Nursing Entrance Domain 4: Science Welcome to your Nursing Entrance Domain 4: Science 1. Nursing Entrance: Science Which of the following best describes the role of ribosomes in a eukaryotic cell? Synthesizing steroids Generating ATP Producing proteins Packaging proteins for secretion None 2. Nursing Entrance: Science What is the primary function of the myelin sheath in a neuron? To transmit nerve impulses to the synapse To increase the speed of nerve impulse transmission To protect the neuron from external damage To produce neurotransmitters None 3. Nursing Entrance: Science In the context of Mendelian genetics, what is the expected phenotypic ratio of a monohybrid cross between two heterozygous parents (Aa x A A) 3:1 1:02:01 9:3:3:1 1:01 None 4. Nursing Entrance: Science Which of the following is NOT a function of the liver? Production of bile Regulation of blood glucose levels Synthesis of vitamin D Detoxification of blood None 5. Nursing Entrance: Science In human females, the process of oogenesis results in how many mature egg cells from one primary oocyte? 1 2 4 8 None 6. Nursing Entrance: Science Which type of bond is formed by the sharing of electron pairs between atoms? Ionic bond Covalent bond Hydrogen bond Van der Waals forces None 7. Nursing Entrance: Science What is the primary site of protein synthesis in a cell? Nucleus Endoplasmic reticulum Golgi apparatus Ribosomes None 8. Nursing Entrance: Science Which organ system is primarily responsible for regulating metabolism, mood, and growth? Digestive system Endocrine system Nervous system Cardiovascular system None 9. Nursing Entrance: Science During which phase of mitosis do the chromosomes align at the cell's equatorial plate? Prophase Metaphase Anaphase Telophase None 10. Nursing Entrance: Science The law of independent assortment applies to the segregation of alleles during which phase of cell division? Meiosis I Meiosis II Mitosis Cytokinesis None 11. Nursing Entrance: Science What is the main function of the enzyme catalase in the human body? To synthesize DNA To break down alcohol To convert hydrogen peroxide into water and oxygen To aid in digestion of proteins None 12. Nursing Entrance: Science Which part of the brain is primarily responsible for balance and coordination? Cerebrum Cerebellum Medulla oblongata Hypothalamus None 13. Nursing Entrance: Science Which hormone is primarily responsible for the regulation of the menstrual cycle in females? Insulin Testosterone Estrogen Cortisol None 14. Nursing Entrance: Science In the context of respiratory physiology, what does Boyle's law describe? The relationship between gas pressure and volume in the lungs The exchange of gases in the alveoli The transport of oxygen by hemoglobin The regulation of breathing rate by carbon dioxide levels None 15. Nursing Entrance: Science What is the primary function of neutrophils in the human body? To produce antibodies To regulate blood sugar levels To clot blood To phagocytize pathogens None 16. Nursing Entrance: Science Which gland is often referred to as the "master gland" of the endocrine system? Thyroid gland Adrenal gland Pituitary gland Pancreas None 17. Nursing Entrance: Science The bending of light rays as they pass through different media is known as what? Reflection Refraction Diffraction Polarization None 18. Nursing Entrance: Science Which of the following molecules is primarily responsible for carrying oxygen in the blood? Platelets Hemoglobin Plasma White blood cells None 19. Nursing Entrance: Science In which part of the human digestive system does the majority of nutrient absorption occur? Stomach Small intestine Large intestine Esophagus None 20. Nursing Entrance: Science Which cellular process results in the production of two identical daughter cells from a single parent cell? Meiosis Mitosis Fertilization Binary fission None 1 out of 20 Time is Up! Time's up