Immune System and Blood Platelets A.

Which of the following are concerned with the prevention of bacterial Infections In different parts of the human body? Alimentary canal Respiratory tract Blood

A. Digestive enzymes hair white blood cells

B. Mucus cilia red blood cells acid blood platelets
С. Bile salts

Directions: Questions 48 and 49 refer to the graph below which shows the changes In the concentration of antibodies. In the blood of a person with time: 48.

The increase in the antibody concentration on day 7 might be caused by:

A. Excessive bleeding
B. The entry of bacteria
C. Recovery from a disease
D. The intake of a large number of antibiotics

The antibody concentration increased rapidly on day 21 because the person

A. Developed a fever.
B. Received a vaccination.
C. Was Infected by the same type of antigen.
D. Produced a large number of phagocytes.

Which of the following components of the blood can destroy bacteria that have entered the body?

 antibodies
 phagocytes
blood platelets

A. (1) and (2) only
B. (1) and (3) only
C. (2) and (3) only
D. (2) and (3)

Which of the following are examples of artificial immunity?

Injection of vaccine into the body
Injection of antibodies into the body
Injection of antibiotics into the body

A. (1) only
B. (1) and (2) only

In the alimentary canal, bacteria in food are mainly killed by:

A. Saliva.
B. Mucus.
C. Gastric Juice
D. Pancreatic

Juice Directions: Questions 49 and 50 refer to the graphs below, which show the changes in the antibody level in the blood as a result of two methods of inducing immunity in humans:

Substance P can be:

bacteria.
antigens.
antibodies.

A. (3) only
B. (1) and (2) only
C. (2) and (3) only

What is the advantage of method 2 over method 1 in inducing immunity?

A. The immunity can develop faster.
B. It can stimulate white blood cells to produce more antibodies.
C. The body can become immune to a wider range of diseases.

Which of the following statements about antibodies is correct?

A. They act on specific antigens.
B. They are produced by phagocytes.
C. They develop a memory for antigens
D. They can replicate rapidly during infection.

Which of the following structures produce secretions that can protect the body from infection?

 skin
stomach
 trachea

A person was infected by the same kind of pathogen twice within a month. Assuming the quantity of pathogen for both infections was the same, which of the following graphs correctly shows the change in the pathogen level in the person’s blood?

Calculate the price
Make an order in advance and get the best price
Pages (550 words)
$0.00
*Price with a welcome 15% discount applied.
Pro tip: If you want to save more money and pay the lowest price, you need to set a more extended deadline.
We know how difficult it is to be a student these days. That's why our prices are one of the most affordable on the market, and there are no hidden fees.

Instead, we offer bonuses, discounts, and free services to make your experience outstanding.
How it works
Receive a 100% original paper that will pass Turnitin from a top essay writing service
step 1
Upload your instructions
Fill out the order form and provide paper details. You can even attach screenshots or add additional instructions later. If something is not clear or missing, the writer will contact you for clarification.
Pro service tips
How to get the most out of your experience with My Homework Geeks
One writer throughout the entire course
If you like the writer, you can hire them again. Just copy & paste their ID on the order form ("Preferred Writer's ID" field). This way, your vocabulary will be uniform, and the writer will be aware of your needs.
The same paper from different writers
You can order essay or any other work from two different writers to choose the best one or give another version to a friend. This can be done through the add-on "Same paper from another writer."
Copy of sources used by the writer
Our college essay writers work with ScienceDirect and other databases. They can send you articles or materials used in PDF or through screenshots. Just tick the "Copy of sources" field on the order form.
Testimonials
See why 20k+ students have chosen us as their sole writing assistance provider
Check out the latest reviews and opinions submitted by real customers worldwide and make an informed decision.
11,595
Customer reviews in total
96%
Current satisfaction rate
3 pages
Average paper length
37%
Customers referred by a friend
OUR GIFT TO YOU
15% OFF your first order
Use a coupon FIRST15 and enjoy expert help with any task at the most affordable price.
Claim my 15% OFF Order in Chat
AllEscort
Live ChatWhatsApp
AllEscort