BIO 221 Human and Physiology Exam 1 Questions & Answers
Choose the alternative that best completes the statement or answers the questions. There is
... [Show More] only one correct answer for each question.
1. Which of the following study methods are useful for anatomy and physiology courses?
a. read the lecture sections before class
b. devote a block of time for study
c. do not procrastinate
d. develop memorization skills
e. all of the answers are correct
2. is considered the oldest medical science.
a. Anatomy
b. Biology
c. Physiology
d. Cytology
e. Embryology
3. The study of the first two months of development is termed
a. histology
b. embryology
c. cytology
d. pathology
e. organology
4. Which of the following is arranged in correct order from the most complex to the simplest?
a. cellular, tissue, molecular, system, organ, organism
b. molecular, cellular, tissue, organ, system, organism
c. tissue, cellular, molecular, organ, system, organism
d. organ, organism, molecular, cellular, tissue, system
e. organism, system, organ, tissue, cellular, molecular
5. Anatomy is to as physiology is to
a. function; form
b. form; structure
c. structure; function
d. structure; form
e. growth; form
6. The analysis of the internal structure of individual cells is called a. cytology
b. histology
c. embryology
d. physiology
e. anatomy
7. The integrating center for the negative feedback loop that regulates body temperature is the a. hypothalamus
b. skin
c. temperature sensor
d. positive feedback
e. thermostat
8. The smallest living unit within the human body is
a. a protein b. the cell
c. a tissue
d. an organ
e. an organ system
9. The organelles and the watery component of the cell together is called a. cytosol
b. protoplasm
c. extracellular fluid
d. interstitial fluid
e. cytoplasm
10. Which of the following is not a function of membrane proteins?
a. bind to ligands
b. regulates the passage of ions
c. act as carrier molecules for various solutes
d. act as anchors or stabilizers for the cell membrane e. storage of cellular nutrients
11. Many proteins in the cytosol are that accelerate metabolic reactions
a. carbohydrates b. enzymes
c. lipids
d. messengers
e. ions
12. Most of the ATP required to power cellular operations is produced in the
a. cytoplasm
b. endoplasmic reticulum
c. nucleus
d. mitochondria
e. cilia
13. Synthesis of lipids and glycogen takes place at the
a. ribosomes
b. rough ER c. smooth ER
d. Golgi apparatus
e. Mitochondria
14. Renewal or modification of the cell membrane is a function of the
a. microtubules
b. mitochondria
c. rough endoplasmic reticulum
d. ribosomes
e. Golgi apparatus
15. Which form of endoplasmic reticulum modifies and packages newly synthesized protein?
a. ribosomal endoplasmic reticulum
b. proteasomes reticulum
c. raised endoplasmic reticulum
d. smooth endoplasmic reticulum e. rough endoplasmic reticulum
16. Histones are found in a. nucleosomes
b. proteasomes
c. lysosomes
d. vesicles
e. endosomes
17. The control center for cellular operations is the a. nucleus
b. mitochondria
c. Golgi apparatus
d. endoplasmic reticulum
e. ribosome
18. Most of a cell’s DNA is located in its
a. ribosomes
b. lysosomes
c. Golgi apparatus d. nucleus
e. nucleolus
19. A mature red blood cell lacks a nucleus; therefore, it
a. can repair itself readily
b. is malformed
c. can only divide once more
d. will be a long-lived cell
e. cannot make new proteins and will be worn out with a few months.
20. mRNA is needed to synthesize in the cytoplasm
a. carbohydrates
b. lipids
c. proteins
d. phospholipids
e. salt
21. The ‘atomic weight” of an atom reflects the average number of
a. protons
b. neutrons
c. electrons
d. protons + neutrons
e. protons + neutrons + electrons
22. Isotopes of an element differ in the number of a. protons in the nucleus
b. electrons in the nucleus
c. neutrons in the nucleus
d. neutrons clouds
e. electron in energy shells
23. Radioisotopes have unstable
a. ion
b. nuclei
c. isotopes
d. electron clouds
e. protons
24. Indicate which of these lists contains only trace elements
a. sulfur, chlorine, oxygen
b. selenium, hydrogen, calcium [Show Less]