#1
Which organ produces insulin?
Pancreas
ExplanationPancreas secretes insulin to regulate blood sugar levels.
#2
Which of the following is not a component of the lymphatic system?
Pituitary gland
ExplanationThe pituitary gland is part of the endocrine system, not the lymphatic system.
#3
Which structure connects the pharynx to the stomach?
Esophagus
ExplanationThe esophagus connects the throat (pharynx) to the stomach.
#4
What is the smallest bone in the human body?
Stapes
ExplanationStapes, a bone in the middle ear, is the smallest bone in humans.
#5
Which blood vessels carry blood away from the heart?
Arteries
ExplanationArteries carry oxygen-rich blood away from the heart to the body.
#6
Which of the following bones is not part of the human skull?
Clavicle
ExplanationClavicle (collarbone) is not part of the human skull.
#7
Which leukocyte is primarily responsible for antibody production?
Lymphocyte
ExplanationLymphocytes, specifically B cells, produce antibodies.
#8
What is the term for the process of engulfing and digesting foreign particles or cells by phagocytes?
Phagocytosis
ExplanationPhagocytosis is the cellular process of engulfing and digesting foreign substances.
#9
Which gland regulates calcium levels in the blood?
Parathyroid gland
ExplanationParathyroid gland regulates calcium levels in the blood.
#10
Which part of the brain is responsible for regulating body temperature and hunger?
Hypothalamus
ExplanationHypothalamus regulates body temperature and hunger among other functions.
#11
Which type of muscle is involuntary and found in the walls of internal organs?
Smooth muscle
ExplanationSmooth muscles are involuntary and found in internal organ walls.
#12
Which gland is often called the 'master gland' because it regulates other endocrine glands?
Pituitary gland
ExplanationPituitary gland, the 'master gland,' regulates other endocrine glands.
#13
Which immunoglobulin is involved in allergic reactions?
IgE
ExplanationIgE antibodies are associated with allergic reactions.
#14
What is the medical term for the voice box?
Larynx
ExplanationLarynx is the medical term for the voice box.
#15
Which of the following is not a function of the skin?
Producing vitamin C
ExplanationThe skin doesn't produce vitamin C; it provides a protective barrier.
#16
What is the medical term for the collarbone?
Clavicle
ExplanationClavicle is the medical term for the collarbone.
#17
Which gland is responsible for the production of melatonin?
Pineal gland
ExplanationPineal gland produces melatonin, regulating sleep-wake cycles.