Medical Knowledge Anatomy & Physiology 3

Question 1

What is the primary role of the lymphatic system?

Accepted Answer

Immune defense and fluid balance

Answer

The lymphatic system maintains fluid homeostasis and supports immunity by transporting lymph and producing lymphocytes.

Question 2

Which gland is known as the 'master gland' of the endocrine system?

Accepted Answer

Pituitary

Answer

The pituitary gland controls other endocrine glands by secreting trophic hormones that regulate their activity.

Question 3

Which tissue type covers body surfaces and lines internal cavities?

Accepted Answer

Epithelial

Answer

Epithelial tissue forms protective layers on external surfaces and lines internal organs and passageways.

Question 4

Which neurotransmitter is primarily associated with the 'fight or flight' response?

Accepted Answer

Epinephrine

Answer

Epinephrine (adrenaline) is released during stress, triggering increased heart rate, blood pressure, and energy mobilization.

Question 5

What is the normal adult body temperature in Fahrenheit?

Accepted Answer

98.6°F

Answer

Normal adult body temperature is 98.6°F (37°C), though slight variation throughout the day is normal.

Medical Knowledge Practice Test