#1
Which of the following is a function of the pancreas?
Regulation of blood sugar levels
ExplanationRegulates blood glucose levels through insulin and glucagon secretion.
#2
During which stage of pregnancy does the fetus develop its major organs?
First trimester
ExplanationMajor organ development occurs during the first trimester.
#3
Which of the following structures is NOT part of the female reproductive system?
Prostate gland
ExplanationThe prostate gland is part of the male reproductive system.
#4
Which of the following is the site of gas exchange in the respiratory system?
Alveoli
ExplanationAlveoli facilitate gas exchange in the lungs.
#5
Which hormone is responsible for regulating the sleep-wake cycle?
Melatonin
ExplanationMelatonin regulates the sleep-wake cycle.
#6
Which of the following is NOT a function of the kidneys?
Producing red blood cells
ExplanationKidneys regulate fluid balance, electrolytes, and blood pressure.
#7
Which hormone is responsible for the development of secondary sexual characteristics in males?
Testosterone
ExplanationTestosterone drives the development of male secondary sexual traits.
#8
What is the term for the process by which a fertilized egg implants itself into the lining of the uterus?
Implantation
ExplanationImplantation refers to the attachment of the embryo to the uterine wall.
#9
What is the name of the process by which cells specialize into different cell types during development?
Differentiation
ExplanationDifferentiation leads cells to take on specific functions.
#10
Which of the following is NOT a function of the skeletal system?
Producing red blood cells
ExplanationRed blood cell production occurs in the bone marrow.
#11
What is the role of the adrenal glands?
Producing adrenaline
ExplanationAdrenal glands secrete adrenaline in response to stress.
#12
Which of the following is a function of the lymphatic system?
Producing antibodies
ExplanationLymphatic system generates antibodies to fight pathogens.
#13
Which of the following is NOT a stage of mitosis?
Interphase
ExplanationInterphase is a preparatory phase before mitosis.
#14
What is the main function of the hypothalamus in the brain?
Controlling hunger and thirst
ExplanationHypothalamus regulates basic physiological processes including hunger and thirst.
#15
Which of the following is a characteristic of an ectotherm?
Relies on external sources to regulate body temperature
ExplanationEctotherms depend on external sources to maintain body temperature.
#16
What is the name of the process by which nerve cells communicate with each other?
Synaptic transmission
ExplanationSynaptic transmission involves chemical signals between neurons.
#17
Which of the following is NOT a function of the liver?
Regulating blood pressure
ExplanationLiver's main functions include metabolism, detoxification, and bile production.
#18
What is the name of the process by which white blood cells engulf and destroy pathogens?
Phagocytosis
ExplanationPhagocytosis is the process of white blood cells engulfing and destroying pathogens.