FREE COMSAE Basic Biomedical Sciences Questions and Answers

Question 1

What is the primary function of mitochondria in eukaryotic cells?

Accepted Answer

Energy production

Answer

Protein synthesis

Answer

DNA replication

Answer

Structural support

Question 2

Which type of epithelium lines the respiratory tract?

Accepted Answer

Pseudostratified columnar epithelium with cilia

Answer

Simple squamous epithelium

Answer

Stratified squamous epithelium

Answer

Transitional epithelium

Question 3

In glycolysis, what is the end product that enters the citric acid cycle under aerobic conditions?

Accepted Answer

Acetyl-CoA

Answer

Pyruvate

Answer

Lactate

Answer

Glucose

Question 4

Which cranial nerve is responsible for motor innervation to the muscles of mastication?

Accepted Answer

Trigeminal nerve (CN V3 - mandibular branch)

Answer

Facial nerve (CN VII)

Answer

Hypoglossal nerve (CN XII)

Answer

Glossopharyngeal nerve (CN IX)

Question 5

What type of immune cell is primarily involved in antibody production?

Accepted Answer

Macrophages

Answer

T lymphocytes

Answer

B lymphocytes

Answer

Natural killer cells