HUMAN BODY SYSTEM (MCQs)

The smallest muscles (stapedius) in the human body are found in:

• (A) Buttocks
• (B) Ears
• (C) Thigh
• (D) Chest

Which is the principal muscle of respiration?

• (A) Cilia
• (B) Flagella
• (C) Cardiac muscle
• (D) Diaphragm

Which muscle group covers the front and sides of the thigh?

• (A) Vastus muscle
• (B) Quadriceps femoris muscle
• (C) Hamstring muscle
• (D) Adductor muscle

Saliva in man is _______.

• (A) Acidic
• (B) Alkaline
• (C) Neutral
• (D) Bitter

How much blood does an average adult have in the body?

• (A) 3-4 liters
• (B) 4-5 liters
• (C) 5-6 liters
• (D) 6-7 liters

The normal temperature of the human body in degree Celsius is:

• (A) 33°C
• (B) 35°C
• (C) 37°C
• (D) 39°C

During sleep the man’s blood pressure:

• (A) Increases
• (B) Decreases
• (C) Remains constant
• (D) Fluctuates

It is estimated that the human being consists of _______ cells.

• (A) 27 millions
• (B) 15 trillions
• (C) 37.5 trillions
• (D) 500 billions

Which organ controls all the body parts?

• (A) Lungs
• (B) Brain
• (C) Kidney
• (D) Liver

Which part of skull contains the brain?

• (A) Occipital bone
• (B) Cranium
• (C) Maxilla
• (D) Mandible