Anatomy And Physiology MCQ Questions and Answers
1. In the digestive system, where does most of the absorption of nutrients occur?
A) Stomach
b) Small intestine
c) Large intestine
d) Esophagus
2. The largest organ in the human body is __________
a) Brain
b) Heart
c) Liver
d) Skin
3. What is the function of the red blood cells (erythrocytes)?
a) Carrying oxygen
b) Digesting food
c) Filtration of toxins
d) Producing antibodies
4. Which hormone is responsible for regulating blood sugar levels?
a) Insulin
b) Testosterone
c) Estrogen
d) Thyroxine
5. Which of the following bones is found in the forearm?
a) Femur
b) Radius
c) Tibia
d) Patella
6. Which organ is responsible for filtering and detoxifying the blood in the body?
a) Lungs
b) Kidneys
c) Spleen
d) Pancreas
7. The “voice box” is also known as the_____
a) Larynx
b) Trachea
c) Pharynx
d) Epiglottis
8. Which bone in the human body is often referred to as the “collarbone”?
a) Femur
b) Scapula
c) Radius
d) Clavicle
9. Which part of the brain is responsible for regulating basic life-sustaining functions such as breathing and heart rate?
a) Cerebellum
b) Hypothalamus
c) Medulla oblongata
d) Cerebral cortex
10. The bones of the fingers and toes are known as:
a) Carpals
b) Tarsals
c) Phalanges
d) Metacarpals
11. Which hormone is responsible for regulating calcium levels in the body?
a) Insulin
b) Thyroxine
c) Parathyroid hormone
d) Estrogen
12. Which organ is responsible for producing insulin and glucagon to regulate blood sugar levels?
a) Liver
b) Spleen
c) Pancreas
d) Gallbladder
13. The “fight or flight” response is associated with the release of which hormone?
a) Adrenaline
b) Estrogen
c) Melatonin
d) Oxytocin
14. What is the outermost layer of the skin called?
a) Dermis
b) Subcutaneous layer
c) Epidermis
d) Hypodermis
15. How many chambers are there in the human heart?
a) 1
b) 2
c) 3
d) 4
16. What is the smallest unit of life in the human body?
a) Cell
b) Organ
c) Tissue
d) Organism
17. The process of breaking down food into smaller molecules for absorption is called:
a) Respiration
b) Excretion
c) Digestion
d) Circulation
18. Which of the following is a hormone produced by the adrenal glands in response to stress?
a) Thyroxine
b) Cortisol
c) Melatonin
d) Estrogen
19. Which of the following is not a component of blood?
a) Plasma
b) Platelets
c) Lymphocytes
d) Hemoglobin
20. In which part of the digestive system are most nutrients absorbed into the bloodstream?
a) Stomach
b) Esophagus
c) Large intestine
d) Small intestine