APHY 101 Exam 1 (Ch 1-4) Questions and Answers |Fall 2026/2027
Update | 100% Correct Latest
1. The upper midportion of the abdomen is called the region.
a. Hypochondriac b. Iliac c. Hypogastric d. Epigastric
2. Why are the topics of anatomy and physiology difficult to separate?
a. The body parts take up space.
b. Physiological functions depend on anatomy of structures.
c. Physiological functions in an organism are ongoing.
d. Our understanding of physiology is changing more than our understanding of anatomy.
3. Which option lists the structures in order of increasing size?
a. Nucleotide; nitrogenous base; chromosome; gene; genome.
b. Genome; nitrogenous base; chromosome; gene; nucleotide.
c. Nitrogenous base; nucleotide; gene; chromosome; genome.
d. Chromosome; nucleotide; nitrogenous base; genome; gene.
4. An acid is an electrolyte that releases hydroxide ions (OH') in water.
a. a. True b. False
5. Which of the following illustrates a positive feedback mechanism?
a. Maintenance of blood pressure. c. Control of blood sugar.
b. Body temperature control. d. Uterine contractions during childbirth.
6. Any molecule within a cell that has a uracil group will also contain .
a. Ribose b. Deoxyribose c. Glucose d. Glycerol
7. How is a peptide bond formed?
a. Dehydration synthesis with glucose molecules as substrates.
b. Dehydration synthesis with amino acids as substrates.
c. Hydrolysis of a triglyceride molecule.
d. Hydrolysis of a dipeptide.
8. Enzymes are proteins that promote specific chemical reactions.
a. a. True b. False
9. How do the atoms of different elements differ from one another?
a. They have the same atomic numbers but different mass numbers.
b. They have different atomic numbers but the same number of electrons.
c. They have the same atomic numbers and the same mass numbers.
d. They have different atomic numbers and different mass numbers.
, 10. The diaphragm separates the thoracic and the abdominopelvic cavities.
a. True b. False
11. What are the three major parts of a cell?
a. Endoplasmic reticulum, Golgi apparatus, and vesicles.
b. Nucleus, nucleolus, and nuclear envelope.
c. Microtubules, ribosomes, and centrosomes.
d. Nucleus, cytoplasm, and cell membrane.
12. Cell membranes are described as a fluid mosaic that maintains stability while still allowing movement.
What component is responsible for most of the flexibility of the membrane?
a. Polysaccharides c. Integral proteins
b. Carbohydrates d. Phospholipid bilayer
13. Which of the following is a product of the citric acid cycle?
a. Pyruvic acid b.. Water c. Glycogen d. Carbon dioxide
14. Peroxisomes and lysosomes are sacs that contain enzymes.
a. True b. False
15. Molecules bind to receptor sites and are enclosed in vesicles in the process of .
a. Exocytosis c. Phagocytosis
b. Pinocytosis d. Receptor-mediated endocytosis
16. DNA and RNA differ in number of strands, type of sugar, and types of nitrogenous bases.
a. True b. False
17. Positron emission tomography (PET) imaging relies upon the emission of from radioactive
isotopes such as carbon-11.
a. negatively charged electrons c. protons
b. positively charged neutrons d. positively charged electrons
18. In order to understand how digestion of nutrients occurs, or how nutrients are used to provide cellular
energy, it is necessary to understand .
a. Chemistry b. Radioactivity c. Cytology d. Anatomy
19. What is/are the origin(s) of many of the terms in anatomy and physiology?
a. Spanish and Portuguese c. Greek and Latin
b. French and German d. Chinese and Japanese
20. What are nucleic acids?
Update | 100% Correct Latest
1. The upper midportion of the abdomen is called the region.
a. Hypochondriac b. Iliac c. Hypogastric d. Epigastric
2. Why are the topics of anatomy and physiology difficult to separate?
a. The body parts take up space.
b. Physiological functions depend on anatomy of structures.
c. Physiological functions in an organism are ongoing.
d. Our understanding of physiology is changing more than our understanding of anatomy.
3. Which option lists the structures in order of increasing size?
a. Nucleotide; nitrogenous base; chromosome; gene; genome.
b. Genome; nitrogenous base; chromosome; gene; nucleotide.
c. Nitrogenous base; nucleotide; gene; chromosome; genome.
d. Chromosome; nucleotide; nitrogenous base; genome; gene.
4. An acid is an electrolyte that releases hydroxide ions (OH') in water.
a. a. True b. False
5. Which of the following illustrates a positive feedback mechanism?
a. Maintenance of blood pressure. c. Control of blood sugar.
b. Body temperature control. d. Uterine contractions during childbirth.
6. Any molecule within a cell that has a uracil group will also contain .
a. Ribose b. Deoxyribose c. Glucose d. Glycerol
7. How is a peptide bond formed?
a. Dehydration synthesis with glucose molecules as substrates.
b. Dehydration synthesis with amino acids as substrates.
c. Hydrolysis of a triglyceride molecule.
d. Hydrolysis of a dipeptide.
8. Enzymes are proteins that promote specific chemical reactions.
a. a. True b. False
9. How do the atoms of different elements differ from one another?
a. They have the same atomic numbers but different mass numbers.
b. They have different atomic numbers but the same number of electrons.
c. They have the same atomic numbers and the same mass numbers.
d. They have different atomic numbers and different mass numbers.
, 10. The diaphragm separates the thoracic and the abdominopelvic cavities.
a. True b. False
11. What are the three major parts of a cell?
a. Endoplasmic reticulum, Golgi apparatus, and vesicles.
b. Nucleus, nucleolus, and nuclear envelope.
c. Microtubules, ribosomes, and centrosomes.
d. Nucleus, cytoplasm, and cell membrane.
12. Cell membranes are described as a fluid mosaic that maintains stability while still allowing movement.
What component is responsible for most of the flexibility of the membrane?
a. Polysaccharides c. Integral proteins
b. Carbohydrates d. Phospholipid bilayer
13. Which of the following is a product of the citric acid cycle?
a. Pyruvic acid b.. Water c. Glycogen d. Carbon dioxide
14. Peroxisomes and lysosomes are sacs that contain enzymes.
a. True b. False
15. Molecules bind to receptor sites and are enclosed in vesicles in the process of .
a. Exocytosis c. Phagocytosis
b. Pinocytosis d. Receptor-mediated endocytosis
16. DNA and RNA differ in number of strands, type of sugar, and types of nitrogenous bases.
a. True b. False
17. Positron emission tomography (PET) imaging relies upon the emission of from radioactive
isotopes such as carbon-11.
a. negatively charged electrons c. protons
b. positively charged neutrons d. positively charged electrons
18. In order to understand how digestion of nutrients occurs, or how nutrients are used to provide cellular
energy, it is necessary to understand .
a. Chemistry b. Radioactivity c. Cytology d. Anatomy
19. What is/are the origin(s) of many of the terms in anatomy and physiology?
a. Spanish and Portuguese c. Greek and Latin
b. French and German d. Chinese and Japanese
20. What are nucleic acids?
