Practice Exam This is a practice exam. It is to give you an idea of the format and what types of questions may be asked. The answers are provided in a separate document. 1. The median plane is the same as the_______.

A. transverse plane B. midsagittal plane C. oblique plane D. sagittal plane

2. Which system of the body is responsible for fighting infections?

A. cardiovascular system B. immune system C. endocrine system D. skeletal system

3. The chin is ______ to the pelvic region.

A. inferior B. distal C. medial D. superior E. proximal

4. Both smooth endoplasmic reticulum (smooth ER) and rough endoplasmic reticulum (rough

ER) _________. A. lack a plasma membrane B. are composed of contractile proteins C. generate ATP for the cell D. participate in protein synthesis

5. The "packaging and shipping" of the cell's manufacturing plant is handled by ________.

A. the Golgi apparatus B. smooth ER C. ribosomes D. the nucleus

6. Integral membrane proteins __________.

A. are loosely associated with the plasma membrane and can be easily shed from the cell if necessary.

B. comprise only a small fraction of the plasma membrane by weight C. provide a network of proteins within the cytoplasm D. can interact with proteins found both on the outside and inside the cell

7. Which organelle contains DNA's genetic code?

A. the peroxisome B. the nucleus C. the ribosome D. the endoplasmic reticulum

8. Which of the following are characteristic shapes of epithelial tissues? A. apical, stratified, and basal B. star-shaped, transitional, and pseudostratified C. stratified, simple, and squamous D. columnar, cuboidal, and squamous

9. The role of gap junctions is ______.

A. preventing molecules from passing between cells B. intercellular communication C. attaching actin microfilaments to bind adjacent cells D. None of these choices is correct

10. The cell type that produces all the fiber types of areolar connective tissue is a ________.

A. macrophage B. fibroblast C. chondrocyte D. plasma cell

11. The tissue that stores calcium and is also the site of blood cell formation is ________tissue. 12. ____________are specialized cells that conduct electrical signals from the spinal cord to

effectors (e.g., muscles). A. sensory neurons B. motor neurons C. interneurons D. astrocytes

13. What is TRUE of the epidermal cell layer found exposed to the air?

A. It contains Merkel cells. B. Mitosis occurs at a faster rate here than in deeper cells. C. This layer contains areolar connective tissue. D. This layer contains blood vessels. E. They are dead.

14. Which type of cell is found in all layers of the epidermis?

A. hemoglobin cells B. melanocytes C. keratinocytes D. merkel cells E. langerhans cells

15. Melanocytes ______

A. are one cell type that produces antibiotics that detoxify harmful chemicals. B. respond to UV radiation by increasing production of melanin. C. are NOT present in the epidermis of light-skinned individuals. D. are located only in the stratum spinosum. E. are the only epidermal cells that contain melanin.

16. The separation of the epidermis from the dermis by a fluid-filled pocket due to short-term and frequent friction is a _______________. A. callus B. water blister C. pemphigus vulgaris D. decubitus ulcer

17. What extracellular component gives connective tissue tensile strength? A. elastin fibers B. keratin filaments C. collagen fibers D. proteoglycans

18. What type of tissue insulates, provides fuel reserve, and protects organs? A. adipose tissue B. dense irregular connective tissue C. hyaline cartilage D. keratinized stratified squamous epithelium

Using the figures below identify the indicated layers of specific serosae. 19. Visceral peritoneum 20. Parietal peritoneum 21. Pleura 22. Pericardium