Question 1

Which of the following best describes the primary function of the lymphatic system?

Accepted Answer

Returning interstitial fluid to the bloodstream and providing immune defense

Question 2

A patient presents with a high eosinophil count. Which of the following is the most likely cause?

Accepted Answer

Parasitic infection

Question 3

Which immunoglobulin is most abundant in the blood and is primarily responsible for resistance against bacteria and viruses?

Accepted Answer

IgG

Question 4

Which of the following best explains why X-linked genetic disorders are more commonly expressed in males?

Accepted Answer

Males have only one X chromosome, so a single recessive allele will be expressed.

Question 5

Which cell type is responsible for producing testosterone in the male reproductive system?

Accepted Answer

Leydig cells

Question 6

A person with type AB blood can safely receive blood from which of the following donors?

Accepted Answer

All ABO blood types

Question 7

Which of the following is a key difference between innate (nonspecific) and acquired (specific) immunity?

Accepted Answer

Acquired immunity is mediated by lymphocytes and is specific to particular antigens.

Question 8

Which hormone triggers ovulation in the female reproductive cycle?

Accepted Answer

Luteinizing hormone (LH)

Question 9

Which of the following white blood cells is most abundant in the human body and is the first responder to bacterial infections?

Accepted Answer

Neutrophils

Question 10

A patient is diagnosed with an autoimmune disease. Which of the following best describes what is happening in their body?

Accepted Answer

The immune system attacks the body's own healthy cells.

Question 11

Which of the following best describes the main difference between B lymphocytes and T lymphocytes?

Accepted Answer

B lymphocytes produce antibodies, while T lymphocytes directly attack infected cells.

Question 12

Which phase of the uterine cycle is characterized by the rebuilding of the endometrial lining?

Accepted Answer

Proliferative phase

Question 13

Which of the following best describes the process of spermatogenesis compared to oogenesis?

Accepted Answer

Spermatogenesis produces four mature sperm per precursor cell, while oogenesis produces one mature egg.

Question 14

Which immunoglobulin is primarily involved in allergic reactions?

Accepted Answer

IgE

Question 15

Which of the following is a primary lymphatic organ?

Accepted Answer

Thymus

Question 16

A patient is exposed to a virus for the first time. Which immune response is activated first?

Accepted Answer

Innate (nonspecific) immune response

Question 17

Which hormone is produced by granulosa cells in the ovary?

Accepted Answer

Estrogen

Question 18

Which of the following best describes the difference in immune response to bacteria versus viruses?

Accepted Answer

Bacteria are primarily targeted by antibodies, while viruses require both antibodies and cytotoxic T cells.

Question 19

Which of the following triggers the start of the menstrual cycle?

Accepted Answer

A drop in progesterone and estrogen levels

Question 20

Which organ is responsible for producing gametes in males and females, respectively?

Accepted Answer

Testes in males, ovaries in females

Immune and Reproductive System Study Guide – Step-by-Step Guidance

Study Guide - Practice Questions