health exam revision test

What are the main components of a sperm cell?

• Head, middle piece, and tail

• Nucleus, cytoplasm, and zona pellucida

• Mitochondria, ribosomes, and lysosomes

• Cell wall, chloroplast, and vacuole

Which part of the sperm cell contains enzymes to help penetrate the egg?

• Tail

• Middle piece

• Head

• Cytoplasm

What is the function of the mitochondria in the sperm's middle piece?

• To produce ATP for energy

• To store genetic material

• To protect the sperm

• To regulate sperm entry

What is the role of the zona pellucida in the oocyte?

• It stores nutrients for the oocyte

• It acts as a protective layer and regulates sperm entry

• It contains haploid genetic material

• It provides energy for the oocyte

During which step of fertilization do membranes from sperm and oocyte combine?

• Capacitation

• Sperm binding

• Acrosomal reaction

• Membrane fusion

What is the result when two sets of chromosomes combine during zygote formation?

• A haploid zygote

• A diploid zygote

• A triploid zygote

• A tetraploid zygote

Which of the following is a factor that affects both male and female fertility?

• Ovulation disorders

• Low sperm quality/count

• Age-related factors

• Ejaculation disorders

What is the primary function of hormonal methods of contraception?

• To physically block sperm from reaching the egg

• To change hormone levels to prevent pregnancy

• To enhance sperm motility

• To increase egg production

At what stage of embryonic and foetal development does the morula form?

• Day 1-2

• Roughly 3-4 days after fertilization

• Week 9

• End of week 8

What is the term used to refer to the baby in its early stages of development until the end of week 8?

• Foetus

• Zygote

• Embryo

• Blastocyst