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Human Health & Physiology (SL & HL)
Test Description: Questions pertaining to Topic 6 (Human Health & Physiology) of the IB Biology syllabus
Instructions: Answer all questions to get your test result.
1) How is in vitro fertilization different from natural fertilization in humans?
A
In vitro fertilization involves artificial injection of sperm into the uterus
B
In vitro fertilization uses stem cells instead of eggs
C
In vitro fertilization happens outside the body
D
In vitro fertilization only involves one parent
2) In what sequence do the hormones reach their maximum level if the cycle begins at the start of menstruation?
A
FSH, progesterone, LH, estrogen
B
LH, progesterone, FSH, estrogen
C
FSH, estrogen, LH, progesterone
D
LH, estrogen, FSH, progesterone
3) Which muscles contract to cause air to pass out from the lungs through the bronchioles?
A
Internal intercostal muscles and abdomen wall muscles
B
External intercostal muscles and diaphragm
C
Internal intercostal muscles and diaphragm
D
External intercostal muscles and abdomen wall muscles
4) What name is given to the molecules that bind to foreign proteins that enter the body?
A
antibodies
B
antibiotics
C
antigens
D
allergens
5) What causes a resting potential to develop in a neuron?
A
Active transport of potassium and diffusion of chloride ions
B
Active transport of sodium and diffusion of chloride ions
C
Diffusion of sodium and potassium ions
D
Active transport of sodium and potassium ions
6) Which pair of statements correctly describes the concentrations of O2 and CO2 in the lungs?
A
O2 is lower in the capillaries: CO2 is higher in the alveoli
B
O2 is higher in the alveoli; CO2 is higher in the capillaries
C
O2 is lower in the alveoli; CO2 is higher in the capillaries
D
O2 is higher in the capillaries; CO2 is higher in the alveoli
7) William Harvey discovered that blood flows away from the heart in arteries and back to the heart in veins. What hypothesis could be developed from this discovery?
A
Veins are connected to the left side of the heart and arteries to the right side.
B
Blood vessels link up arteries to veins.
C
How blood moves from arteries to veins.
D
The human body contains both arteries and veins.
8) Which vessel carries deoxygenated blood?
A
The pulmonary vein
B
The pulmonary artery
C
The aorta
D
The coronary artery
9) What does the digestion of starch by amylase produce?
A
lactose
B
maltose
C
sucrose
D
galactose
10) What substance is released into the blood by the pancreas when blood glucose levels are low?
A
glucagon
B
glycogen
C
insulin
D
glucose
*select an answer for all questions
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