Human Anatomy and Physiology A
Lecture exam 1 (Fall 2012)

IMPORTANT: bubble in NAME, 9-digit number, TEST FORM (a or b), and SUBJ SCORE (000)

1. A ___________________ section would divide the body into upper and lower portions.
a. transverse
b. frontal
c. sagittal
d. coronal
e. median

2. The following are components of a homeostatic response
1. stimulus
2. effector
3. response
4. control center
5. receptor

Place them in order
a. 1, 5, 3, 2, 4
b. 5, 1, 2, 3, 4
c. 1, 5, 4, 2, 3
d. 1, 4, 5, 2, 3
e. 2, 1, 4, 5, 3 3. In the reflexive correction of blood pressure (baroreflex), the effector is the
a. spinal cord
b. heart
c. sweat gland
d. skin
e. brain stem

6. The ability of an organism to maintain a relatively stable internal environment is
a. homeostasis
b. differentiation
c. development
d. responsiveness
e. stimulus

7. A self-amplifying chain of physiological events is called
a. negative feedback
b. dynamic constancy
c. homeostasis
d. positive feedback
e. metabolism

8. The visceral pericardium is the
a. inner membrane around the lung
b. outer membrane around the heart
c. inner membrane around the heart
d. membrane lining the abdominopelvic cavity
e. membrane covering the small intestine

9. ______________ is the opposite of proximal.
a. inferior
b. medial
c. posterior
d. distal
e. proximal

10. Which of the following refers to the wrist?
a. popliteal
b. carpal
c. tarsal
d. sacral
e. coxal

11. The most inferior abdominal region is
a. umbilical
b. lumbar
c. hypochondriac
d. hypogastric
e. epigastric

12. Patellar refers to the
a. groin
b. knee
c. ankle
d. forearm
e. armpit

13. Which of the following means toward the back?
a) superficial
b) proximal
c) dorsal
d) ventral
e) lateral

14. Which of the following are components of the cell membrane?
a. Phospholipids
b. Cholesterol molecules
c. Proteins
d. All of the above
e. a and c only

15. The ribosome
a. sorts, modifies, and packages proteins into vesicles
b. contains enzymes that break down proteins, complex carbohydrates, and phospholipids
c. assembles amino acids into proteins
d. carries out ATP synthesis
e. is composed of microtubules and is critical for cell division

16. The fluid inside a cell is called
a. cytosol
b. intracellular fluid
c. extracellular fluid
d. cytoplasm
e. nucleoplasm

17. The Golgi apparatus
a. sorts, modifies, and packages proteins into vesicles
b. contains enzymes that break down proteins, complex carbohydrates, and phospholipids
c. assembles amino acids into proteins
d. carries out ATP synthesis
e. is composed of microtubules and is critical for cell division

18. The mitochondrion
a. sorts, modifies, and packages proteins into vesicles
b. contains enzymes that break down proteins, complex carbohydrates, and phospholipids
c. assembles amino acids into proteins
d. carries out ATP synthesis
e. is composed of microtubules and is critical for cell division

19. Filtration is a. movement of molecules across a membrane under fluid pressure. b. movement of water molecules from an area of higher concentration to an area of lower concentration. c. movement of molecules down the concentration gradient that employs a protein carrier d. movement of molecules up the concentration gradient using ATP e. the process by which neutrophils move bacteria across the membrane

20. Osmosis is a. movement of molecules across a membrane under fluid pressure. b. movement of water molecules from an area of higher concentration to an area of lower concentration. c. movement of molecules down the concentration gradient that employs a protein carrier d. movement of molecules up the concentration gradient using ATP e. the process by which neutrophils move bacteria across the membrane

21. Which of the following is an example of secondary active transport?
a. Glucose is transported down its concentration gradient
b. Sodium moves through a channel by