BIOL 2457 EXAM 1 CHAPTERS 1-5 QUESTIONS
WITH CORRECT ANSWERS 2025/2026
1. The analysis of the internal structure of individual cells is called - CORRECT ANSWER -
cytology
2. Which organ system includes the spleen and the tonsils? - CORRECT ANSWER -lymphatic
3. The pituitary gland and the thyroid gland are organs of the system - CORRECT
ANSWER -endocrine
4. If a response increases a disturbance (stimulus), the system is classified as a
feedback system - CORRECT ANSWER -positive
5. The wrist is to th elbow - CORRECT ANSWER -distal
6. The chin is to the nose - CORRECT ANSWER -inferior
7. Which of the following terms refers to the foot? - CORRECT ANSWER -pedal
8. A midsaggital section would pass through the - CORRECT ANSWER -heart
9. While standing erect, the direction of the caudal is - CORRECT ANSWER -downward
10. The muscle known as the diaphragm separates the from the - CORRECT
ANSWER -thoracic cavity from the abdominopelvic cavity
, 11. If an isotope of oxygen has 9 protons, 10 neutrons, and 8 electrons, its mass number is -
CORRECT ANSWER -18
12. The chemical behavior of an atom is determined by - CORRECT ANSWER -the outermost
electron shell
13. All of the following are true about enzymes, except that they - CORRECT ANSWER -are
consumed during the reaction
14. In dehydration reactions, compounds - CORRECT ANSWER -lose water molecules
15. A solution containing equal numbers of hydrogen ions and hydroxide ions is - CORRECT
ANSWER -neutral
16. Hydrophilic molecules readily associate with - CORRECT ANSWER -water molecules
17. The alpha-helix and pleated sheets are examples of protein structure -
CORRECT ANSWER -secondary
18. Lipids - CORRECT ANSWER -*all of the above*
19. -Form essential structural components of cells
20. -Provide roughly twice the energy as carbohydrates
21. -Help to maintain body temperature
22. -Cushion against shocks
23. A nucleotide consists of - CORRECT ANSWER -a five-carbon sugar, a nitrogenous base,
and a phosphate group
WITH CORRECT ANSWERS 2025/2026
1. The analysis of the internal structure of individual cells is called - CORRECT ANSWER -
cytology
2. Which organ system includes the spleen and the tonsils? - CORRECT ANSWER -lymphatic
3. The pituitary gland and the thyroid gland are organs of the system - CORRECT
ANSWER -endocrine
4. If a response increases a disturbance (stimulus), the system is classified as a
feedback system - CORRECT ANSWER -positive
5. The wrist is to th elbow - CORRECT ANSWER -distal
6. The chin is to the nose - CORRECT ANSWER -inferior
7. Which of the following terms refers to the foot? - CORRECT ANSWER -pedal
8. A midsaggital section would pass through the - CORRECT ANSWER -heart
9. While standing erect, the direction of the caudal is - CORRECT ANSWER -downward
10. The muscle known as the diaphragm separates the from the - CORRECT
ANSWER -thoracic cavity from the abdominopelvic cavity
, 11. If an isotope of oxygen has 9 protons, 10 neutrons, and 8 electrons, its mass number is -
CORRECT ANSWER -18
12. The chemical behavior of an atom is determined by - CORRECT ANSWER -the outermost
electron shell
13. All of the following are true about enzymes, except that they - CORRECT ANSWER -are
consumed during the reaction
14. In dehydration reactions, compounds - CORRECT ANSWER -lose water molecules
15. A solution containing equal numbers of hydrogen ions and hydroxide ions is - CORRECT
ANSWER -neutral
16. Hydrophilic molecules readily associate with - CORRECT ANSWER -water molecules
17. The alpha-helix and pleated sheets are examples of protein structure -
CORRECT ANSWER -secondary
18. Lipids - CORRECT ANSWER -*all of the above*
19. -Form essential structural components of cells
20. -Provide roughly twice the energy as carbohydrates
21. -Help to maintain body temperature
22. -Cushion against shocks
23. A nucleotide consists of - CORRECT ANSWER -a five-carbon sugar, a nitrogenous base,
and a phosphate group
