the CSM flexible, preventing water-soluble substances leaving cell and allowing lipid-soluble substances leaving cell
9. Name the layer of non-conductive tissue that prevents the wave of electrical activity crossing to the ventricles?
Atrioventricular septum
Sinoatrial node
Atrioventricular node
Bundle of His
10. What are the roles of lipids?
Protection, Kill bacteria, Waterproofing, Energy source, Plasma Membrane flexibility
Protection, Insulation, Waterproofing, Maintaing a concentration gradient, Plasma Membrane flexibility
Protection, Insulation, Waterproofing, Energy source, Plasma Membrane flexibility
Protection, Insulation, Diffusion pathway, Energy source, Plasma Membrane flexibility
11. What's an example of a pathogen that has antigenic variability?
Measles
Influenza
Chickenpox
12. When is air forced into the lungs?
When atmospheric pressure is the same as pulmonary pressure
When atmospheric pressure is greater than pulmonary pressure
When pulmonary pressure is greater than atmospheric pressure
13. Which of these groups doesn't have reduced immunity?
People with AIDS
People taking steroids
The malnourished
Those undergoing treatment with imunosuppressive drugs
14. What do antibodies consist of?
4 heavy polypeptide chains
3 heavy polypeptide chains and 1 short polypeptide chain
2 heavy polypeptide chains and 2 short polypeptide chains
1 heavy polypeptide chain and 3 short polypeptide chains
15. Which of these is not a symptom of emphysema?
Shortness of breath
Bluish skin colouration
Higher blood pressure
Chronic cough
16. Where are the micro-villi located?
The endothelium of the villi
The epithelial cells lining the villi
The epithelial cells lining the intestine
The capillaries of the villi
17. What is the gas exchange surface in the lungs?
Capillaries
Alveolar membrane
Bronchioles
Alveolar epithelium
18. Why are monoclonal antibodies named so?
They come from cells from a single red blood cell
They come from cells from a single mouse
They come from cells from a single B cell
They come from cells from a single T cell
19. Which of these does facilitated diffusion involve?